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cd9826d3dd
- Make more clear the docs at docs/enterprise.md, so readers could figure out faster on how to obtain enterprise key and how to pass it to VictoriaMetrics Enterprise components. - Fix examples at docs/enterprise.md, which were referring to non-existing `-license-file` command-line flag. The `-licenseFile` command-line flag must be used instead. - Improve the description of `-license*` command-line flags, so users could understand faster how to use them. - Improve the warning message, which is emitted when the deprecated -eula command-line flag is passed, so the user could figure out how to switch faster to -license* command-line flags. - Disallow running VictoriaMetrics components with both -license and -licenseFile command-line flags. - Disallow running VictoriaMetrics components when -licensFile points to an empty file. - Consistently use the phrase "This flag is available only in Enterprise binaries" across all the enterprise-specific command-line flags. - Remove unneeded level of indirection for `noLicenseMessage` and `expiredMessage` string contants in order to improve code readability and maintainability. - Remove unneded `return` statements after `logger.Fatalf()` calls, since these calls exit the app and never return. - Make sure that the info log message about successful license verification is emitted when the license is verified successfully. Previously the error message could be logged when the license payload is invalid or if it misses some required features.
536 lines
30 KiB
Markdown
536 lines
30 KiB
Markdown
# vmbackupmanager
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***vmbackupmanager is a part of [enterprise package](https://docs.victoriametrics.com/enterprise.html). It is available for download and evaluation at [releases page](https://github.com/VictoriaMetrics/VictoriaMetrics/releases)***
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The VictoriaMetrics backup manager automates regular backup procedures. It supports the following backup intervals: **hourly**, **daily**, **weekly** and **monthly**.
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Multiple backup intervals may be configured simultaneously. I.e. the backup manager creates hourly backups every hour, while it creates daily backups every day, etc.
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Backup manager must have read access to the storage data, so best practice is to install it on the same machine (or as a sidecar) where the storage node is installed.
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The backup service makes a backup every hour and puts it to the latest folder and then copies data to the folders
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which represent the backup intervals (hourly, daily, weekly and monthly)
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The required flags for running the service are as follows:
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* -eula - should be true and means that you have the legal right to run a backup manager. That can either be a signed contract or an email
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with confirmation to run the service in a trial period.
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* -storageDataPath - path to VictoriaMetrics or vmstorage data path to make backup from.
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* -snapshot.createURL - VictoriaMetrics creates snapshot URL which will automatically be created during backup. Example: <http://victoriametrics:8428/snapshot/create>
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* -dst - backup destination at [the supported storage types](https://docs.victoriametrics.com/vmbackup.html#supported-storage-types).
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* -credsFilePath - path to file with GCS or S3 credentials. Credentials are loaded from default locations if not set.
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See [https://cloud.google.com/iam/docs/creating-managing-service-account-keys](https://cloud.google.com/iam/docs/creating-managing-service-account-keys)
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and [https://docs.aws.amazon.com/general/latest/gr/aws-security-credentials.html](https://docs.aws.amazon.com/general/latest/gr/aws-security-credentials.html).
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Backup schedule is controlled by the following flags:
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* -disableHourly - disable hourly run. Default false
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* -disableDaily - disable daily run. Default false
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* -disableWeekly - disable weekly run. Default false
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* -disableMonthly - disable monthly run. Default false
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By default, all flags are turned on and Backup Manager backups data every hour for every interval (hourly, daily, weekly and monthly).
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The backup manager creates the following directory hierarchy at **-dst**:
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* /latest/ - contains the latest backup
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* /hourly/ - contains hourly backups. Each backup is named as *YYYY-MM-DD:HH*
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* /daily/ - contains daily backups. Each backup is named as *YYYY-MM-DD*
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* /weekly/ - contains weekly backups. Each backup is named as *YYYY-WW*
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* /monthly/ - contains monthly backups. Each backup is named as *YYYY-MM*
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To get the full list of supported flags please run the following command:
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```console
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./vmbackupmanager --help
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```
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The service creates a **full** backup each run. This means that the system can be restored fully
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from any particular backup using [vmrestore](https://docs.victoriametrics.com/vmrestore.html).
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Backup manager uploads only the data that has been changed or created since the most recent backup (incremental backup).
