hbase-dev mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "stack (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HBASE-2101) KeyValueSortReducer collapses all values to last passed
Date Sat, 09 Jan 2010 19:43:54 GMT

     [ https://issues.apache.org/jira/browse/HBASE-2101?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

stack updated HBASE-2101:
-------------------------

    Attachment: 2102.patch

> KeyValueSortReducer collapses all values to last passed
> -------------------------------------------------------
>
>                 Key: HBASE-2101
>                 URL: https://issues.apache.org/jira/browse/HBASE-2101
>             Project: Hadoop HBase
>          Issue Type: Bug
>            Reporter: stack
>             Fix For: 0.20.3, 0.20.4, 0.21.0
>
>         Attachments: 2102.patch
>
>
> From mailing list by Ioannis Konstantinou:
> {code}The problem is in the class org.apache.hadoop.hbase.mapreduce.KeyValueSortReducer.

> When you add keyvalues to the treeset for sorting, you need to add keyvalue clones instead
of just references. What happens now, is that in every iteration, the value that exists in
the treeset gets replaced with the new value.
> So, you need to replace line 41 ( map.add(kv);) 
> with this line:   map.add(kv.clone())
> in this case, the treeset populates correcty.{code}
> I filed this against 0.20.3 so if we have to cut a new RC, we can include this fix too.

-- 
This message is automatically generated by JIRA.
-
You can reply to this email to add a comment to the issue online.


Mime
View raw message