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From "Jacques Nadeau (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (DRILL-124) Evaluate removal of buffer reference counting for buffer pool
Date Thu, 29 May 2014 15:46:25 GMT

     [ https://issues.apache.org/jira/browse/DRILL-124?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jacques Nadeau updated DRILL-124:
---------------------------------

    Issue Type: Bug  (was: New Feature)

> Evaluate removal of buffer reference counting for buffer pool
> -------------------------------------------------------------
>
>                 Key: DRILL-124
>                 URL: https://issues.apache.org/jira/browse/DRILL-124
>             Project: Apache Drill
>          Issue Type: Bug
>            Reporter: Jacques Nadeau
>             Fix For: Future
>
>
> The default Netty4 implementations of ByteBuf utilize manual reference counting to speed
buffer recycling with minimal overhead.  Their initial evaluation also included exploration
utilizing ReferenceQueue to utilize java gc for buffer recycling.  We should pick up their
initial efforts and explore whether or not the performance loss is that great for our use
case.  The particular commit is here: https://github.com/netty/netty/commit/6c16972a031b3e81b9bf17e381c43b9f0c010eba



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