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Posted to issues@hbase.apache.org by "Rita M (Created) (JIRA)" <ji...@apache.org> on 2011/10/29 16:29:32 UTC

[jira] [Created] (HBASE-4702) Allow override of scan cache value -- currently hard coded

Allow override of scan cache value -- currently hard coded
----------------------------------------------------------

                 Key: HBASE-4702
                 URL: https://issues.apache.org/jira/browse/HBASE-4702
             Project: HBase
          Issue Type: Bug
    Affects Versions: 0.90.2
         Environment: Operating System: Linux

            Reporter: Rita M


Doing a row count for a large table via Mapreduce. Trying to set the default cache size but no knobs to tune it.

See here for more details, http://search-hadoop.com/m/ECEs6237AIX&subj=Re+speeding+up+rowcount





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[jira] [Commented] (HBASE-4702) Allow override of scan cache value for rowcounter

Posted by "Ted Yu (Commented) (JIRA)" <ji...@apache.org>.
    [ https://issues.apache.org/jira/browse/HBASE-4702?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13139452#comment-13139452 ] 

Ted Yu commented on HBASE-4702:
-------------------------------

Please comment on the initial attempt.
I allow mixing the specification of Scan attributes with column names.
Separator is semicolon for Scan attributes.
                
> Allow override of scan cache value for rowcounter
> -------------------------------------------------
>
>                 Key: HBASE-4702
>                 URL: https://issues.apache.org/jira/browse/HBASE-4702
>             Project: HBase
>          Issue Type: Bug
>    Affects Versions: 0.90.2
>         Environment: Operating System: Linux
>            Reporter: Rita M
>            Assignee: Ted Yu
>         Attachments: 4702.txt
>
>
> Doing a row count for a large table via Mapreduce may take long time.
> Trying to set the default cache size but there is no knob to tune it.
> See here for more details, http://search-hadoop.com/m/ECEs6237AIX&subj=Re+speeding+up+rowcount

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[jira] [Assigned] (HBASE-4702) Allow override of scan cache value for rowcounter

Posted by "Ted Yu (Assigned) (JIRA)" <ji...@apache.org>.
     [ https://issues.apache.org/jira/browse/HBASE-4702?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ted Yu reassigned HBASE-4702:
-----------------------------

    Assignee: Ted Yu
    
> Allow override of scan cache value for rowcounter
> -------------------------------------------------
>
>                 Key: HBASE-4702
>                 URL: https://issues.apache.org/jira/browse/HBASE-4702
>             Project: HBase
>          Issue Type: Bug
>    Affects Versions: 0.90.2
>         Environment: Operating System: Linux
>            Reporter: Rita M
>            Assignee: Ted Yu
>
> Doing a row count for a large table via Mapreduce may take long time.
> Trying to set the default cache size but there is no knob to tune it.
> See here for more details, http://search-hadoop.com/m/ECEs6237AIX&subj=Re+speeding+up+rowcount

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[jira] [Commented] (HBASE-4702) Allow override of scan cache value for rowcounter

Posted by "Jean-Daniel Cryans (Commented) (JIRA)" <ji...@apache.org>.
    [ https://issues.apache.org/jira/browse/HBASE-4702?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13140746#comment-13140746 ] 

Jean-Daniel Cryans commented on HBASE-4702:
-------------------------------------------

bq. Trying to set the default cache size but there is no knob to tune it.

Use -Dhbase.client.scanner.caching=x on the command line or set it in your hbase-site.xml
                
> Allow override of scan cache value for rowcounter
> -------------------------------------------------
>
>                 Key: HBASE-4702
>                 URL: https://issues.apache.org/jira/browse/HBASE-4702
>             Project: HBase
>          Issue Type: Bug
>    Affects Versions: 0.90.2
>         Environment: Operating System: Linux
>            Reporter: Rita M
>            Assignee: Ted Yu
>         Attachments: 4702.txt
>
>
> Doing a row count for a large table via Mapreduce may take long time.
> Trying to set the default cache size but there is no knob to tune it.
> See here for more details, http://search-hadoop.com/m/ECEs6237AIX&subj=Re+speeding+up+rowcount

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[jira] [Resolved] (HBASE-4702) Allow override of scan cache value for rowcounter

Posted by "Jesse Yates (JIRA)" <ji...@apache.org>.
     [ https://issues.apache.org/jira/browse/HBASE-4702?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jesse Yates resolved HBASE-4702.
--------------------------------

    Resolution: Won't Fix

Closing as won't fix as it looks like this isn't an issue.
                
> Allow override of scan cache value for rowcounter
> -------------------------------------------------
>
>                 Key: HBASE-4702
>                 URL: https://issues.apache.org/jira/browse/HBASE-4702
>             Project: HBase
>          Issue Type: Bug
>    Affects Versions: 0.90.2
>         Environment: Operating System: Linux
>            Reporter: Rita M
>            Assignee: Ted Yu
>         Attachments: 4702.txt
>
>
> Doing a row count for a large table via Mapreduce may take long time.
> Trying to set the default cache size but there is no knob to tune it.
> See here for more details, http://search-hadoop.com/m/ECEs6237AIX&subj=Re+speeding+up+rowcount

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[jira] [Updated] (HBASE-4702) Allow override of scan cache value for rowcounter

Posted by "Ted Yu (Updated) (JIRA)" <ji...@apache.org>.
     [ https://issues.apache.org/jira/browse/HBASE-4702?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ted Yu updated HBASE-4702:
--------------------------

    Attachment: 4702.txt
    
> Allow override of scan cache value for rowcounter
> -------------------------------------------------
>
>                 Key: HBASE-4702
>                 URL: https://issues.apache.org/jira/browse/HBASE-4702
>             Project: HBase
>          Issue Type: Bug
>    Affects Versions: 0.90.2
>         Environment: Operating System: Linux
>            Reporter: Rita M
>            Assignee: Ted Yu
>         Attachments: 4702.txt
>
>
> Doing a row count for a large table via Mapreduce may take long time.
> Trying to set the default cache size but there is no knob to tune it.
> See here for more details, http://search-hadoop.com/m/ECEs6237AIX&subj=Re+speeding+up+rowcount

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[jira] [Updated] (HBASE-4702) Allow override of scan cache value for rowcounter

Posted by "Ted Yu (Updated) (JIRA)" <ji...@apache.org>.
     [ https://issues.apache.org/jira/browse/HBASE-4702?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ted Yu updated HBASE-4702:
--------------------------

    Description: 
Doing a row count for a large table via Mapreduce may take long time.
Trying to set the default cache size but there is no knob to tune it.

See here for more details, http://search-hadoop.com/m/ECEs6237AIX&subj=Re+speeding+up+rowcount





  was:
Doing a row count for a large table via Mapreduce. Trying to set the default cache size but no knobs to tune it.

See here for more details, http://search-hadoop.com/m/ECEs6237AIX&subj=Re+speeding+up+rowcount





        Summary: Allow override of scan cache value for rowcounter  (was: Allow override of scan cache value -- currently hard coded)
    
> Allow override of scan cache value for rowcounter
> -------------------------------------------------
>
>                 Key: HBASE-4702
>                 URL: https://issues.apache.org/jira/browse/HBASE-4702
>             Project: HBase
>          Issue Type: Bug
>    Affects Versions: 0.90.2
>         Environment: Operating System: Linux
>            Reporter: Rita M
>
> Doing a row count for a large table via Mapreduce may take long time.
> Trying to set the default cache size but there is no knob to tune it.
> See here for more details, http://search-hadoop.com/m/ECEs6237AIX&subj=Re+speeding+up+rowcount

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