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From "Brandon Williams (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-3329) make HSHA the default Thrift server
Date Fri, 07 Oct 2011 22:47:29 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-3329?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13123270#comment-13123270
] 

Brandon Williams commented on CASSANDRA-3329:
---------------------------------------------

It looks like defaulting to the number of cores for hsha isn't quite adequate - I get about
20% less throughput on 4 cores with this patch than if I set it explicitly to 16.
                
> make HSHA the default Thrift server
> -----------------------------------
>
>                 Key: CASSANDRA-3329
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-3329
>             Project: Cassandra
>          Issue Type: Improvement
>          Components: API
>            Reporter: Jonathan Ellis
>            Assignee: Jonathan Ellis
>            Priority: Minor
>             Fix For: 1.0.0
>
>         Attachments: 3329.txt
>
>
> HSHA has been an option since 0.8.3 (CASSANDRA-1405) and has been stable. Besides making
possible lots of unpooled connections such as are common in some environments (*cough* PHP),
we've seen EC2 in particular have trouble with lots of threads (CASSANDRA-2170).

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