[jira] [Commented] (HBASE-16155) Compacting Memstore : Few log improvements

["Hudson (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HBASE-16155?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15358572#comment-15358572 ] 

Hudson commented on HBASE-16155:
--------------------------------

SUCCESS: Integrated in HBase-Trunk_matrix #1147 (See [https://builds.apache.org/job/HBase-Trunk_matrix/1147/])
HBASE-16155 Compacting Memstore : Few log improvements. (anoopsamjohn: rev 139f0ed53cdf5e5310b034d5ccdb69c610c53c60)
* hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/Segment.java
* hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/CompactionPipeline.java
* hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/MemStoreCompactor.java
* hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/CompactingMemStore.java


> Compacting Memstore : Few log improvements
> ------------------------------------------
>
>                 Key: HBASE-16155
>                 URL: https://issues.apache.org/jira/browse/HBASE-16155
>             Project: HBase
>          Issue Type: Sub-task
>    Affects Versions: 2.0.0
>            Reporter: Anoop Sam John
>            Assignee: Anoop Sam John
>            Priority: Minor
>             Fix For: 2.0.0
>
>         Attachments: HBASE-16155.patch
>
>
> When testing this I can see large log files for RS. Many log lines in INFO level which can be lower level
> LOG.info("FLUSHING TO DISK: region "+ getRegionServices().getRegionInfo()
>           .getRegionNameAsString() + "store: "+ getFamilyName());
> To be DEBUG
> LOG.info("IN-MEMORY FLUSH: Pushing active segment into compaction pipeline, " +
>           "and initiating compaction.");
> To be DEBUG
> LOG.info("Swapping pipeline suffix with compacted item. "
>           +"Just before the swap the number of segments in pipeline is:"
>           +versionedList.getStoreSegments().size()
>           +", and the number of cells in new segment is:"+segment.getCellsCount()); 
> To be DEBUG		  
> LOG.info("Suffix size: "+ suffixSize+" compacted item size: "+newSize+
>           " globalMemstoreSize: "+globalMemstoreSize);
> To be DEBUG		  
> LOG.info("Starting the MemStore in-memory compaction for store " +
>         compactingMemStore.getStore().getColumnFamilyName());
> To be DEBUG		
> And one now in DEBUG can be better at INFO level
> LOG.debug("Setting in-memory flush size threshold to " + inmemoryFlushSize);



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