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https://issues.apache.org/jira/browse/SPARK-53001?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18011322#comment-18011322
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Anish Shrigondekar commented on SPARK-53001:
--------------------------------------------
Merged here -> [https://github.com/apache/spark/pull/51708]
> Integrate RocksDB Memory Usage with the Unified Memory Manager
> --------------------------------------------------------------
>
> Key: SPARK-53001
> URL: https://issues.apache.org/jira/browse/SPARK-53001
> Project: Spark
> Issue Type: Bug
> Components: Structured Streaming
> Affects Versions: 4.1.0
> Reporter: Eric Marnadi
> Priority: Major
> Labels: pull-request-available
>
> Currently, RocksDB memory is untracked and not included in memory decisions
> in Spark (particularly when Photon is enabled). We want to factor the RocksDB
> memory usage into memory allocations so we don't hit OOMs. This change
> introduces a background memory polling thread from the MemoryManager that
> queries RocksDB memory every X seconds (configurable via SQLConf).
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