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Author SHA1 Message Date
Aliaksandr Valialkin
819bb36852 app/vmselect/promql: estimate per-series scrape interval as 0.6 quantile for the first 100 intervals 
This should improve scrape interval estimation for tiem series with gaps.
 2019-12-02 13:43:04 +02:00
Aliaksandr Valialkin
1595dcd3d9 app/vminsert/influx: allow empty measurement in Influx line protocol 
In this case metric names are mapped directly from field names without any prefixes.
 2019-11-30 21:59:07 +02:00
Aliaksandr Valialkin
1e2019b1b6 app/vmselect/promql: fix corner case for increase over time series with gaps 
In this case `increase` could return invalid high value for the first point after the gap.
 2019-11-30 01:34:18 +02:00
Aliaksandr Valialkin
4c63caa37c deployment/docker/certs: update TLS certs source from alpine:3.9 to alpine:3.10 2019-11-29 19:55:36 +02:00
Aliaksandr Valialkin
7e734433a3 lib/backup: cosmetic fixes after #243 2019-11-29 18:07:41 +02:00
glebsam
4a192cb832 Add option to provide custom endpoint for S3, add option to specify S3 config profile (#243) 
* Add option to provide custom endpoint for S3 for use with s3-compatible storages, add option to specify S3 config profile

* make fmt
 2019-11-29 18:07:39 +02:00
Aliaksandr Valialkin
def9ccd360 app/vmselect/prometheus: consistently apply nocache arg to /api/v1/query the same way ast to /api/v1/query_range 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/241
 2019-11-26 22:55:50 +02:00
Aliaksandr Valialkin
e0ac068112 app/vmselect/prometheus: fix content-type for /api/v1/export responses 
The correct Content-Type should be `application/stream+json` instead of `application/json`
Thanks to Joshua Ryder for pointing to this.
 2019-11-26 17:44:27 +02:00
Aliaksandr Valialkin
28cc4c09b5 app/vmselect/promql: remove zero timeseries from prometheus_buckets output 2019-11-25 19:10:13 +02:00
Aliaksandr Valialkin
8811bec14e app/vmselect/prometheus: reduce default value for -search.latencyOffset from 60s to 30s 
30 seconds should be enough for almost all the cases
 2019-11-25 16:33:36 +02:00
Aliaksandr Valialkin
f7da9b2db2 app/vmselect/promql: allow nested parens 2019-11-25 16:13:33 +02:00
Aliaksandr Valialkin
d2619d6dce vendor: update github.com/VictoriaMetrics/metrics from v1.9.0 to v1.9.1 2019-11-25 15:22:50 +02:00
Aliaksandr Valialkin
f46fb6c740 app/vmselect/promql: re-use metrics.Histogram when calculating histogram function for each point on the graph 
This should reduce the amounts memory allocations
 2019-11-25 14:24:30 +02:00
Aliaksandr Valialkin
0f184affa7 app/vmselect/promql: optimize binary search over big number of samples during rollup calculations 2019-11-25 14:01:54 +02:00
Aliaksandr Valialkin
dbd07041ae app/vmselect/promql: adjust tests after the upgrade of github.com/VictoriaMetrics/metrics from v1.8.3 to v1.9.0 2019-11-25 13:44:08 +02:00
Aliaksandr Valialkin
8bb254d960 app/vmselect/promql: add histogram aggregate function, which is useful for building heatmaps from multiple time series 2019-11-24 00:04:15 +02:00
Aliaksandr Valialkin
414259f47b app/vmselect/promql: do not take into account buckets with negative counters in prometheus_buckets 2019-11-23 14:19:19 +02:00
Aliaksandr Valialkin
193d553f6d app/vmselect/promql: properly handle histogram_quantile(0, ...) with zero buckets 2019-11-23 14:02:25 +02:00
Aliaksandr Valialkin
f8298c7f13 app/vmselect: add vm_per_query_{rows,series}_processed_count histograms 2019-11-23 13:23:03 +02:00
Aliaksandr Valialkin
4d76977745 app/vmselect/promql: transparently apply prometheus_buckets in histogram_quantile 2019-11-23 11:49:16 +02:00
Aliaksandr Valialkin
5f6f03c692 app/vmselect/promql: add prometheus_buckets function for converting the upcoming histogram buckets from github.com/VictoriaMetrics/metrics to Prometheus-compatible buckets 2019-11-23 00:21:56 +02:00
Aliaksandr Valialkin
17d08c1fe0 app/vmselect: adjust end arg instead of adjusting start arg if start > end 
`start` arg has higher chances to be set properly comparing to `end` arg,
so it is expected that the `end` arg could be adjusted if it was set incorrectly.
 2019-11-22 16:12:53 +02:00
Aliaksandr Valialkin
216a260ced app/{vmbackup,vmrestore}: add -maxBytesPerSecond command-line flag for limiting the used network bandwidth during backup / restore 2019-11-19 20:32:43 +02:00
Aliaksandr Valialkin
5ae47e8940 app/vmselect/prometheus: properly adjust too big time time on /api/v1/query 
Too big `time` must be adjusted to `now()-queryOffset`.
 2019-11-19 00:42:07 +02:00
Aliaksandr Valialkin
77bb66a5be app/vmselect/promql: properly calculate integrate(q[d]) 2019-11-13 21:11:03 +02:00
Aliaksandr Valialkin
c33640664a app/vmselect/promql: use universal approach for determining maxByteSliceLen on 32-bit and 64-bit archs 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/235
 2019-11-13 20:26:07 +02:00
Aliaksandr Valialkin
d297b65089 lib/storage: add vm_cache_size_bytes{type="storage/hour_metric_ids"} metric 2019-11-13 20:26:05 +02:00
Aliaksandr Valialkin
494ad0fdb3 lib/storage: remove inmemory index for recent hour, since it uses too much memory 
Production workload shows that the index requires ~4Kb of RAM per active time series.
This is too much for high number of active time series, so let's delete this index.