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This reduces the consumed network traffic and the time needed for performing the backup.
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See [this article](https://medium.com/@valyala/speeding-up-backups-for-big-time-series-databases-533c1a927883) for details.
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*Please take into account that the first backup upload could take a significant amount of time as it needs to upload all the data.*
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There are two flags which could help with performance tuning:
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* -maxBytesPerSecond - the maximum upload speed. There is no limit if it is set to 0
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* -concurrency - The number of concurrent workers. Higher concurrency may improve upload speed (default 10)
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## Example of Usage
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GCS and cluster version. You need to have a credentials file in json format with following structure:
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credentials.json
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```json
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{
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"type": "service_account",
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"project_id": "<project>",
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"private_key_id": "",
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"private_key": "-----BEGIN PRIVATE KEY-----\-----END PRIVATE KEY-----\n",
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"client_email": "test@<project>.iam.gserviceaccount.com",
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"client_id": "",
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"auth_uri": "https://accounts.google.com/o/oauth2/auth",
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"token_uri": "https://oauth2.googleapis.com/token",
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"auth_provider_x509_cert_url": "https://www.googleapis.com/oauth2/v1/certs",
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"client_x509_cert_url": "https://www.googleapis.com/robot/v1/metadata/x509/test%40<project>.iam.gserviceaccount.com"
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}
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```
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Backup manager launched with the following configuration:
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```console
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export NODE_IP=192.168.0.10
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export VMSTORAGE_ENDPOINT=http://127.0.0.1:8428
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./vmbackupmanager -dst=gs://vmstorage-data/$NODE_IP -credsFilePath=credentials.json -storageDataPath=/vmstorage-data -snapshot.createURL=$VMSTORAGE_ENDPOINT/snapshot/create -eula
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```
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Expected logs in vmbackupmanager:
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```console
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info lib/backup/actions/backup.go:131 server-side copied 81 out of 81 parts from GCS{bucket: "vmstorage-data", dir: "192.168.0.10//latest/"} to GCS{bucket: "vmstorage-data", dir: "192.168.0.10//weekly/2020-34/"} in 2.549833008s
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info lib/backup/actions/backup.go:169 backed up 853315 bytes in 2.882 seconds; deleted 0 bytes; server-side copied 853315 bytes; uploaded 0 bytes
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```
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Expected logs in vmstorage:
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```console
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info VictoriaMetrics/lib/storage/table.go:146 creating table snapshot of "/vmstorage-data/data"...
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info VictoriaMetrics/lib/storage/storage.go:311 deleting snapshot "/vmstorage-data/snapshots/20200818201959-162C760149895DDA"...
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info VictoriaMetrics/lib/storage/storage.go:319 deleted snapshot "/vmstorage-data/snapshots/20200818201959-162C760149895DDA" in 0.169 seconds
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```
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The result on the GCS bucket
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* The root folder
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<img alt="root folder" src="vmbackupmanager_root_folder.png">
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* The latest folder
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<img alt="latest folder" src="vmbackupmanager_latest_folder.png">
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## Backup Retention Policy
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Backup retention policy is controlled by:
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* -keepLastHourly - keep the last N hourly backups. Disabled by default
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* -keepLastDaily - keep the last N daily backups. Disabled by default
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* -keepLastWeekly - keep the last N weekly backups. Disabled by default
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* -keepLastMonthly - keep the last N monthly backups. Disabled by default
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*Note*: 0 value in every keepLast flag results into deletion ALL backups for particular type (hourly, daily, weekly and monthly)
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Let’s assume we have a backup manager collecting daily backups for the past 10 days.
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<img alt="retention policy daily before retention cycle" src="vmbackupmanager_rp_daily_1.png">
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We enable backup retention policy for backup manager by using following configuration:
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```console
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export NODE_IP=192.168.0.10
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export VMSTORAGE_ENDPOINT=http://127.0.0.1:8428
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./vmbackupmanager -dst=gs://vmstorage-data/$NODE_IP -credsFilePath=credentials.json -storageDataPath=/vmstorage-data -snapshot.createURL=$VMSTORAGE_ENDPOINT/snapshot/create
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-keepLastDaily=3 -eula
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```
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Expected logs in backup manager on start:
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```console
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info lib/logger/flag.go:20 flag "keepLastDaily" = "3"
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```
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Expected logs in backup manager during retention cycle:
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```console
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info app/vmbackupmanager/retention.go:106 daily backups to delete [daily/2021-02-13 daily/2021-02-12 daily/2021-02-11 daily/2021-02-10 daily/2021-02-09 daily/2021-02-08 daily/2021-02-07]
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```
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The result on the GCS bucket. We see only 3 daily backups:
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<img alt="retention policy daily after retention cycle" src="vmbackupmanager_rp_daily_2.png">
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### Protection backups against deletion by retention policy
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You can protect any backup against deletion by retention policy with the `vmbackupmanager backups lock` command.
