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docs/CHANGELOG.md: link to the feature request for X-Influxdb-Version response header

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Follow-up for 71ef3155c8

Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/2209
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Aliaksandr Valialkin 2022-02-22 20:33:16 +02:00
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@ -20,7 +20,7 @@ The following tip changes can be tested by building VictoriaMetrics components f
* `indexdb/indexBlocks` - the cache speeds up index lookups in `<-storageDataPath>/indexdb` files. The size for this cache can be tuned with `-storage.cacheSizeIndexDBIndexBlocks` command-line flag.
See also [cache tuning docs](https://docs.victoriametrics.com/#cache-tuning). See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1940).
* FEATURE: add `-influxDBLabel` command-line flag for overriding `db` label name for the data [imported into VictoriaMetrics via InfluxDB line protocol](https://docs.victoriametrics.com/#how-to-send-data-from-influxdb-compatible-agents-such-as-telegraf). Thanks to @johnatannvmd for [the pull request](https://github.com/VictoriaMetrics/VictoriaMetrics/pull/2203).
* FEATURE: return `X-Influxdb-Version` HTTP header in responses to [InfluxDB write requests](https://docs.victoriametrics.com/#how-to-send-data-from-influxdb-compatible-agents-such-as-telegraf). This is needed for some InfluxDB clients. See, for example, [this comment](https://github.com/ntop/ntopng/issues/5449#issuecomment-1005347597).
* FEATURE: return `X-Influxdb-Version` HTTP header in responses to [InfluxDB write requests](https://docs.victoriametrics.com/#how-to-send-data-from-influxdb-compatible-agents-such-as-telegraf). This is needed for some InfluxDB clients. See [this comment](https://github.com/ntop/ntopng/issues/5449#issuecomment-1005347597) and [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/2209).
* BUGFIX: reduce memory usage during the first three hours after the upgrade from versions older than v1.73.0. The memory usage spike was related to the need of in-memory caches' re-population after the upgrade because of the fix for [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1401). Now cache size limits are reduced in order to occupy less memory during the upgrade.
* BUGFIX: fix a bug, which could significantly slow down requests to `/api/v1/labels` and `/api/v1/label/<label_name>/values`. These APIs are used by Grafana for auto-completion of label names and label values. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/2200).