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Posted to issues@hbase.apache.org by "mokai (Jira)" <ji...@apache.org> on 2025/08/30 11:00:00 UTC

[jira] [Updated] (HBASE-29559) Network pressure gets increased after region split

     [ https://issues.apache.org/jira/browse/HBASE-29559?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

mokai updated HBASE-29559:
--------------------------
    Description: 
I observed the network pressure gets increased after region split, but compaction doesn't finished.

I try to get a same row (locality=0) repeatedly, the n/w rx speed gets incresed to ~50MB/s afte region split, and it gets decreased when the compaction is done.

Block cache doesn't work to reference files, and it will fetch data block three times for each get request: BloomFilter block+Index block+Data block.

  was:I observed the network pressure gets increased after region split, but compaction doesn't finished.


> Network pressure gets increased after region split
> --------------------------------------------------
>
>                 Key: HBASE-29559
>                 URL: https://issues.apache.org/jira/browse/HBASE-29559
>             Project: HBase
>          Issue Type: Improvement
>          Components: BlockCache
>    Affects Versions: 2.6.0
>            Reporter: mokai
>            Assignee: mokai
>            Priority: Major
>
> I observed the network pressure gets increased after region split, but compaction doesn't finished.
> I try to get a same row (locality=0) repeatedly, the n/w rx speed gets incresed to ~50MB/s afte region split, and it gets decreased when the compaction is done.
> Block cache doesn't work to reference files, and it will fetch data block three times for each get request: BloomFilter block+Index block+Data block.



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