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Posted to commits@druid.apache.org by GitBox <gi...@apache.org> on 2022/04/18 14:18:50 UTC
[GitHub] [druid] harinirajendran opened a new issue, #12448: 95% of real time ingestion task logs flooded with "Not closed! Object leaked from StupidPool" WARN message
harinirajendran opened a new issue, #12448:
URL: https://github.com/apache/druid/issues/12448
### Affected Version
0.21, 0.22.1 [We noticed it only when we were on 0.21]. This could have been happening earlier too.
### Description
95% of our real-time ingestion task logs are filled with the following messages
```
{"@timestamp":"2022-03-28T18:30:14.181Z", "log.level": "WARN", "message":"Not closed! Object leaked from StupidPool{name=littleEndByteBufPool, objectsCacheMaxCount=2147483647, poolSize=6}. Allowing gc to prevent leak.", "service.name":"druid/middleManager","event.dataset":"druid/middleManager.log","process.thread.name":"Cleaner-0","log.logger":"org.apache.druid.collections.StupidPool"}
{"@timestamp":"2022-03-28T18:30:14.181Z", "log.level": "WARN", "message":"Not closed! Object leaked from StupidPool{name=littleEndByteBufPool, objectsCacheMaxCount=2147483647, poolSize=5}. Allowing gc to prevent leak.", "service.name":"druid/middleManager","event.dataset":"druid/middleManager.log","process.thread.name":"Cleaner-0","log.logger":"org.apache.druid.collections.StupidPool"}
{"@timestamp":"2022-03-28T18:30:14.181Z", "log.level": "WARN", "message":"Not closed! Object leaked from StupidPool{name=littleEndByteBufPool, objectsCacheMaxCount=2147483647, poolSize=5}. Allowing gc to prevent leak.", "service.name":"druid/middleManager","event.dataset":"druid/middleManager.log","process.thread.name":"Cleaner-0","log.logger":"org.apache.druid.collections.StupidPool"}
```
The ingestion tasks are working fine, but the logs are flooded with these WARN messages.
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Re: [I] 95% of real time ingestion task logs flooded with "Not closed! Object leaked from StupidPool" WARN message (druid)
Posted by "github-actions[bot] (via GitHub)" <gi...@apache.org>.
github-actions[bot] closed issue #12448: 95% of real time ingestion task logs flooded with "Not closed! Object leaked from StupidPool" WARN message
URL: https://github.com/apache/druid/issues/12448
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[GitHub] [druid] lokeshjain279 commented on issue #12448: 95% of real time ingestion task logs flooded with "Not closed! Object leaked from StupidPool" WARN message
Posted by GitBox <gi...@apache.org>.
lokeshjain279 commented on issue #12448:
URL: https://github.com/apache/druid/issues/12448#issuecomment-1105041875
We are also seeing the same Warning messages and have also seen the historical pods crashing after this warning message shows up.
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[GitHub] [druid] renatocron commented on issue #12448: 95% of real time ingestion task logs flooded with "Not closed! Object leaked from StupidPool" WARN message
Posted by GitBox <gi...@apache.org>.
renatocron commented on issue #12448:
URL: https://github.com/apache/druid/issues/12448#issuecomment-1151060094
Can you share the parameters for memory?
I have `-XX:+UseG1GC` on all process and there's no such warning, I'm using MM with kafka ingestion
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Re: [I] 95% of real time ingestion task logs flooded with "Not closed! Object leaked from StupidPool" WARN message (druid)
Posted by "github-actions[bot] (via GitHub)" <gi...@apache.org>.
github-actions[bot] commented on issue #12448:
URL: https://github.com/apache/druid/issues/12448#issuecomment-1885968561
This issue has been closed due to lack of activity. If you think that
is incorrect, or the issue requires additional review, you can revive the issue at
any time.
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Re: [I] 95% of real time ingestion task logs flooded with "Not closed! Object leaked from StupidPool" WARN message (druid)
Posted by "github-actions[bot] (via GitHub)" <gi...@apache.org>.
github-actions[bot] commented on issue #12448:
URL: https://github.com/apache/druid/issues/12448#issuecomment-1853065863
This issue has been marked as stale due to 280 days of inactivity.
It will be closed in 4 weeks if no further activity occurs. If this issue is still
relevant, please simply write any comment. Even if closed, you can still revive the
issue at any time or discuss it on the dev@druid.apache.org list.
Thank you for your contributions.
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