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docs/CHANGELOG.md: mention the issue related to using Kubernetes watch API for service discovery

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Aliaksandr Valialkin 2021-03-01 01:41:53 +02:00
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@ -12,7 +12,7 @@
* `process_io_storage_read_bytes_total` - the number of bytes read from storage layer
* `process_io_storage_written_bytes_total` - the number of bytes written to storage layer
* FEATURE: vmagent: add ability to spread scrape targets among multiple `vmagent` instances. See [these docs](https://victoriametrics.github.io/vmagent.html#scraping-big-number-of-targets) and [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1084) for details.
* FEATURE: vmagent: use watch API for Kuberntes service discovery. This should reduce load on Kuberntes API server when it tracks big number of objects (for example, 10K pods). This should also reduce the time needed for k8s targets discovery.
* FEATURE: vmagent: use watch API for Kuberntes service discovery. This should reduce load on Kuberntes API server when it tracks big number of objects (for example, 10K pods). This should also reduce the time needed for k8s targets discovery. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1057) for details.
* FEATURE: vmagent: export `vm_promscrape_target_relabel_duration_seconds` metric, which can be used for monitoring the time spend on relabeling for discovered targets.
* FEATURE: vmagent: optimize [relabeling](https://victoriametrics.github.io/vmagent.html#relabeling) performance for common cases.
* FEATURE: add `increase_pure(m[d])` function to MetricsQL. It works the same as `increase(m[d])` except of various edge cases. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/962) for details.