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Posted to issues@ozone.apache.org by "smengcl (via GitHub)" <gi...@apache.org> on 2025/07/24 23:23:29 UTC

[PR] HDDS-13504. Increase ozone.om.ratis.segment.size default to 64MB [ozone]

smengcl opened a new pull request, #8860:
URL: https://github.com/apache/ozone/pull/8860

   ## What changes were proposed in this pull request?
   
   We think it would be reasonable to bump ozone.om.ratis.segment.size from 4MB to 64MB. 4MB was way too conservative. And we are already using 64MB for DNs more than 2 years ago:
   
   https://github.com/apache/ozone/commit/fbe584c0cc6e33b737b9b6cf31ee592018d8e594
   
   ozone.om.ratis.segment.size sets the size of the raft segment used by Apache Ratis on OM.
   
   dfs.container.ratis.segment.size sets the size of the raft segment used by Apache Ratis on DN.
   
   
   ## What is the link to the Apache JIRA
   
   https://issues.apache.org/jira/browse/HDDS-13504
   
   
   ## How was this patch tested?
   
   - Existing tests.


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Re: [PR] HDDS-13504. Increase ozone.om.ratis.segment.size default to 64MB [ozone]

Posted by "szetszwo (via GitHub)" <gi...@apache.org>.
szetszwo commented on PR #8860:
URL: https://github.com/apache/ozone/pull/8860#issuecomment-3115418904

   Agree.  Let's do it also for SCM.


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Re: [PR] HDDS-13504. Increase ozone.om.ratis.segment.size and ozone.scm.ha.ratis.segment.size default to 64MB [ozone]

Posted by "smengcl (via GitHub)" <gi...@apache.org>.
smengcl commented on PR #8860:
URL: https://github.com/apache/ozone/pull/8860#issuecomment-3120012108

   Thanks @szetszwo for reviewing this!


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Re: [PR] HDDS-13504. Increase ozone.om.ratis.segment.size default to 64MB [ozone]

Posted by "smengcl (via GitHub)" <gi...@apache.org>.
smengcl commented on PR #8860:
URL: https://github.com/apache/ozone/pull/8860#issuecomment-3115312193

   Maybe we should bump SCM's segment size default as well. It is also at `4MB` right now:
   
   https://github.com/apache/ozone/blob/11286d9d06d5efb3ab19140416ba9608f563228a/hadoop-hdds/common/src/main/java/org/apache/hadoop/hdds/scm/ScmConfigKeys.java#L527-L529


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Re: [PR] HDDS-13504. Increase ozone.om.ratis.segment.size and ozone.scm.ha.ratis.segment.size default to 64MB [ozone]

Posted by "smengcl (via GitHub)" <gi...@apache.org>.
smengcl commented on PR #8860:
URL: https://github.com/apache/ozone/pull/8860#issuecomment-3116231170

   > Agree. Let's do it also for SCM.
   
   Thanks @szetszwo . I have updated the PR to increase both default values.


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Re: [PR] HDDS-13504. Increase ozone.om.ratis.segment.size and ozone.scm.ha.ratis.segment.size default to 64MB [ozone]

Posted by "smengcl (via GitHub)" <gi...@apache.org>.
smengcl merged PR #8860:
URL: https://github.com/apache/ozone/pull/8860


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