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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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