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For instance:
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```console
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./vmbackupmanager backup lock daily/2021-02-13 -dst=<DST_PATH> -storageDataPath=/vmstorage-data -eula
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```
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After that the backup won't be deleted by retention policy.
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You can view the `locked` attribute in backup list:
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```console
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./vmbackupmanager backup list -dst=<DST_PATH> -storageDataPath=/vmstorage-data -eula
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```
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To remove protection, you can use the command `vmbackupmanager backups unlock`.
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For example:
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```console
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./vmbackupmanager backup unlock daily/2021-02-13 -dst=<DST_PATH> -storageDataPath=/vmstorage-data -eula
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```
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## API methods
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`vmbackupmanager` exposes the following API methods:
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* GET `/api/v1/backups` - returns list of backups in remote storage.
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Example output:
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```json
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[{"name":"daily/2023-04-07","size_bytes":318837,"size":"311.4ki","created_at":"2023-04-07T16:15:07+00:00"},{"name":"hourly/2023-04-07:11","size_bytes":318837,"size":"311.4ki","created_at":"2023-04-07T16:15:06+00:00"},{"name":"latest","size_bytes":318837,"size":"311.4ki","created_at":"2023-04-07T16:15:04+00:00"},{"name":"monthly/2023-04","size_bytes":318837,"size":"311.4ki","created_at":"2023-04-07T16:15:10+00:00"},{"name":"weekly/2023-14","size_bytes":318837,"size":"311.4ki","created_at":"2023-04-07T16:15:09+00:00"}]
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```
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> Note: `created_at` field is in RFC3339 format.
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* GET `/api/v1/backups/<BACKUP_NAME>` - returns backup info by name.
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Example output:
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```json
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{"name":"daily/2023-04-07","size_bytes":318837,"size":"311.4ki","created_at":"2023-04-07T16:15:07+00:00","locked":true}
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```
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* PUT `/api/v1/backups/<BACKUP_NAME>` - update "locked" attribute for backup by name.
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Example request body:
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```json
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{"locked":true}
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```
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Example response:
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```json
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{"name":"daily/2023-04-07","size_bytes":318837,"size":"311.4ki","created_at":"2023-04-07T16:15:07+00:00", "locked": true}
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```
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* POST `/api/v1/restore` - saves backup name to restore when [performing restore](#restore-commands).
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Example request body:
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```json
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{"backup":"daily/2022-10-06"}
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```
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* GET `/api/v1/restore` - returns backup name from restore mark if it exists.
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Example response:
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```json
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{"backup":"daily/2022-10-06"}
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```
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* DELETE `/api/v1/restore` - delete restore mark.
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## CLI
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`vmbackupmanager` exposes CLI commands to work with [API methods](#api-methods) without external dependencies.
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Supported commands:
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```console
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vmbackupmanager backup
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vmbackupmanager backup list
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List backups in remote storage
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vmbackupmanager backup lock
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Locks backup in remote storage against deletion
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vmbackupmanager backup unlock
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Unlocks backup in remote storage for deletion
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vmbackupmanager restore
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Restore backup specified by restore mark if it exists
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vmbackupmanager restore get
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Get restore mark if it exists
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vmbackupmanager restore delete
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Delete restore mark if it exists
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vmbackupmanager restore create [backup_name]
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Create restore mark
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```
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By default, CLI commands are using `http://127.0.0.1:8300` endpoint to reach `vmbackupmanager` API.
