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93 lines
3.8 KiB
Markdown
93 lines
3.8 KiB
Markdown
# Filebeat setup
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Specify [`output.elasicsearch`](https://www.elastic.co/guide/en/beats/filebeat/current/elasticsearch-output.html) section in the `filebeat.yml`
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for sending the collected logs to [VictoriaLogs](https://docs.victoriametrics.com/VictoriaLogs/):
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```yml
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output.elasticsearch:
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hosts: ["http://localhost:9428/insert/elasticsearch/"]
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parameters:
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_msg_field: "message"
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_time_field: "@timestamp"
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_stream_fields: "host.hostname,log.file.path"
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```
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Substitute the `localhost:9428` address inside `hosts` section with the real TCP address of VictoriaLogs.
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See [these docs](https://docs.victoriametrics.com/VictoriaLogs/data-ingestion/#http-parameters) for details on the `parameters` section.
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It is recommended verifying whether the initial setup generates the needed [log fields](https://docs.victoriametrics.com/VictoriaLogs/keyConcepts.html#data-model)
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and uses the correct [stream fields](https://docs.victoriametrics.com/VictoriaLogs/keyConcepts.html#stream-fields).
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This can be done by specifying `debug` [parameter](https://docs.victoriametrics.com/VictoriaLogs/data-ingestion/#http-parameters)
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and inspecting VictoriaLogs logs then:
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```yml
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output.elasticsearch:
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hosts: ["http://localhost:9428/insert/elasticsearch/"]
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parameters:
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_msg_field: "message"
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_time_field: "@timestamp"
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_stream_fields: "host.hostname,log.file.path"
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debug: "1"
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```
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If some [log fields](https://docs.victoriametrics.com/VictoriaLogs/keyConcepts.html#data-model) must be skipped
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during data ingestion, then they can be put into `ignore_fields` [parameter](https://docs.victoriametrics.com/VictoriaLogs/data-ingestion/#http-parameters).
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For example, the following config instructs VictoriaLogs to ignore `log.offset` and `event.original` fields in the ingested logs:
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```yml
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output.elasticsearch:
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hosts: ["http://localhost:9428/insert/elasticsearch/"]
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parameters:
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_msg_field: "message"
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_time_field: "@timestamp"
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_stream_fields: "host.name,log.file.path"
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ignore_fields: "log.offset,event.original"
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```
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When Filebeat ingests logs into VictoriaLogs at a high rate, then it may be needed to tune `worker` and `bulk_max_size` options.
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For example, the following config is optimized for higher than usual ingestion rate:
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```yml
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output.elasticsearch:
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hosts: ["http://localhost:9428/insert/elasticsearch/"]
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parameters:
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_msg_field: "message"
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_time_field: "@timestamp"
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_stream_fields: "host.name,log.file.path"
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worker: 8
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bulk_max_size: 1000
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```
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If the Filebeat sends logs to VictoriaLogs in another datacenter, then it may be useful enabling data compression via `compression_level` option.
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This usually allows saving network bandwidth and costs by up to 5 times:
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```yml
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output.elasticsearch:
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hosts: ["http://localhost:9428/insert/elasticsearch/"]
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parameters:
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_msg_field: "message"
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_time_field: "@timestamp"
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_stream_fields: "host.name,log.file.path"
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compression_level: 1
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```
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By default the ingested logs are stored in the `(AccountID=0, ProjectID=0)` [tenant](https://docs.victoriametrics.com/VictoriaLogs/#multitenancy).
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If you need storing logs in other tenant, then specify the needed tenant via `headers` at `output.elasticsearch` section.
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For example, the following `filebeat.yml` config instructs Filebeat to store the data to `(AccountID=12, ProjectID=34)` tenant:
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```yml
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output.elasticsearch:
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hosts: ["http://localhost:9428/insert/elasticsearch/"]
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headers:
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AccountID: 12
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ProjectID: 34
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parameters:
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_msg_field: "message"
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_time_field: "@timestamp"
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_stream_fields: "host.name,log.file.path"
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```
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The ingested log entries can be queried according to [these docs](https://docs.victoriametrics.com/VictoriaLogs/querying/).
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See also [data ingestion troubleshooting](https://docs.victoriametrics.com/VictoriaLogs/data-ingestion/#troubleshooting) docs.
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