[
https://issues.apache.org/jira/browse/SPARK-24441?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Apache Spark reassigned SPARK-24441:
------------------------------------
Assignee: Apache Spark
> Expose total size of states in HDFSBackedStateStoreProvider
> -----------------------------------------------------------
>
> Key: SPARK-24441
> URL: https://issues.apache.org/jira/browse/SPARK-24441
> Project: Spark
> Issue Type: Improvement
> Components: Structured Streaming
> Affects Versions: 2.3.0
> Reporter: Jungtaek Lim
> Assignee: Apache Spark
> Priority: Major
>
> While Spark exposes state metrics for single state, Spark still doesn't
> expose overall memory usage of state (loadedMaps) in
> HDFSBackedStateStoreProvider.
> Since HDFSBackedStateStoreProvider caches multiple versions of entire state
> in hashmap, this can occupy much memory than single version of state. Based
> on the default value of minVersionsToRetain, the size of cache map can grow
> more than 100 times of the size of single state. It would be better to expose
> it as well so that end users can determine actual memory usage for state.
--
This message was sent by Atlassian JIRA
(v7.6.3#76005)
---------------------------------------------------------------------
To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org
For additional commands, e-mail: issues-h...@spark.apache.org