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It can be changed by using flag:
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```
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-apiURL string
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vmbackupmanager address to perform API requests (default "http://127.0.0.1:8300")
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```
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### Backup commands
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`vmbackupmanager backup list` lists backups in remote storage:
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```console
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$ ./vmbackupmanager backup list
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[{"name":"daily/2023-04-07","size_bytes":318837,"size":"311.4ki","created_at":"2023-04-07T16:15:07+00:00"},{"name":"hourly/2023-04-07:11","size_bytes":318837,"size":"311.4ki","created_at":"2023-04-07T16:15:06+00:00"},{"name":"latest","size_bytes":318837,"size":"311.4ki","created_at":"2023-04-07T16:15:04+00:00"},{"name":"monthly/2023-04","size_bytes":318837,"size":"311.4ki","created_at":"2023-04-07T16:15:10+00:00"},{"name":"weekly/2023-14","size_bytes":318837,"size":"311.4ki","created_at":"2023-04-07T16:15:09+00:00"}]
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```
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### Restore commands
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Restore commands are used to create, get and delete restore mark.
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Restore mark is used by `vmbackupmanager` to store backup name to restore when running restore.
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Create restore mark:
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```console
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$ ./vmbackupmanager restore create daily/2022-10-06
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```
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Get restore mark if it exists:
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```console
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$ ./vmbackupmanager restore get
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{"backup":"daily/2022-10-06"}
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```
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Delete restore mark if it exists:
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```console
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$ ./vmbackupmanager restore delete
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```
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Perform restore:
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```console
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$ /vmbackupmanager-prod restore -dst=gs://vmstorage-data/$NODE_IP -credsFilePath=credentials.json -storageDataPath=/vmstorage-data
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```
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Note that `vmsingle` or `vmstorage` should be stopped before performing restore.
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If restore mark doesn't exist at `storageDataPath`(restore wasn't requested) `vmbackupmanager restore` will exit with successful status code.
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### How to restore backup via CLI
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1. Run `vmbackupmanager backup list` to get list of available backups:
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```console
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$ /vmbackupmanager-prod backup list
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[{"name":"daily/2023-04-07","size_bytes":318837,"size":"311.4ki","created_at":"2023-04-07T16:15:07+00:00"},{"name":"hourly/2023-04-07:11","size_bytes":318837,"size":"311.4ki","created_at":"2023-04-07T16:15:06+00:00"},{"name":"latest","size_bytes":318837,"size":"311.4ki","created_at":"2023-04-07T16:15:04+00:00"},{"name":"monthly/2023-04","size_bytes":318837,"size":"311.4ki","created_at":"2023-04-07T16:15:10+00:00"},{"name":"weekly/2023-14","size_bytes":318837,"size":"311.4ki","created_at":"2023-04-07T16:15:09+00:00"}]
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```
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1. Run `vmbackupmanager restore create` to create restore mark:
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- Use relative path to backup to restore from currently used remote storage:
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```console
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$ /vmbackupmanager-prod restore create daily/2023-04-07
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```
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- Use full path to backup to restore from any remote storage:
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```console
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$ /vmbackupmanager-prod restore create azblob://test1/vmbackupmanager/daily/2023-04-07
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```
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1. Stop `vmstorage` or `vmsingle` node
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1. Run `vmbackupmanager restore` to restore backup:
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```console
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$ /vmbackupmanager-prod restore -credsFilePath=credentials.json -storageDataPath=/vmstorage-data
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```
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1. Start `vmstorage` or `vmsingle` node
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### How to restore in Kubernetes
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1. Ensure there is an init container with `vmbackupmanager restore` in `vmstorage` or `vmsingle` pod.
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For [VictoriaMetrics operator](https://docs.victoriametrics.com/operator/VictoriaMetrics-Operator.html) deployments it is required to add:
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```yaml
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vmbackup:
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restore:
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onStart:
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enabled: "true"
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```
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See operator `VMStorage` schema [here](https://docs.victoriametrics.com/operator/api.html#vmstorage) and `VMSingle` [here](https://docs.victoriametrics.com/operator/api.html#vmsinglespec).
