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Posted to commits@doris.apache.org by GitBox <gi...@apache.org> on 2022/04/09 15:29:18 UTC
[GitHub] [incubator-doris] morningman opened a new issue, #8942: [Bug] too many "send fragment timeout. backend id" error
morningman opened a new issue, #8942:
URL: https://github.com/apache/incubator-doris/issues/8942
### Search before asking
- [X] I had searched in the [issues](https://github.com/apache/incubator-doris/issues?q=is%3Aissue) and found no similar issues.
### Version
trunk
### What's Wrong?
In some high concurrency scenarios, a large number of "send fragment timeout. backend id xxx" errors may appear in the fe.log. And all subsequent requests keep reporting this error and cannot be recovered.
### What You Expected?
This is because in high load scenarios, the execution thread pool on the BE side is full, and new requests will enter the waiting queue of the thread pool.
However, the timeout period of the plan fragment request sent by FE to BE is only 5 seconds. The waiting time for requests entering the waiting queue may be very long, resulting in a large number of rpc errors `send fragment timeout`.
And subsequent requests will continue to enter the waiting queue, causing all subsequent requests to time out.
### How to Reproduce?
Run a complex queries with high concurrency.
### Anything Else?
_No response_
### Are you willing to submit PR?
- [X] Yes I am willing to submit a PR!
### Code of Conduct
- [X] I agree to follow this project's [Code of Conduct](https://www.apache.org/foundation/policies/conduct)
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[GitHub] [incubator-doris] ChPi commented on issue #8942: [Bug] too many "send fragment timeout. backend id" error
Posted by GitBox <gi...@apache.org>.
ChPi commented on issue #8942:
URL: https://github.com/apache/incubator-doris/issues/8942#issuecomment-1124601630
version 0.15。
modified `remote_fragment_exec_timeout_ms=600000`, this problem still exists
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[GitHub] [incubator-doris] morningman closed issue #8942: [Bug] too many "send fragment timeout. backend id" error
Posted by GitBox <gi...@apache.org>.
morningman closed issue #8942: [Bug] too many "send fragment timeout. backend id" error
URL: https://github.com/apache/incubator-doris/issues/8942
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