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https://issues.apache.org/jira/browse/TRAFODION-2067?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15404412#comment-15404412
 ] 

ASF GitHub Bot commented on TRAFODION-2067:
-------------------------------------------

Github user prashanth-vasudev commented on a diff in the pull request:

    https://github.com/apache/incubator-trafodion/pull/610#discussion_r73197524
  
    --- Diff: 
core/sqf/src/seatrans/hbase-trx/src/main/java/org/apache/hadoop/hbase/regionserver/transactional/KeyValueListScanner.java.tmpl
 ---
    @@ -48,7 +50,7 @@ public class KeyValueListScanner implements 
KeyValueScanner {
             Collections.sort(data, this.comparator);
             this.iter = data.iterator();
             if (!data.isEmpty()) {
    -            this.current = KeyValue.createFirstOnRow(data.get(0).getRow());
    +            this.current = 
KeyValueUtil.createFirstOnRow(CellUtil.cloneRow(data.get(0)));
    --- End diff --
    
    Please check cloning of the row here is absolutely needed. This is going to 
get very expensive memory consumption. 


> Support CDH 5.7
> ---------------
>
>                 Key: TRAFODION-2067
>                 URL: https://issues.apache.org/jira/browse/TRAFODION-2067
>             Project: Apache Trafodion
>          Issue Type: Improvement
>         Environment: CDH 5.7
>            Reporter: yuhong zhou
>            Assignee: mashengchen
>
> our bigdata platform CDH had been upgraded to 5.7. As tring to apply  apache 
> trafodion as data warehouse based on bigdata distributions, we found current 
> release couldn;t support CDH 5.7 ,we wish next release can support it . 
> additionally, apache trafodion should be close to mainstream open soure 
> bigdata platform release,  So,  apache trafodion can be applied by more 
> companies as soon as possible



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