[
https://issues.apache.org/jira/browse/KUDU-3181?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Alexey Serbin resolved KUDU-3181.
---------------------------------
Fix Version/s: 1.13.0
Resolution: Fixed
> Compilation manager queue may have too many tasks
> -------------------------------------------------
>
> Key: KUDU-3181
> URL: https://issues.apache.org/jira/browse/KUDU-3181
> Project: Kudu
> Issue Type: Bug
> Components: codegen
> Reporter: Li Zhiming
> Priority: Major
> Fix For: 1.13.0
>
> Attachments: heap.svg
>
>
> When a client frequently scanning for thousands of diffrent columns, the
> code_cache_hits rate is quite low. Then compilation task is frequently
> submitted to queue, but the compiler manager thread cannot consumes the queue
> quick enough. The queue could accumulate tons of entries, each of which
> retains a copy of schema meta data, so a lot of memeory is consumed for a
> long time.
--
This message was sent by Atlassian Jira
(v8.3.4#803005)
