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https://issues.apache.org/jira/browse/HBASE-23250?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Work on HBASE-23250 started by Rabi Kumar K C.
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> Log message about CleanerChore delegate initialization should be at INFO
> ------------------------------------------------------------------------
>
>                 Key: HBASE-23250
>                 URL: https://issues.apache.org/jira/browse/HBASE-23250
>             Project: HBase
>          Issue Type: Task
>          Components: master, Operability
>            Reporter: Sean Busbey
>            Assignee: Rabi Kumar K C
>            Priority: Minor
>              Labels: beginner
>
> Right now we log a DEBUG message as we initialize the delegates that decide 
> on cleaner decisions:
> {code}
> 2019-10-30 07:30:01,594 DEBUG 
> org.apache.hadoop.hbase.master.cleaner.CleanerChore: initialize 
> cleaner=org.apache.hadoop.hbase.replication.master.ReplicationLogCleaner
> 2019-10-30 07:30:01,597 DEBUG 
> org.apache.hadoop.hbase.master.cleaner.CleanerChore: initialize 
> cleaner=org.apache.hadoop.hbase.master.snapshot.SnapshotLogCleaner
> 2019-10-30 07:30:01,600 DEBUG 
> org.apache.hadoop.hbase.master.cleaner.CleanerChore: initialize 
> cleaner=org.apache.hadoop.hbase.master.cleaner.HFileLinkCleaner
> 2019-10-30 07:30:01,601 DEBUG 
> org.apache.hadoop.hbase.master.cleaner.CleanerChore: initialize 
> cleaner=org.apache.hadoop.hbase.master.snapshot.SnapshotHFileCleaner
> 2019-10-30 07:30:01,602 DEBUG 
> org.apache.hadoop.hbase.master.cleaner.CleanerChore: initialize 
> cleaner=org.apache.hadoop.hbase.master.cleaner.TimeToLiveHFileCleaner
> {code}
> Done here in CleanerChore.java:
> {code}
>  private void initCleanerChain(String confKey) {
>     this.cleanersChain = new LinkedList<>();
>     String[] logCleaners = conf.getStrings(confKey);
>     if (logCleaners != null) {
>       for (String className : logCleaners) {
>         T logCleaner = newFileCleaner(className, conf);
>         if (logCleaner != null) {
>           LOG.debug("Initialize cleaner={}", className);
>           this.cleanersChain.add(logCleaner);
>         }
>       }
>     }
>   }
> {code}
> This message should be at INFO. it doesn't happen often and knowing what 
> plugins decide about file deletions is important all the time.



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