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ClickHouse/docs/en/operations/system-tables/graphite_retentions.md
Anna a6fb067a75
DOCSUP-1915: Split system-table.md into separate files. (#13160) 
* Corrected en files

* Split system-tables.md into separate files

* Fixed links.

* Fixed links.

* Fixed links.

* Fixed links.

* Add ref to original article

* Fixed links

* Add toc_folder_title and translate

* Add stack_trace.md, correct toc-title

* Fixed links

* Hypothesis testing

* Hypothesis testing

* Update run.sh, thanks @azat

Co-authored-by: Anna Devyatova <annadevyatova@yandex-team.ru>
Co-authored-by: Sergei Shtykov <bayonet@yandex-team.ru>
Co-authored-by: alexey-milovidov <milovidov@yandex-team.ru>
2020-08-06 11:50:29 +03:00

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system.graphite_retentions

Contains information about parameters graphite_rollup which are used in tables with *GraphiteMergeTree engines.

Columns:

  • config_name (String) - graphite_rollup parameter name.
  • regexp (String) - A pattern for the metric name.
  • function (String) - The name of the aggregating function.
  • age (UInt64) - The minimum age of the data in seconds.
  • precision (UInt64) - How precisely to define the age of the data in seconds.
  • priority (UInt16) - Pattern priority.
  • is_default (UInt8) - Whether the pattern is the default.
  • Tables.database (Array(String)) - Array of names of database tables that use the config_name parameter.
  • Tables.table (Array(String)) - Array of table names that use the config_name parameter.

Original article