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https://issues.apache.org/jira/browse/FLINK-15532?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17223368#comment-17223368
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Yu Li commented on FLINK-15532:
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[~lipeidian] From the attached
[image-2020-10-23-14-43-18-739.png|https://issues.apache.org/jira/secure/attachment/13014031/image-2020-10-23-14-43-18-739.png]
image we could tell the managed memory (taskmanager.memory.managed.size) is
set to ~950MB (998579934b), and from the earlier two images we could tell the
maximum memory consumption of RocksDB is less than 900MB, which seems to be
expected. Or maybe I'm misreading something? Thanks.
> Enable strict capacity limit for memory usage for RocksDB
> ---------------------------------------------------------
>
> Key: FLINK-15532
> URL: https://issues.apache.org/jira/browse/FLINK-15532
> Project: Flink
> Issue Type: Improvement
> Components: Runtime / State Backends
> Reporter: Yun Tang
> Assignee: Yun Tang
> Priority: Major
> Attachments: image-2020-10-23-14-39-45-997.png,
> image-2020-10-23-14-41-10-584.png, image-2020-10-23-14-43-18-739.png,
> image-2020-10-23-14-55-08-120.png
>
>
> Currently, due to the limitation of RocksDB (see
> [issue-6247|https://github.com/facebook/rocksdb/issues/6247]), we cannot
> create a strict-capacity-limit LRUCache which shared among rocksDB
> instance(s).
> This issue tracks this problem and offer the ability of strict mode once we
> could enable this feature.
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