jtuglu1 commented on code in PR #18966: URL: https://github.com/apache/druid/pull/18966#discussion_r2761889526
########## docs/operations/metrics.md: ########## @@ -462,6 +462,9 @@ These metrics are emitted by the Druid Coordinator in every run of the correspon |`segment/schemaCache/dataSource/removed`|Emitted when a datasource is removed from the Broker cache due to segments being marked as unused.|`dataSource`|| |`segment/schemaCache/refresh/time`|Time taken to refresh segments in coordinator segment schema cache.|`dataSource`|| |`segment/schemaCache/backfill/count`|Number of segments for which schema was back filled in the database.|`dataSource`|| +|`segment/schemaCache/rowSignature/initialized`|Emitted when a datasource row signature is initialized for the first time in the Broker's segment metadata cache.|`dataSource`|| +|`segment/schemaCache/rowSignature/changed`|Emitted when the cached row signature on the Broker's segment metadata cache for a datasource changes, indicating schema evolution or some form of flapping.|`dataSource`|| +|`segment/schemaCache/rowSignature/column/count`|Number of columns in the updated row signature for a datasource.|`dataSource`|| Review Comment: nit: `Number of columns in the initial/updated row signature for a datasource.` -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
