docs/Single-server-VictoriaMetrics.md: document that /api/v1/series/count may count delete time series

Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/770
This commit is contained in:
Aliaksandr Valialkin 2020-09-17 01:38:15 +03:00
parent ab53cb6f7b
commit 8674963f6a
2 changed files with 6 additions and 4 deletions

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@ -587,8 +587,9 @@ See [this feature request](https://github.com/prometheus/prometheus/issues/6178)
Additionally VictoriaMetrics provides the following handlers: Additionally VictoriaMetrics provides the following handlers:
* `/api/v1/series/count` - it returns the total number of time series in the database. Note that this handler scans all the inverted index, * `/api/v1/series/count` - it returns the total number of time series in the database. Some notes:
so it can be slow if the database contains tens of millions of time series. * the handler scans all the inverted index, so it can be slow if the database contains tens of millions of time series;
* the handler may count [deleted time series](#how-to-delete-time-series) additionally to normal time series due to internal implementation restrictions;
* `/api/v1/labels/count` - it returns a list of `label: values_count` entries. It can be used for determining labels with the maximum number of values. * `/api/v1/labels/count` - it returns a list of `label: values_count` entries. It can be used for determining labels with the maximum number of values.
* `/api/v1/status/active_queries` - it returns a list of currently running queries. * `/api/v1/status/active_queries` - it returns a list of currently running queries.

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@ -587,8 +587,9 @@ See [this feature request](https://github.com/prometheus/prometheus/issues/6178)
Additionally VictoriaMetrics provides the following handlers: Additionally VictoriaMetrics provides the following handlers:
* `/api/v1/series/count` - it returns the total number of time series in the database. Note that this handler scans all the inverted index, * `/api/v1/series/count` - it returns the total number of time series in the database. Some notes:
so it can be slow if the database contains tens of millions of time series. * the handler scans all the inverted index, so it can be slow if the database contains tens of millions of time series;
* the handler may count [deleted time series](#how-to-delete-time-series) additionally to normal time series due to internal implementation restrictions;
* `/api/v1/labels/count` - it returns a list of `label: values_count` entries. It can be used for determining labels with the maximum number of values. * `/api/v1/labels/count` - it returns a list of `label: values_count` entries. It can be used for determining labels with the maximum number of values.
* `/api/v1/status/active_queries` - it returns a list of currently running queries. * `/api/v1/status/active_queries` - it returns a list of currently running queries.