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1. Enter container running `vmbackupmanager`
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1. Use `vmbackupmanager backup list` to get list of available backups:
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```console
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$ /vmbackupmanager-prod backup list
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[{"name":"daily/2023-04-07","size_bytes":318837,"size":"311.4ki","created_at":"2023-04-07T16:15:07+00:00"},{"name":"hourly/2023-04-07:11","size_bytes":318837,"size":"311.4ki","created_at":"2023-04-07T16:15:06+00:00"},{"name":"latest","size_bytes":318837,"size":"311.4ki","created_at":"2023-04-07T16:15:04+00:00"},{"name":"monthly/2023-04","size_bytes":318837,"size":"311.4ki","created_at":"2023-04-07T16:15:10+00:00"},{"name":"weekly/2023-14","size_bytes":318837,"size":"311.4ki","created_at":"2023-04-07T16:15:09+00:00"}]
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```
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1. Use `vmbackupmanager restore create` to create restore mark:
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- Use relative path to backup to restore from currently used remote storage:
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```console
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$ /vmbackupmanager-prod restore create daily/2023-04-07
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```
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- Use full path to backup to restore from any remote storage:
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```console
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$ /vmbackupmanager-prod restore create azblob://test1/vmbackupmanager/daily/2023-04-07
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```
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1. Restart pod
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#### Restore cluster into another cluster
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These steps are assuming that [VictoriaMetrics operator](https://docs.victoriametrics.com/operator/VictoriaMetrics-Operator.html) is used to manage `VMCluster`.
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Clusters here are referred to as `source` and `destination`.
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1. Create a new cluster with access to *source* cluster `vmbackupmanager` storage and same number of storage nodes.
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Add the following section in order to enable restore on start (operator `VMStorage` schema can be found [here](https://docs.victoriametrics.com/operator/api.html#vmstorage):
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```yaml
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vmbackup:
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restore:
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onStart:
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enabled: "true"
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```
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Note: it is safe to leave this section in the cluster configuration, since it will be ignored if restore mark doesn't exist.
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> Important! Use different `-dst` for *destination* cluster to avoid overwriting backup data of the *source* cluster.
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1. Enter container running `vmbackupmanager` in *source* cluster
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1. Use `vmbackupmanager backup list` to get list of available backups:
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```console
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$ /vmbackupmanager-prod backup list
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[{"name":"daily/2023-04-07","size_bytes":318837,"size":"311.4ki","created_at":"2023-04-07T16:15:07+00:00"},{"name":"hourly/2023-04-07:11","size_bytes":318837,"size":"311.4ki","created_at":"2023-04-07T16:15:06+00:00"},{"name":"latest","size_bytes":318837,"size":"311.4ki","created_at":"2023-04-07T16:15:04+00:00"},{"name":"monthly/2023-04","size_bytes":318837,"size":"311.4ki","created_at":"2023-04-07T16:15:10+00:00"},{"name":"weekly/2023-14","size_bytes":318837,"size":"311.4ki","created_at":"2023-04-07T16:15:09+00:00"}]
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```
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1. Use `vmbackupmanager restore create` to create restore mark at each pod of the *destination* cluster.
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Each pod in *destination* cluster should be restored from backup of respective pod in *source* cluster.
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For example: `vmstorage-source-0` in *source* cluster should be restored from `vmstorage-destination-0` in *destination* cluster.
|
||
```console
|
||
$ /vmbackupmanager-prod restore create s3://source_cluster/vmstorage-source-0/daily/2023-04-07
|
||
```
|
||
|
||
## Monitoring
|
||
|
||
`vmbackupmanager` exports various metrics in Prometheus exposition format at `http://vmbackupmanager:8300/metrics` page. It is recommended setting up regular scraping of this page
|
||
either via [vmagent](https://docs.victoriametrics.com/vmagent.html) or via Prometheus, so the exported metrics could be analyzed later.
|
||
|
||
Use the official [Grafana dashboard](https://grafana.com/grafana/dashboards/17798-victoriametrics-backupmanager/) for `vmbackupmanager` overview.
|
||
Graphs on this dashboard contain useful hints - hover the `i` icon in the top left corner of each graph in order to read it.
|
||
If you have suggestions for improvements or have found a bug - please open an issue on github or add
|
||
a review to the dashboard.
|
||
|
||
## Configuration
|
||
|
||
### Flags
|
||
|
||
Pass `-help` to `vmbackupmanager` in order to see the full list of supported
|
||
command-line flags with their descriptions.
