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docs/Single-server-VictoriaMetrics.md: make docs-sync

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Aliaksandr Valialkin 2020-09-07 21:58:06 +03:00
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@ -565,11 +565,12 @@ VictoriaMetrics supports the following handlers from [Prometheus querying API](h
These handlers can be queried from Prometheus-compatible clients such as Grafana or curl. These handlers can be queried from Prometheus-compatible clients such as Grafana or curl.
#### Prometheus querying API enhancements
Additionally to unix timestamps and [RFC3339](https://www.ietf.org/rfc/rfc3339.txt) VictoriaMetrics accepts relative times in `time`, `start` and `end` query args. Additionally to unix timestamps and [RFC3339](https://www.ietf.org/rfc/rfc3339.txt) VictoriaMetrics accepts relative times in `time`, `start` and `end` query args.
For example, the following query would return data for the last 30 minutes: `/api/v1/query_range?start=-30m&query=...`. For example, the following query would return data for the last 30 minutes: `/api/v1/query_range?start=-30m&query=...`.
VictoriaMetrics returns time series for the last 5 minutes from `/api/v1/series` if `start` query arg is missing there. By default, VictoriaMetrics returns time series for the last 5 minutes from /api/v1/series, while the Prometheus API defaults to all time. Use `start` and `end` to select a different time range.
`end` query arg defaults to the current time if it is missing.
VictoriaMetrics accepts additional args for `/api/v1/labels` and `/api/v1/label/.../values` handlers. VictoriaMetrics accepts additional args for `/api/v1/labels` and `/api/v1/label/.../values` handlers.
See [this feature request](https://github.com/prometheus/prometheus/issues/6178) for details: See [this feature request](https://github.com/prometheus/prometheus/issues/6178) for details:
@ -689,8 +690,9 @@ where `<timeseries_selector_for_delete>` may contain any [time series selector](
for metrics to delete. After that all the time series matching the given selector are deleted. Storage space for for metrics to delete. After that all the time series matching the given selector are deleted. Storage space for
the deleted time series isn't freed instantly - it is freed during subsequent [background merges of data files](https://medium.com/@valyala/how-victoriametrics-makes-instant-snapshots-for-multi-terabyte-time-series-data-e1f3fb0e0282). the deleted time series isn't freed instantly - it is freed during subsequent [background merges of data files](https://medium.com/@valyala/how-victoriametrics-makes-instant-snapshots-for-multi-terabyte-time-series-data-e1f3fb0e0282).
It is recommended verifying which metrics will be deleted with the call to `http://<victoria-metrics-addr>:8428/api/v1/series?match[]=<timeseries_selector_for_delete>&start=0` It is recommended verifying which metrics will be deleted with the call to `http://<victoria-metrics-addr>:8428/api/v1/series?match[]=<timeseries_selector_for_delete>`
before actually deleting the metrics. before actually deleting the metrics. By default this query will only scan active series in the past 5 minutes, so you may need to
adjust `start` and `end` to a suitable range to achieve match hits.
The `/api/v1/admin/tsdb/delete_series` handler may be protected with `authKey` if `-deleteAuthKey` command-line flag is set. The `/api/v1/admin/tsdb/delete_series` handler may be protected with `authKey` if `-deleteAuthKey` command-line flag is set.