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From "Hari Krishna Dara (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-12870) "Major compaction triggered" and "Skipping major compaction" messages lack the region information
Date Fri, 16 Jan 2015 10:27:34 GMT
Hari Krishna Dara created HBASE-12870:
-----------------------------------------

             Summary: "Major compaction triggered" and "Skipping major compaction" messages
lack the region information
                 Key: HBASE-12870
                 URL: https://issues.apache.org/jira/browse/HBASE-12870
             Project: HBase
          Issue Type: Improvement
          Components: Compaction
    Affects Versions: 0.98.9
            Reporter: Hari Krishna Dara


The below messages coming from {{RatioBasedCompactionPolicy}} log the default {{.toString()}}
output of itself, which is not useful:

{noformat}
2015-01-16 06:15:07,166 DEBUG org.apache.hadoop.hbase.regionserver.compactions.RatioBasedCompactionPolicy:
Major compaction triggered on store org.apache.hadoop.hbase.regionserver.compactions.ExploringCompactionPolicy@4acab1f5;
time since last major compaction 339994249ms
{noformat}

{noformat}
2015-01-16 09:49:12,872 DEBUG org.apache.hadoop.hbase.regionserver.compactions.RatioBasedCompactionPolicy:
Skipping major compaction of org.apache.hadoop.hbase.regionserver.compactions.ExploringCompactionPolicy@7b9f47bb
because one (major) compacted file only and oldestTime 6795587394ms is < ttl=15552000000
{noformat}

It should log the store/region information instead. Unfortunately, this information seems
to be unavailable at this point, so more context needs to be supplied while calling {{RatioBasedCompactionPolicy.isMajorCompaction()}}.



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