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https://issues.apache.org/jira/browse/FLINK-30073?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17635278#comment-17635278
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Roman Khachatryan commented on FLINK-30073:
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[~xtsong], can you please confirm that?
> Managed memory can be wasted if RocksDB memory is fixed-per-slot
> ----------------------------------------------------------------
>
> Key: FLINK-30073
> URL: https://issues.apache.org/jira/browse/FLINK-30073
> Project: Flink
> Issue Type: Bug
> Components: Runtime / Task
> Affects Versions: 1.16.0, 1.17.0, 1.15.2
> Reporter: Roman Khachatryan
> Priority: Major
>
> When
> [state.backend.rocksdb.memory.fixed-per-slot|https://github.com/apache/flink/blob/ba4b182955867fedfa9891bf0bf430e92eeab41a/flink-runtime/src/main/java/org/apache/flink/runtime/util/config/memory/ManagedMemoryUtils.java#L75]
> is set, RocksDB does not use managed memory (this option overrides the
> 'state.backend.rocksdb.memory.managed').
> However, the runtime [doesn't take this into
> account|https://github.com/apache/flink/blob/ba4b182955867fedfa9891bf0bf430e92eeab41a/flink-runtime/src/main/java/org/apache/flink/runtime/util/config/memory/ManagedMemoryUtils.java#L75]
> and still reserves the managed memory according to the configured weigths.
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