|
||
|
||
The shortlist of configuration flags is the following:
|
||
|
||
```
|
||
vmbackupmanager performs regular backups according to the provided configs.
|
||
|
||
subcommands:
|
||
backup: provides auxiliary backup-related commands
|
||
restore: restores backup specified by restore mark if it exists
|
||
|
||
command-line flags:
|
||
-apiURL string
|
||
vmbackupmanager address to perform API requests (default "http://127.0.0.1:8300")
|
||
-concurrency int
|
||
The number of concurrent workers. Higher concurrency may reduce backup duration (default 10)
|
||
-configFilePath string
|
||
Path to file with S3 configs. Configs are loaded from default location if not set.
|
||
See https://docs.aws.amazon.com/general/latest/gr/aws-security-credentials.html
|
||
-configProfile string
|
||
Profile name for S3 configs. If no set, the value of the environment variable will be loaded (AWS_PROFILE or AWS_DEFAULT_PROFILE), or if both not set, DefaultSharedConfigProfile is used
|
||
-credsFilePath string
|
||
Path to file with GCS or S3 credentials. Credentials are loaded from default locations if not set.
|
||
See https://cloud.google.com/iam/docs/creating-managing-service-account-keys and https://docs.aws.amazon.com/general/latest/gr/aws-security-credentials.html
|
||
-customS3Endpoint string
|
||
Custom S3 endpoint for use with S3-compatible storages (e.g. MinIO). S3 is used if not set
|
||
-disableDaily
|
||
Disable daily run. Default false
|
||
-disableHourly
|
||
Disable hourly run. Default false
|
||
-disableMonthly
|
||
Disable monthly run. Default false
|
||
-disableWeekly
|
||
Disable weekly run. Default false
|
||
-dst string
|
||
The root folder of Victoria Metrics backups. Example: gs://bucket/path/to/backup/dir, s3://bucket/path/to/backup/dir or fs:///path/to/local/backup/dir
|
||
-enableTCP6
|
||
Whether to enable IPv6 for listening and dialing. By default, only IPv4 TCP and UDP are used
|
||
-envflag.enable
|
||
Whether to enable reading flags from environment variables in addition to the command line. Command line flag values have priority over values from environment vars. Flags are read only from the command line if this flag isn't set. See https://docs.victoriametrics.com/#environment-variables for more details
|
||
-envflag.prefix string
|
||
Prefix for environment variables if -envflag.enable is set
|
||
-eula
|
||
Deprecated, please use -license or -licenseFile flags instead. By specifying this flag, you confirm that you have an enterprise license and accept the ESA https://victoriametrics.com/legal/esa/ . This flag is available only in Enterprise binaries. See https://docs.victoriametrics.com/enterprise.html
|
||
-flagsAuthKey string
|
||
Auth key for /flags endpoint. It must be passed via authKey query arg. It overrides httpAuth.* settings
|
||
-fs.disableMmap
|
||
Whether to use pread() instead of mmap() for reading data files. By default, mmap() is used for 64-bit arches and pread() is used for 32-bit arches, since they cannot read data files bigger than 2^32 bytes in memory. mmap() is usually faster for reading small data chunks than pread()
|
||
-http.connTimeout duration
|
||
Incoming http connections are closed after the configured timeout. This may help to spread the incoming load among a cluster of services behind a load balancer. Please note that the real timeout may be bigger by up to 10% as a protection against the thundering herd problem (default 2m0s)
|
||
-http.disableResponseCompression
|
||
Disable compression of HTTP responses to save CPU resources. By default, compression is enabled to save network bandwidth
|
||
-http.idleConnTimeout duration
|
||
Timeout for incoming idle http connections (default 1m0s)
|
||
-http.maxGracefulShutdownDuration duration
|
||
The maximum duration for a graceful shutdown of the HTTP server. A highly loaded server may require increased value for a graceful shutdown (default 7s)
|
||
-http.pathPrefix string
|
||
An optional prefix to add to all the paths handled by http server. For example, if '-http.pathPrefix=/foo/bar' is set, then all the http requests will be handled on '/foo/bar/*' paths. This may be useful for proxied requests. See https://www.robustperception.io/using-external-urls-and-proxies-with-prometheus
|
||
