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From "Yonik Seeley (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (SOLR-3715) improve tlog concurrency
Date Mon, 06 Aug 2012 15:52:02 GMT

     [ https://issues.apache.org/jira/browse/SOLR-3715?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Yonik Seeley reassigned SOLR-3715:
----------------------------------

    Assignee: Yonik Seeley
    
> improve tlog concurrency
> ------------------------
>
>                 Key: SOLR-3715
>                 URL: https://issues.apache.org/jira/browse/SOLR-3715
>             Project: Solr
>          Issue Type: Improvement
>            Reporter: Yonik Seeley
>            Assignee: Yonik Seeley
>
> Right now log record serialization is synchronized.  We can improve concurrency by serializing
to a ram buffer outside synchronization.  The cost will be RAM usage for buffering, and more
complex concurrency in the tlog itself (i.e. we must ensure that a close does not happen without
flushing all in-RAM buffers)

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