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Date: Tue, 9 Jul 2013 23:09:49 +0000 (UTC)
From: "Jing Zhao (JIRA)" <jira@apache.org>
To: hdfs-issues@hadoop.apache.org
Message-ID: <JIRA.12656950.1373406134412.22319.1373411389370@arcas>
In-Reply-To: <JIRA.12656950.1373406134412@arcas>
References: <JIRA.12656950.1373406134412@arcas>
Subject: [jira] [Updated] (HDFS-4971) Move IO operations out of locking in
 OpenFileCtx
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     [ https://issues.apache.org/jira/browse/HDFS-4971?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jing Zhao updated HDFS-4971:
----------------------------

    Attachment: HDFS-4971.000.patch

Initial patch just for review.
                
> Move IO operations out of locking in OpenFileCtx
> ------------------------------------------------
>
>                 Key: HDFS-4971
>                 URL: https://issues.apache.org/jira/browse/HDFS-4971
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: nfs
>            Reporter: Jing Zhao
>            Assignee: Jing Zhao
>         Attachments: HDFS-4971.000.patch
>
>
> Currently some IO operations (such as writing data to HDFS and dumping to local disk) in OpenFileCtx may hold a lock which can block processing incoming writing requests. This jira aims to optimize OpenFileCtx and move the IO operations out of the locking.

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