-http.shutdownDelay duration
|
||
Optional delay before http server shutdown. During this delay, the server returns non-OK responses from /health page, so load balancers can route new requests to other servers
|
||
-httpAuth.password string
|
||
Password for HTTP server's Basic Auth. The authentication is disabled if -httpAuth.username is empty
|
||
-httpAuth.username string
|
||
Username for HTTP server's Basic Auth. The authentication is disabled if empty. See also -httpAuth.password
|
||
-httpListenAddr string
|
||
Address to listen for http connections (default ":8300")
|
||
-internStringCacheExpireDuration duration
|
||
The expiry duration for caches for interned strings. See https://en.wikipedia.org/wiki/String_interning . See also -internStringMaxLen and -internStringDisableCache (default 6m0s)
|
||
-internStringDisableCache
|
||
Whether to disable caches for interned strings. This may reduce memory usage at the cost of higher CPU usage. See https://en.wikipedia.org/wiki/String_interning . See also -internStringCacheExpireDuration and -internStringMaxLen
|
||
-internStringMaxLen int
|
||
The maximum length for strings to intern. A lower limit may save memory at the cost of higher CPU usage. See https://en.wikipedia.org/wiki/String_interning . See also -internStringDisableCache and -internStringCacheExpireDuration (default 500)
|
||
-keepLastDaily int
|
||
Keep last N daily backups. If 0 is specified next retention cycle removes all backups for given time period. (default -1)
|
||
-keepLastHourly int
|
||
Keep last N hourly backups. If 0 is specified next retention cycle removes all backups for given time period. (default -1)
|
||
-keepLastMonthly int
|
||
Keep last N monthly backups. If 0 is specified next retention cycle removes all backups for given time period. (default -1)
|
||
-keepLastWeekly int
|
||
Keep last N weekly backups. If 0 is specified next retention cycle removes all backups for given time period. (default -1)
|
||
-license string
|
||
Lisense key for VictoriaMetrics Enterprise. See https://victoriametrics.com/products/enterprise/ . Trial Enterprise license can be obtained from https://victoriametrics.com/products/enterprise/trial/ . This flag is available only in Enterprise binaries. The license key can be also passed via file specified by -licenseFile command-line flag
|
||
-license.forceOffline
|
||
Whether to enable offline verification for VictoriaMetrics Enterprise license key, which has been passed either via -license or via -licenseFile command-line flag. The issued license key must support offline verification feature. Contact info@victoriametrics.com if you need offline license verification. This flag is avilable only in Enterprise binaries
|
||
-licenseFile string
|
||
Path to file with license key for VictoriaMetrics Enterprise. See https://victoriametrics.com/products/enterprise/ . Trial Enterprise license can be obtained from https://victoriametrics.com/products/enterprise/trial/ . This flag is available only in Enterprise binaries. The license key can be also passed inline via -license command-line flag
|
||
-loggerDisableTimestamps
|
||
Whether to disable writing timestamps in logs
|
||
-loggerErrorsPerSecondLimit int
|
||
Per-second limit on the number of ERROR messages. If more than the given number of errors are emitted per second, the remaining errors are suppressed. Zero values disable the rate limit
|
||
-loggerFormat string
|
||
Format for logs. Possible values: default, json (default "default")
|
||
-loggerJSONFields string
|
||
Allows renaming fields in JSON formatted logs. Example: "ts:timestamp,msg:message" renames "ts" to "timestamp" and "msg" to "message". Supported fields: ts, level, caller, msg
|
||
-loggerLevel string
|
||
Minimum level of errors to log. Possible values: INFO, WARN, ERROR, FATAL, PANIC (default "INFO")
|
||
-loggerOutput string
|
||
Output for the logs. Supported values: stderr, stdout (default "stderr")
|
||
-loggerTimezone string
|
||
Timezone to use for timestamps in logs. Timezone must be a valid IANA Time Zone. For example: America/New_York, Europe/Berlin, Etc/GMT+3 or Local (default "UTC")
|
||
-loggerWarnsPerSecondLimit int
|
||
