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Posted to pr@cassandra.apache.org by GitBox <gi...@apache.org> on 2020/09/01 05:40:20 UTC

[GitHub] [cassandra] jasonstack edited a comment on pull request #642: Cassandra 15861 lock trunk

jasonstack edited a comment on pull request #642:
URL: https://github.com/apache/cassandra/pull/642#issuecomment-684340690


   > a slow write to SUMMARY (aka IndexSummaryRedistribution) will block updates to STATS (aka compaction) even though they do not logically conflict; 
   
   index summary redistribution and stats-mutation shouldn't happen together because both are running as part of compactions.
   
   > streaming is only blocked while snapshotting.
   
   streaming is also blocked by "write to summary file", as streaming should not snapshot a partially written file.


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