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Posted to common-issues@hadoop.apache.org by "sunhaitao (JIRA)" <ji...@apache.org> on 2016/01/14 03:56:39 UTC

[jira] [Updated] (HADOOP-12707) key of FileSystem inner class Cache contains UGI.hascode which uses the defualt hascode method, leading to the memory leak

     [ https://issues.apache.org/jira/browse/HADOOP-12707?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

sunhaitao updated HADOOP-12707:
-------------------------------
    Description: 
FileSystem.get(conf) method,By default it will get the fs object from CACHE,But the key of the CACHE 
   @Override
      public int hashCode() {
        return (scheme + authority).hashCode() + ugi.hashCode() + (int)unique;
      }

> key of FileSystem inner class Cache contains UGI.hascode which uses the defualt hascode method, leading to the memory leak
> --------------------------------------------------------------------------------------------------------------------------
>
>                 Key: HADOOP-12707
>                 URL: https://issues.apache.org/jira/browse/HADOOP-12707
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: fs
>    Affects Versions: 2.7.1
>            Reporter: sunhaitao
>            Assignee: sunhaitao
>
> FileSystem.get(conf) method,By default it will get the fs object from CACHE,But the key of the CACHE 
>    @Override
>       public int hashCode() {
>         return (scheme + authority).hashCode() + ugi.hashCode() + (int)unique;
>       }



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