Per-second limit on the number of WARN messages. If more than the given number of warns are emitted per second, then the remaining warns are suppressed. Zero values disable the rate limit
|
||
-maxBytesPerSecond int
|
||
The maximum upload speed. There is no limit if it is set to 0
|
||
-memory.allowedBytes size
|
||
Allowed size of system memory VictoriaMetrics caches may occupy. This option overrides -memory.allowedPercent if set to a non-zero value. Too low a value may increase the cache miss rate usually resulting in higher CPU and disk IO usage. Too high a value may evict too much data from the OS page cache resulting in higher disk IO usage
|
||
Supports the following optional suffixes for size values: KB, MB, GB, TB, KiB, MiB, GiB, TiB (default 0)
|
||
-memory.allowedPercent float
|
||
Allowed percent of system memory VictoriaMetrics caches may occupy. See also -memory.allowedBytes. Too low a value may increase cache miss rate usually resulting in higher CPU and disk IO usage. Too high a value may evict too much data from the OS page cache which will result in higher disk IO usage (default 60)
|
||
-metricsAuthKey string
|
||
Auth key for /metrics endpoint. It must be passed via authKey query arg. It overrides httpAuth.* settings
|
||
-pprofAuthKey string
|
||
Auth key for /debug/pprof/* endpoints. It must be passed via authKey query arg. It overrides httpAuth.* settings
|
||
-pushmetrics.extraLabel array
|
||
Optional labels to add to metrics pushed to -pushmetrics.url . For example, -pushmetrics.extraLabel='instance="foo"' adds instance="foo" label to all the metrics pushed to -pushmetrics.url
|
||
Supports an array of values separated by comma or specified via multiple flags.
|
||
-pushmetrics.interval duration
|
||
Interval for pushing metrics to -pushmetrics.url (default 10s)
|
||
-pushmetrics.url array
|
||
Optional URL to push metrics exposed at /metrics page. See https://docs.victoriametrics.com/#push-metrics . By default, metrics exposed at /metrics page aren't pushed to any remote storage
|
||
Supports an array of values separated by comma or specified via multiple flags.
|
||
-runOnStart
|
||
Upload backups immediately after start of the service. Otherwise the backup starts on new hour
|
||
-s3ForcePathStyle
|
||
Prefixing endpoint with bucket name when set false, true by default. (default true)
|
||
-s3StorageClass string
|
||
The Storage Class applied to objects uploaded to AWS S3. Supported values are: GLACIER, DEEP_ARCHIVE, GLACIER_IR, INTELLIGENT_TIERING, ONEZONE_IA, OUTPOSTS, REDUCED_REDUNDANCY, STANDARD, STANDARD_IA.
|
||
See https://docs.aws.amazon.com/AmazonS3/latest/userguide/storage-class-intro.html/
|
||
-snapshot.createURL string
|
||
VictoriaMetrics create snapshot url. When this is given a snapshot will automatically be created during backup.Example: http://victoriametrics:8428/snapshot/create
|
||
-snapshot.deleteURL string
|
||
VictoriaMetrics delete snapshot url. Optional. Will be generated from snapshot.createURL if not provided. All created snaphosts will be automatically deleted.Example: http://victoriametrics:8428/snapshot/delete
|
||
-storageDataPath string
|
||
Path to VictoriaMetrics data. Must match -storageDataPath from VictoriaMetrics or vmstorage (default "victoria-metrics-data")
|
||
-tls
|
||
Whether to enable TLS for incoming HTTP requests at -httpListenAddr (aka https). -tlsCertFile and -tlsKeyFile must be set if -tls is set
|
||
-tlsCertFile string
|
||
Path to file with TLS certificate if -tls is set. Prefer ECDSA certs instead of RSA certs as RSA certs are slower. The provided certificate file is automatically re-read every second, so it can be dynamically updated
|
||
-tlsCipherSuites array
|
||
Optional list of TLS cipher suites for incoming requests over HTTPS if -tls is set. See the list of supported cipher suites at https://pkg.go.dev/crypto/tls#pkg-constants
|
||
Supports an array of values separated by comma or specified via multiple flags.
|
||
-tlsKeyFile string
|
||
Path to file with TLS key if -tls is set. The provided key file is automatically re-read every second, so it can be dynamically updated
|
||
-tlsMinVersion string
|
||
Optional minimum TLS version to use for incoming requests over HTTPS if -tls is set. Supported values: TLS10, TLS11, TLS12, TLS13
|
||
-version
|
||
Show VictoriaMetrics version
|
||
```
|