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Posted to issues@hbase.apache.org by "Huaxiang Sun (Jira)" <ji...@apache.org> on 2021/12/16 20:10:00 UTC

[jira] [Created] (HBASE-26590) Hbase-client Meta lookup performance regression between hbase-1 and hbase-2

Huaxiang Sun created HBASE-26590:
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             Summary: Hbase-client Meta lookup performance regression between hbase-1 and hbase-2
                 Key: HBASE-26590
                 URL: https://issues.apache.org/jira/browse/HBASE-26590
             Project: HBase
          Issue Type: Improvement
          Components: meta
    Affects Versions: 2.3.7, 3.0.0-alpha-1
         Environment: ||Version ||Meta Replica Load Balance Enabled||Time               ||
||2.4.5-with-fixed||Yes||336458ms||
||2.4.5-with-fixed||No||333253ms||
||2.4.5||Yes||469980ms||
||2.4.5||No||470515ms||
|      *cdh-5.16.2*|                                *No* |  *323412ms*|
            Reporter: Huaxiang Sun
            Assignee: Huaxiang Sun


One of our users complained higher latency after application upgrades from hbase-1.2 client (CDH-5.16.2) to hbase-2.4.5 client with meta replica Load Balance mode during app restart. I reproduced the regression by a test for meta lookup. 

At my test cluster, there are 160k regions for the test table, so there are 160k entries in meta region. Used one thread to do 1 million meta lookup against the meta region server.

 



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