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From "Alejandro Abdelnur (JIRA)" <j...@apache.org>
Subject [jira] Created: (HADOOP-6640) FileSystem.get() does RPC retries within a static synchronized block
Date Wed, 17 Mar 2010 23:07:27 GMT
FileSystem.get() does RPC retries within a static synchronized block
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                 Key: HADOOP-6640
                 URL: https://issues.apache.org/jira/browse/HADOOP-6640
             Project: Hadoop Common
          Issue Type: Bug
         Environment: all
            Reporter: Alejandro Abdelnur
            Priority: Critical


If using FileSystem.get() in a multithreaded environment, and one get() locks because the
NN URI is too slow or not responding and retries are in progress, all other get() (for the
diffferent users, NN) are blocked.

the synchronized block in in the static instance of Cache inner class.


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