Now the queries should fall back to the index for the current day instead of the index
for the recent hour. The query performance for the current day index should be good enough
given the 100M rows/sec scan speed per CPU core.
 2019-11-13 18:08:58 +02:00
Aliaksandr Valialkin
633dd81bb5 lib/storage: add -disableRecentHourIndex flag for disabling inmemory index for recent hour 
This may be useful for saving RAM on high number of time series aka high cardinality
 2019-11-13 15:10:12 +02:00
Aliaksandr Valialkin
f1620ba7c0 lib/storage: fix inmemory inverted index issues found in v1.29 
Issues fixed:
- Slow startup times. Now the index is loaded from cache during start.
- High memory usage related to superflouos index copies every 10 seconds.
 2019-11-13 13:35:38 +02:00
Aliaksandr Valialkin
87b39222be Revert "lib/fs: do not postpone directory removal on NFS error" 
This reverts commit 21aeb02b46649ac9906cb37733f7b155a77a0db9.
 2019-11-12 16:29:50 +02:00
Oleg Kovalov
74ba42d111 fix misspelled words (#229) 2019-11-12 00:18:24 +02:00
Aliaksandr Valialkin
c48e39eea9 lib/storage: add tests for dateMetricIDCache 2019-11-11 13:21:05 +02:00
Aliaksandr Valialkin
5f52eb7653 lib/fs: do not postpone directory removal on NFS error 
Continue trying to remove NFS directory on temporary errors for up to a minute.

The previous async removal process breaks in the following case during VictoriaMetrics start

- VictoriaMetrics opens index, finds incomplete merge transactions and starts replaying them.
- The transaction instructs removing old directories for parts, which were already merged into bigger part.
- VictoriaMetrics removes these directories, but their removal is delayed due to NFS errors.
- VictoriaMetrics scans partition directory after all the incomplete merge transactions are finished
  and finds directories, which should be removed, but weren't still removed due to NFS errors.
- VictoriaMetrics panics when it finds unexpected empty directory.

Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/162
 2019-11-10 13:27:16 +02:00
Aliaksandr Valialkin
9ea2bd822e lib/storage: implement per-day inverted index 2019-11-10 00:20:32 +02:00
Aliaksandr Valialkin
5d8de72414 app/vmrestore: the upcoming release would be 1.29.0 2019-11-10 00:20:18 +02:00
Aliaksandr Valialkin
dea2f3efed lib/storage: use specialized cache for (date, metricID) entries 
This improves ingestion performance.
 2019-11-09 23:09:18 +02:00
Aliaksandr Valialkin
46e67bb78c lib/storage: export vm_new_timeseries_created_total metric for determining time series churn rate 2019-11-08 19:58:21 +02:00
Aliaksandr Valialkin
0063c857f5 lib/storage: add inmemory inverted index for the last hour 
It should improve performance for `last N hours` dashboards with update intervals smaller than 1 hour.
 2019-11-08 19:37:46 +02:00
Aliaksandr Valialkin
33abbec6b4 app/vmselect/promql: adjust memory limits calculations for incremental aggregate functions 
Incremental aggregate functions don't keep all the selected time series in memory -
they keep only up to GOMAXPROCS time series for incremental aggregations.

Take into account that the number of time series in RAM can be higher if they are split
into many groups with `by (...)` or `without (...)` modifiers.

This should reduce the number of `not enough memory for processing ... data points` false
positive errors.
 2019-11-08 19:37:43 +02:00
Aliaksandr Valialkin
7d7fbf890e app/{vmbackup,vmrestore}: add vmbackup and vmrestore tools for creating backups on s3 or gcs from instant snapshots 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/203
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/38
 2019-11-07 21:26:43 +02:00
Aliaksandr Valialkin
1c777e0245 lib/storage: substitute error message about unsorted items in the index block after metricIDs merge with counter 
The origin of the error has been detected and documented in the code,
so it is enough to export a counter for such errors at `vm_index_blocks_with_metric_ids_incorrect_order_total`,
so it could be monitored and alerted on high error rates.

Export also the counter for processed index blocks with metricIDs - `vm_index_blocks_with_metric_ids_processed_total`,
so its' rate could be compared to `rate(vm_index_blocks_with_metric_ids_incorrect_order_total)`.
 2019-11-06 14:32:41 +02:00
Aliaksandr Valialkin
4a8251feff app/vmselect/promql: add lag(q[d]) function, which returns the lag between the current timestamp and the timstamp for the last data point in q 2019-11-01 12:21:43 +02:00
Aliaksandr Valialkin
6ab9c98a1e app/vmstorage: add -bigMergeConcurrency and -smallMergeConcurrency flags for tuning the maximum number of CPU cores used during merges 2019-10-31 16:17:29 +02:00
Aliaksandr Valialkin
4e6bf6f538 app/vmselect: add -search.latencyOffset flag for tuning the time after data collection when data points become visible in query results 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/218
 2019-10-28 12:32:36 +02:00
Aliaksandr Valialkin
78fc35c9b1 all: make fmt 2019-10-17 20:05:12 +03:00
Aliaksandr Valialkin
5b01b7fb01 all: add support for GOARCH=386 and fix all the issues related to 32-bit architectures such as GOARCH=arm 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/212
 2019-10-17 18:27:49 +03:00
Aliaksandr Valialkin
99786c2864 app/vmselect/prometheus: add -search.maxLookback command-line flag for overriding dynamic calculations for max lookback interval 
This flag is similar to `-search.lookback-delta` if set. The max lookback interval is determined dynamically
from interval between datapoints for each input time series if the flag isn't set.

The interval can be overriden on per-query basis by passing `max_lookback=<duration>` query arg to `/api/v1/query` and `/api/v1/query_range`.

Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/209
 2019-10-15 21:37:17 +03:00
Aliaksandr Valialkin
a5302a6651 app/vmselect/promql: take into account the previous point when calculating max_over_time and min_over_time 
This lines up with `first_over_time` function used in `rollup_candlestick`, so `rollup=low` always returns
the minimum value.

Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/204
 2019-10-08 12:30:16 +03:00
Aliaksandr Valialkin
483af3a97a app/vmselect/netstorage: hint the OS that tmpBlocksFile is read almost sequentially 
This became the case after b7ee2e7af2 .
 2019-09-30 00:13:33 +03:00
Aliaksandr Valialkin
946ca438a6 app/vmselect/netstorage: marshal block outside tmpBlocksFile.WriteBlock 
This also allows marshaling outside lock, thus reducing the amount of work under the lock.
 2019-09-28 20:57:20 +03:00
Aliaksandr Valialkin
e92e39eddf app/vmselect/netstorage: reduce the number of disk seeks when the query processes big number of time series 2019-09-28 20:57:20 +03:00
Aliaksandr Valialkin
56dff57f77 app/vmselect/netstorage: reduce memory usage when fetching big number of data blocks from vmstorage 
Dump data blocks directly to temporary file instead of buffering them in RAM
 2019-09-28 12:21:57 +03:00
Aliaksandr Valialkin
ba460f62e6 app/vmselect/promql: do not generate timestamps for NaN values in timestamp function according to Prometheus logic 2019-09-27 18:55:16 +03:00
Aliaksandr Valialkin
bd1cf053f6 app/vmselect/promql: add increases_over_time and decreases_over_time functions 
`increases_over_time(q[d])` returns the number of `q` increases during the given duration `d`.
`decreases_over_time(q[d])` returns the number of `q` decreases during the given duration `d`.
 2019-09-25 20:38:51 +03:00
Aliaksandr Valialkin
8d398af92f app/vminsert/netstorage: mention the data size that cannot be sent to vmstorage 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/175
 2019-09-25 12:53:41 +03:00
Aliaksandr Valialkin
73ac7b8dd6 app/vminsert/netstorage: make sure the conn exists before closing it in storageNode.closeBrokenConn 
The conn can be missing or already closed during the call to storageNode.closeBrokenConn.
Prevent `nil pointer dereference` panic by verifying whether the conn is already closed.

Thanks to @CH-anhngo for reporting the issue.

Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/189
 2019-09-25 10:36:50 +03:00
Aliaksandr Valialkin
b0c738ae8b app/vminsert/opentsdbhttp: remove FATAL prefix from logger.Fatalf errors for the sake of consistency with other logger.Fatalf calls 2019-09-19 22:16:11 +03:00
Aliaksandr Valialkin
550a12415a app/vminsert/netstorage: log network errors when sending data to vmstorage nodes 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/175
 2019-09-13 22:26:24 +03:00
Aliaksandr Valialkin
ee4585db33 app/vmselect/promql: properly handle subqueries like aggr_func(rollup_func(metric[window:step])) 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/184
 2019-09-13 21:42:11 +03:00
Aliaksandr Valialkin
828e5f6d26 app/vmselect/promql: binary operation fixes according to Prometheus behaviour 
The follosing issues were fixed:
- VictoriaMetrics could leave superflouos labels when using `on` or `ignoring` modifiers
- VictoriaMetrics could return `duplicate timeseries` error when using `group_left` or `group_right` with non-empty label list
 2019-09-13 17:43:09 +03:00
Aliaksandr Valialkin
ed50b8792b app/vminsert/netstorage: reduce the maximum buffer size for rerouted rows, so it occupies less RAM 2019-09-11 14:50:30 +03:00
Aliaksandr Valialkin
b101064f8b all: report the number of bytes read on io.ReadFull error 
This should simplify error investigation similar to https://github.com/VictoriaMetrics/VictoriaMetrics/issues/175
 2019-09-11 14:50:24 +03:00
Aliaksandr Valialkin
2f4c950fe9 app/vminsert/netstorage: send per-storageNode bufs to vmstorage nodes in parallel 
This should improve the maximum ingestion throughput.

Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/175
 2019-09-11 14:50:19 +03:00
Aliaksandr Valialkin
694cc59ed1 app/vminsert/netstorage: dynamically adjust timeouts for sending packets from vminsert to vmstorage depending on packet size 
Bigger packets will have more chances to be sent to vmstorage.
 2019-09-11 14:50:14 +03:00
Aliaksandr Valialkin
2c654258ef lib/fs: add MustStopDirRemover for waiting until pending directories are removed on graceful shutdown 
This patch is mainly required for laggy NFS. See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/162
 2019-09-05 11:17:17 +03:00
Aliaksandr Valialkin
d0953e9f02 app/vmselect/promql: ignore grouping by destination label in count_values, since such a grouping is performed automatically 2019-09-04 19:59:02 +03:00
Aliaksandr Valialkin
f78ffe565f app/vmselect/promql: do not return artificial points beyond the last point in time series 2019-09-04 16:34:29 +03:00
Aliaksandr Valialkin
a7d5d611fe app/vmselect/prometheus: do not adjust start and end args in /api/v1/query_range if nocache=1 arg is set 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/171
 2019-09-04 13:10:17 +03:00
Aliaksandr Valialkin
b08f085082 app/vmselect/promql: reset timeseries name on group_left and group_right as Prometheus does 2019-09-03 20:43:29 +03:00
Aliaksandr Valialkin
458d412bb6 app/vmselect/netstorage: adaptively adjust the maximum inmemory file size for storing temporary blocks 
The maximum inmemory file size now depends on `-memory.allowedPercent`.
This should improve performance and reduce the number of filesystem calls
on machines with big amounts of RAM when performing heavy queries
over big number of samples and time series.
 2019-09-03 13:32:18 +03:00
Aliaksandr Valialkin
604a4312f9 all: port to FreeBSD on GOARCH=amd64 2019-08-28 01:46:09 +03:00
Aliaksandr Valialkin
5893a9f9a3 app/vmstorage: increase default values for search.maxTagKeys, search.maxTagValues and search.maxUniqueTimeseries 2019-08-27 14:28:26 +03:00
Aliaksandr Valialkin
38711526d3 app/vminsert/influx: set db label only if Influx line doesnt have db tag 2019-08-24 13:55:01 +03:00
Aliaksandr Valialkin
1ee536f9fd app/vminsert: skip empty tags 2019-08-24 13:36:41 +03:00
Aliaksandr Valialkin
a283023d16 app/vminsert/opentsdbhttp: skip invalid rows and continue parsing the remaining rows 
Invalid rows are logged and counted in `vm_rows_invalid_total{type="opentsdb-http"}` metric
 2019-08-24 13:36:41 +03:00
Aliaksandr Valialkin
38b9615c53 app/vminsert/opentsdb: skip invalid rows and continue parsing the remaining rows 
Invalid rows are logged and counted in `vm_rows_invalid_total{type="opentsdb"}` metric
 2019-08-24 13:36:41 +03:00
Aliaksandr Valialkin
2a8fc41bab app/vminsert/graphite: skip invalid rows and continue parsing the remaining rows 
Invalid rows are logged and counted in `vm_rows_invalid_total{type="graphite"}` metric
 2019-08-24 13:36:41 +03:00
Aliaksandr Valialkin
22685ef94d app/vminsert/influx: skip invalid rows and continue parsing the remaining rows 
Invalid influx lines are logged and counted in `vm_rows_invalid_total{type="influx"}` metric.
 2019-08-24 13:36:41 +03:00
Aliaksandr Valialkin
425a81a6c7 app/vminsert/influx: do not allow escaping newline char, since they dont occur in real life 
The prefious report with escaped newline chars in influx line protocol was false alarm.
 2019-08-23 18:43:00 +03:00
Aliaksandr Valialkin
8da8dd0876 app/vminsert/opentsdbhttp: allow timestamp as float64 and as string, since it occurs in real life 2019-08-23 18:35:52 +03:00
Aliaksandr Valialkin
0ea21eb9dc app/vminsert/influx: handle \r\n aka crlf influx line endings from windows world 
