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https://issues.apache.org/jira/browse/HBASE-3620?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13006068#comment-13006068
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Ted Yu commented on HBASE-3620:
-------------------------------
The way of creating ThreadPoolExecutor seems to be inconsistent with the rest
of codebase:
{code}
tyumac:trunk tyu$ find . -name '*.java' -exec grep 'new ThreadPoolExecutor(' {}
\; -print
this.pool = new ThreadPoolExecutor(nrThreads, nrThreads,
./src/main/java/org/apache/hadoop/hbase/client/HTable.java
this.threadPoolExecutor = new ThreadPoolExecutor(maxThreads, maxThreads,
./src/main/java/org/apache/hadoop/hbase/executor/ExecutorService.java
executor = new ThreadPoolExecutor(0, numThreads,
./src/main/java/org/apache/hadoop/hbase/util/HBaseFsck.java
{code}
> Make HBCK Faster
> ----------------
>
> Key: HBASE-3620
> URL: https://issues.apache.org/jira/browse/HBASE-3620
> Project: HBase
> Issue Type: Improvement
> Reporter: Nicolas Spiegelberg
> Assignee: Nicolas Spiegelberg
> Priority: Minor
> Fix For: 0.90.2, 0.92.0
>
> Attachments: hbck_perf.patch
>
>
> Make the HBCK utility contact all region servers & HDFS directories in
> parallel. This will speedup hbck processing, especially when there are lots
> of region servers.
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