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From "Junping Du (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-11246) FSNameSystem#logAuditEvent should be called outside the read or write locks during operations like getContentSummary
Date Fri, 06 Jan 2017 22:09:59 GMT

     [ https://issues.apache.org/jira/browse/HDFS-11246?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Junping Du updated HDFS-11246:
------------------------------
    Target Version/s:   (was: 2.8.0)

> FSNameSystem#logAuditEvent should be called outside the read or write locks during operations
like getContentSummary
> --------------------------------------------------------------------------------------------------------------------
>
>                 Key: HDFS-11246
>                 URL: https://issues.apache.org/jira/browse/HDFS-11246
>             Project: Hadoop HDFS
>          Issue Type: Bug
>    Affects Versions: 2.7.3
>            Reporter: Kuhu Shukla
>            Assignee: Kuhu Shukla
>
> {code}
>     readLock();
>     boolean success = true;
>     ContentSummary cs;
>     try {
>       checkOperation(OperationCategory.READ);
>       cs = FSDirStatAndListingOp.getContentSummary(dir, src);
>     } catch (AccessControlException ace) {
>       success = false;
>       logAuditEvent(success, operationName, src);
>       throw ace;
>     } finally {
>       readUnlock(operationName);
>     }
> {code}
> It would be nice to have audit logging outside the lock esp. in scenarios where applications
hammer a given operation several times. 



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