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Posted to issues@uniffle.apache.org by "zuston (via GitHub)" <gi...@apache.org> on 2026/02/28 02:10:15 UTC

[I] [FEATURE] Better memory limitation when overlapping decompression is enabled [uniffle]

zuston opened a new issue, #2716:
URL: https://github.com/apache/uniffle/issues/2716

   ### Code of Conduct
   
   - [x] I agree to follow this project's [Code of Conduct](https://www.apache.org/foundation/policies/conduct)
   
   
   ### Search before asking
   
   - [x] I have searched in the [issues](https://github.com/apache/incubator-uniffle/issues?q=is%3Aissue) and found no similar issues.
   
   
   ### Describe the feature
   
   Currently, the overlapping decompression mechanism may cause Spark jobs to run out of memory due to the lack of memory limits.
   
   In the first phase, we can introduce limits on the number of staging buffers. Subsequently, we can align with Spark’s memory consumer model to precisely request and release memory.
   
   ### Motivation
   
   _No response_
   
   ### Describe the solution
   
   _No response_
   
   ### Additional context
   
   _No response_
   
   ### Are you willing to submit PR?
   
   - [x] Yes I am willing to submit a PR!


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Re: [I] [FEATURE] Better memory limitation when overlapping decompression is enabled [uniffle]

Posted by "zuston (via GitHub)" <gi...@apache.org>.
zuston commented on issue #2716:
URL: https://github.com/apache/uniffle/issues/2716#issuecomment-3976246939

   > Since [#2717](https://github.com/apache/uniffle/pull/2717) introduced decompressionBytes counters, can we block decompress threads when decompressionBytes reaches a threshold?
   
   #2735 


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Re: [I] [FEATURE] Better memory limitation when overlapping decompression is enabled [uniffle]

Posted by "wForget (via GitHub)" <gi...@apache.org>.
wForget commented on issue #2716:
URL: https://github.com/apache/uniffle/issues/2716#issuecomment-3976213827

   Since #2717 introduced decompressionBytes counters, can we block decompress threads when decompressionBytes reaches a threshold?


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Re: [I] [FEATURE] Better memory limitation when overlapping decompression is enabled [uniffle]

Posted by "zuston (via GitHub)" <gi...@apache.org>.
zuston closed issue #2716: [FEATURE] Better memory limitation when overlapping decompression is enabled
URL: https://github.com/apache/uniffle/issues/2716


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Re: [I] [FEATURE] Better memory limitation when overlapping decompression is enabled [uniffle]

Posted by "zuston (via GitHub)" <gi...@apache.org>.
zuston commented on issue #2716:
URL: https://github.com/apache/uniffle/issues/2716#issuecomment-3976114183

   cc @wForget 


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