Such lines exist in real life.
 2019-08-23 18:28:54 +03:00
Aliaksandr Valialkin
b3502b2b39 app/vminsert/influx: allow escaping newline char 
Though newline char isn't mentioned in escape rules at https://docs.influxdata.com/influxdb/v1.7/write_protocols/line_protocol_tutorial/ ,
there are reports that such chars occur in real life
 2019-08-23 15:14:58 +03:00
Aliaksandr Valialkin
f1f8fce4f7 app/vminsert/influx: skip comments starting with # in influx line protocol 2019-08-23 14:43:24 +03:00
Aliaksandr Valialkin
697de90893 app/vminsert: do not drop data in reroutedBuf if all the storage nodes are unhealthy 2019-08-23 10:38:19 +03:00
Aliaksandr Valialkin
a5dc54efc3 app/vminsert: properly limit the size of reroutedBuf 2019-08-23 10:29:51 +03:00
Aliaksandr Valialkin
c197641978 all: return 503 http error if service is temporarily unavailable 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/156
 2019-08-23 09:49:50 +03:00
Aliaksandr Valialkin
e734076f0f app/vminsert: allow setting the maximum number of labels per time series via -maxLabelsPerTimeseries 2019-08-23 08:47:18 +03:00
Aliaksandr Valialkin
e9db22a551 app/vmselect/promql: attempt to repair invalid bucket counts passed to histogram_quantile 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/136
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/154
 2019-08-22 14:39:24 +03:00
Aliaksandr Valialkin
0697164b4f app/vminsert: add ability to ingest data via HTTP OpenTSDB /api/put requests 
This is manual merge of the https://github.com/VictoriaMetrics/VictoriaMetrics/pull/152
Thanks to nustinov@gmail.com for the initial pull request.
 2019-08-22 12:46:54 +03:00
Aliaksandr Valialkin
4d555c7c87 app/vminsert/opentsdb: fix BenchmarkRowsUnmarshal by adding missing put prefixes to each line 2019-08-21 19:15:04 +03:00
Aliaksandr Valialkin
90a4b00b10 app/vmselect/promql: fix panic on -search.disableCache 
Reset the cache if it is disabled instead of stopping, since it is stopped on graceful shutdown.
 2019-08-21 17:12:01 +03:00
Aliaksandr Valialkin
491b1762c8 app/vmselect/promql: explain why empty timeseries arent removed in transformLabelValue 2019-08-21 11:29:41 +03:00
Aliaksandr Valialkin
db1de4277c app/vmselect/promql: remove NaNs from /api/v1/query_range output like Prometheus does 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/153
 2019-08-20 23:01:59 +03:00
Aliaksandr Valialkin
99331606e1 app/vmselect/promql: pre-allocate memory for map for checking for duplicate timeseries 
This should reduce memory allocations for big number of timeseries
 2019-08-20 23:01:57 +03:00
Aliaksandr Valialkin
1101765adb app/vmselect/promql: add label_value(q, label_name) func, which returns numeric value labels with name label_name in q 2019-08-20 00:28:44 +03:00
Aliaksandr Valialkin
940349ccb9 app/vmselect/promql: independently track offset hints for tStart and tEnd 
This should improve performance if timeseries starts or ends on the selected time range
 2019-08-19 13:40:24 +03:00
Aliaksandr Valialkin
6ae4b4190f app/vmselect/promql: optimize search for timestamp boundaries in rollupConfig.Do 
This should improve the performance of queries over big number of time series
with big number of output points.
 2019-08-19 13:03:38 +03:00
Aliaksandr Valialkin
005aabd305 app/vmselect/promql: add scrape_interval(q[d]) function, which would return scrape interval for q over d 2019-08-18 21:08:15 +03:00
Aliaksandr Valialkin
218cb4623a app/vmselect/promql: hande comparisons with NaN similar to Prometheus 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/150
 2019-08-18 00:25:58 +03:00