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VictoriaMetrics/app/vmagent
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Aliaksandr Valialkin cbc637d1dd
app/vmagent/remotewrite: follow-up for f153f54d11 
- Move the remaining code responsible for stream aggregation initialization from remotewrite.go to streamaggr.go .
  This improves code maintainability a bit.

- Properly shut down streamaggr.Aggregators initialized inside remotewrite.CheckStreamAggrConfigs().
  This prevents from potential resource leaks.

- Use separate functions for initializing and reloading of global stream aggregation and per-remoteWrite.url stream aggregation.
  This makes the code easier to read and maintain. This also fixes INFO and ERROR logs emitted by these functions.

- Add an ability to specify `name` option in every stream aggregation config. This option is used as `name` label
  in metrics exposed by stream aggregation at /metrics page. This simplifies investigation of the exposed metrics.

- Add `path` label additionally to `name`, `url` and `position` labels at metrics exposed by streaming aggregation.
  This label should simplify investigation of the exposed metrics.

- Remove `match` and `group` labels from metrics exposed by streaming aggregation, since they have little practical applicability:
  it is hard to use these labels in query filters and aggregation functions.

- Rename the metric `vm_streamaggr_flushed_samples_total` to less misleading `vm_streamaggr_output_samples_total` .
  This metric shows the number of samples generated by the corresponding streaming aggregation rule.
  This metric has been added in the commit 861852f262 .
  See https://github.com/VictoriaMetrics/VictoriaMetrics/pull/6462

- Remove the metric `vm_streamaggr_stale_samples_total`, since it is unclear how it can be used in practice.
  This metric has been added in the commit 861852f262 .
  See https://github.com/VictoriaMetrics/VictoriaMetrics/pull/6462

- Remove Alias and aggrID fields from streamaggr.Options struct, since these fields aren't related to optional params,
  which could modify the behaviour of the constructed streaming aggregator.
  Convert the Alias field to regular argument passed to LoadFromFile() function, since this argument is mandatory.

- Pass Options arg to LoadFromFile() function by reference, since this structure is quite big.
  This also allows passing nil instead of Options when default options are enough.

- Add `name`, `path`, `url` and `position` labels to `vm_streamaggr_dedup_state_size_bytes` and `vm_streamaggr_dedup_state_items_count` metrics,
  so they have consistent set of labels comparing to the rest of streaming aggregation metrics.

- Convert aggregator.aggrStates field type from `map[string]aggrState` to `[]aggrOutput`, where `aggrOutput` contains the corresponding
  `aggrState` plus all the related metrics (currently only `vm_streamaggr_output_samples_total` metric is exposed with the corresponding
  `output` label per each configured output function). This simplifies and speeds up the code responsible for updating per-output
  metrics. This is a follow-up for the commit 2eb1bc4f81 .
  See https://github.com/VictoriaMetrics/VictoriaMetrics/pull/6604

- Added missing urls to docs ( https://docs.victoriametrics.com/stream-aggregation/ ) in error messages. These urls help users
  figuring out why VictoriaMetrics or vmagent generates the corresponding error messages. The urls were removed for unknown reason
  in the commit 2eb1bc4f81 .

- Fix incorrect update for `vm_streamaggr_output_samples_total` metric in flushCtx.appendSeriesWithExtraLabel() function.
  While at it, reduce memory usage by limiting the maximum number of samples per flush to 10K.

Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/5467
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/pull/6268
2024-07-15 20:25:36 +02:00
..
common app/vmagent/common: use plain sync.Pool instead of a mix of sync.Pool with channel-based pool for PushCtx 2024-04-20 21:31:14 +02:00
csvimport app/vmagent: follow-up for 090cb2c9de 2023-11-25 12:13:39 +02:00
datadogsketches app/{vmagent,vminsert}: follow-up after a1d1ccd6f2 2024-02-07 01:31:52 +02:00
datadogv1 app/{vminsert,vmagent}: preliminary support for /api/v2/series ingestion from new versions of DataDog Agent 2023-12-21 20:50:27 +02:00
datadogv2 lib/protoparser/datadogv2: take into account source_type_name field, since it contains useful value such as kubernetes, docker, system, etc. 2023-12-21 23:05:52 +02:00
deployment Rootless docker images by default (#358) 2020-03-27 21:18:32 +02:00
graphite app/{vminsert,vmagent}: preliminary support for /api/v2/series ingestion from new versions of DataDog Agent 2023-12-21 20:50:27 +02:00
influx app/vmagent/influx: replace hybrid channel-based pool + sync.Pool with plain sync.Pool for pushCtx 2024-04-20 21:38:25 +02:00
multiarch deployment: build image for vmagent streamaggr benchmark (#6515) 2024-06-24 16:29:14 +02:00
native app/vmagent: follow-up for 090cb2c9de 2023-11-25 12:13:39 +02:00
newrelic app/vmagent: follow-up for 090cb2c9de 2023-11-25 12:13:39 +02:00
opentelemetry app/{vmagent/insert} fix typo in Firehose 2024-04-03 02:51:57 +03:00
opentsdb app/vmagent: follow-up for 090cb2c9de 2023-11-25 12:13:39 +02:00
opentsdbhttp app/vmagent: follow-up for 090cb2c9de 2023-11-25 12:13:39 +02:00
prometheusimport app: consistently use t.Fatal* instead of t.Error* (except of app/vmalert and app/vmctl - these packages will be processed in a separate commit) 2024-07-11 16:01:25 +02:00
promremotewrite lib/prompb: change type of Label.Name and Label.Value from []byte to string 2024-01-16 20:41:37 +02:00
remotewrite app/vmagent/remotewrite: follow-up for f153f54d11 2024-07-15 20:25:36 +02:00
static/css all: follow-up after 8edb390e21 2022-06-07 01:05:53 +03:00
vmimport app/vmagent: follow-up for 090cb2c9de 2023-11-25 12:13:39 +02:00
main.go app/vmagent/remotewrite: follow-up for f153f54d11 2024-07-15 20:25:36 +02:00
Makefile Add build support for loong64 (#6222) 2024-05-10 14:32:05 +02:00
README.md all: replace the outdated url https://docs.victoriametrics.com/vmagent.html with the new one - https://docs.victoriametrics.com/vmagent/ 2024-04-18 01:32:57 +02:00
vmagent.png app/vmagent: update docs 2020-02-25 00:09:53 +02:00

README.md

See vmagent docs here.

vmagent docs can be edited at docs/vmagent.md.