mahua created HBASE-27537:
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             Summary: Optimize the compaction triggering logic if  table has 
set TTL
                 Key: HBASE-27537
                 URL: https://issues.apache.org/jira/browse/HBASE-27537
             Project: HBase
          Issue Type: Bug
          Components: regionserver
    Affects Versions: 2.4.15
            Reporter: mahua


Although table has a TTL set in the cluster,some regions do not perform 
periodic major compactions,and the expired TTL data is still stored in these 
large files. Not trigger the reason is that the periodic check of the thread 
according to number of files in the region o If > hbase.hstore.compaction.min 
then major compaction is not triggered, Instead, minor compaction is triggered 
first. But minor compaction which excludes large files (by the 
hbase.hstore.compaction.max.size), when the larger files reach a certain 
number, the expired data under the larger files cannot be deleted normally.

 

 

 



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