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https://issues.apache.org/jira/browse/CASSANDRA-3372?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13132856#comment-13132856
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Vijay commented on CASSANDRA-3372:
----------------------------------

60 Seconds was inspired from the JDK implementation, we had 10 seconds earlier. 
I see around 1-2% increase in my tests.
                
> Make HSHA cached threads.
> -------------------------
>
>                 Key: CASSANDRA-3372
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-3372
>             Project: Cassandra
>          Issue Type: Improvement
>          Components: Core
>    Affects Versions: 0.8.3
>            Reporter: Vijay
>            Assignee: Vijay
>            Priority: Minor
>              Labels: thrift
>             Fix For: 1.0.1
>
>         Attachments: 0001-update-to-cache-the-threads-for-tpe.patch
>
>
> JDK's newCachedTP does the following.... This is simillar to 
> ACD.CleaningThreadPool
> public static ExecutorService newCachedThreadPool(ThreadFactory 
> threadFactory) {
>         return new ThreadPoolExecutor(0, Integer.MAX_VALUE,
>                                       60L, TimeUnit.SECONDS,
>                                       new SynchronousQueue<Runnable>(),
>                                       threadFactory);
> }

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