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VictoriaMetrics/docs/VictoriaLogs/CHANGELOG.md
Zakhar Bessarab 94627113db
lib/logstorage: prevent from panic during background merge (#4969) 
* lib/logstorage: prevent from panic during background merge

Fixes panic during background merge when resulting block would contain more columns than maxColumnsPerBlock.
Buffered data will be flushed and replaced by the next block.

See: https://github.com/VictoriaMetrics/VictoriaMetrics/issues/4762
Signed-off-by: Zakhar Bessarab <z.bessarab@victoriametrics.com>

* lib/logstorage: clarify field description and comment

Signed-off-by: Zakhar Bessarab <z.bessarab@victoriametrics.com>

---------

Signed-off-by: Zakhar Bessarab <z.bessarab@victoriametrics.com>
2023-09-29 11:58:20 +02:00

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VictoriaLogs changelog

The following tip changes can be tested by building VictoriaLogs from the latest commit of VictoriaMetrics repository according to these docs

tip

  • FEATURE: add -elasticsearch.version command-line flag, which can be used for specifying Elasticsearch version returned by VictoriaLogs to Filebeat at elasticsearch bulk API. This helps resolving this issue.

  • FEATURE: expose the following metrics at /metrics page:

    • vl_data_size_bytes{type="storage"} - on-disk size for data excluding log stream indexes.
    • vl_data_size_bytes{type="indexdb"} - on-disk size for log stream indexes.

  • FEATURE: add -insert.maxFieldsPerLine command-line flag, which can be used for limiting the number of fields per line in logs sent to VictoriaLogs via ingestion protocols. This helps to avoid issues like this.

  • FEATURE: expose vl_http_request_duration_seconds metric at the /metrics. See this PR for details.

  • FEATURE: add support of --storage.minFreeDiskSpaceBytes command-line flag to allow switching to read-only mode when running out of disk space at --storageDataPath. See this issue.

  • FEATURE: expose vl_http_request_duration_seconds histogram at the /metrics page. Thanks to @crossoverJie for this pull request.

  • BUGFIX: fix possible panic when no data is written to VictoriaLogs for a long time. See this issue. Thanks to @crossoverJie for filing and fixing the issue.

  • BUGFIX: add /insert/loky/ready endpoint, which is used by Promtail for healthchecks. This should remove unsupported path requested: /insert/loki/ready warning logs. See this comment.

  • BUGFIX: prevent panic during background merge when amount of columns in resulting block exceeds max number of columns per block. See this issue.

v0.3.0

Released at 2023-07-20

  • FEATURE: add support for data ingestion via Promtail (aka default log shipper for Grafana Loki). See these and these docs.

v0.2.0

Released at 2023-07-17

  • FEATURE: support short form of _time filters over the last X minutes/hours/days/etc. For example, _time:5m is a short form for _time:(now-5m, now], which matches logs with timestamps for the last 5 minutes. See these docs for details.
  • FEATURE: add ability to specify offset for the selected time range. For example, _time:5m offset 1h is equivalent to _time:(now-5m-1h, now-1h]. See these docs for details.
  • FEATURE: LogsQL: replace exact_prefix("...") with exact("..."*). This makes it consistent with i() filter, which can accept phrases and prefixes, e.g. i("phrase") and i("phrase"*). See these docs.

v0.1.0

Released at 2023-06-21

Initial release