[jira] [Commented] (HBASE-5577) improve 'patch submission' section in HBase book

2012-03-27 Thread Sujee Maniyam (Commented) (JIRA)

[ 
https://issues.apache.org/jira/browse/HBASE-5577?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13240052#comment-13240052
 ] 

Sujee Maniyam commented on HBASE-5577:
--

hmm, looks like build system is trying to apply this 'patch' against trunk.
should I have pasted the doc-changes, in the comment section?

> improve 'patch submission' section in HBase book
> 
>
> Key: HBASE-5577
> URL: https://issues.apache.org/jira/browse/HBASE-5577
> Project: HBase
>  Issue Type: Improvement
>  Components: documentation
>Reporter: Sujee Maniyam
>Assignee: Sujee Maniyam
>  Labels: documentation
> Attachments: HBASE-5577-v1.txt, HBASE-5577-v2.txt
>
>
> Improve patch section in the book 
> http://hbase.apache.org/book/submitting.patches.html

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[jira] [Commented] (HBASE-4440) add an option to presplit table to PerformanceEvaluation

2012-01-11 Thread Sujee Maniyam (Commented) (JIRA)

[ 
https://issues.apache.org/jira/browse/HBASE-4440?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13184329#comment-13184329
 ] 

Sujee Maniyam commented on HBASE-4440:
--

sounds good.  I will submit a patch.

couple of newbie logistical questions:

1) should I create a new patch against the trunk?  the original patch is 
already committed in trunk / 0.94.

2) do I leave old patch attachments in the JIRA or should I delete them (to 
reduce clutter)

thanks JD

> add an option to presplit table to PerformanceEvaluation
> 
>
> Key: HBASE-4440
> URL: https://issues.apache.org/jira/browse/HBASE-4440
> Project: HBase
>  Issue Type: Improvement
>  Components: util
>Reporter: Sujee Maniyam
>Assignee: Sujee Maniyam
>Priority: Minor
>  Labels: benchmark
> Fix For: 0.94.0
>
> Attachments: PerformanceEvaluation.java, 
> PerformanceEvaluation_HBASE_4440.patch, 
> PerformanceEvaluation_HBASE_4440_2.patch
>
>
> PerformanceEvaluation a quick way to 'benchmark' a HBase cluster.  The 
> current 'write*' operations do not pre-split the table.  Pre splitting the 
> table will really boost the insert performance.
> It would be nice to have an option to enable pre-splitting table before the 
> inserts begin.
> it would look something like:
> (a) hbase ...PerformanceEvaluation   --presplit=10 
> (b) hbase ...PerformanceEvaluation   --presplit 
> (b) will try to presplit the table on some default value (say number of 
> region servers)

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[jira] [Commented] (HBASE-4440) add an option to presplit table to PerformanceEvaluation

2012-01-11 Thread Sujee Maniyam (Commented) (JIRA)

[ 
https://issues.apache.org/jira/browse/HBASE-4440?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13184309#comment-13184309
 ] 

Sujee Maniyam commented on HBASE-4440:
--

I see.  looks good.
If the table exists, and presplit option is supplied, it will have no effect.  
It might mislead the user in believing the pre-split option took effect, while 
in fact it didn't.
may be a WARN would suffice to notify the user?

> add an option to presplit table to PerformanceEvaluation
> 
>
> Key: HBASE-4440
> URL: https://issues.apache.org/jira/browse/HBASE-4440
> Project: HBase
>  Issue Type: Improvement
>  Components: util
>Reporter: Sujee Maniyam
>Assignee: Sujee Maniyam
>Priority: Minor
>  Labels: benchmark
> Fix For: 0.94.0
>
> Attachments: PerformanceEvaluation.java, 
> PerformanceEvaluation_HBASE_4440.patch, 
> PerformanceEvaluation_HBASE_4440_2.patch
>
>
> PerformanceEvaluation a quick way to 'benchmark' a HBase cluster.  The 
> current 'write*' operations do not pre-split the table.  Pre splitting the 
> table will really boost the insert performance.
> It would be nice to have an option to enable pre-splitting table before the 
> inserts begin.
> it would look something like:
> (a) hbase ...PerformanceEvaluation   --presplit=10 
> (b) hbase ...PerformanceEvaluation   --presplit 
> (b) will try to presplit the table on some default value (say number of 
> region servers)

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[jira] [Commented] (HBASE-4440) add an option to presplit table to PerformanceEvaluation

2012-01-11 Thread Sujee Maniyam (Commented) (JIRA)

[ 
https://issues.apache.org/jira/browse/HBASE-4440?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13184284#comment-13184284
 ] 

Sujee Maniyam commented on HBASE-4440:
--

so you are proposing that  

1) whether we use presplit option or not, table has to be recreated for all 
write-mode tests.  

This changes the behavior for all write-tests.   Currently table is only 
created if it doesn't exist.

2) or pre-split should try to split the table without re-creating it.




> add an option to presplit table to PerformanceEvaluation
> 
>
> Key: HBASE-4440
> URL: https://issues.apache.org/jira/browse/HBASE-4440
> Project: HBase
>  Issue Type: Improvement
>  Components: util
>Reporter: Sujee Maniyam
>Assignee: Sujee Maniyam
>Priority: Minor
>  Labels: benchmark
> Fix For: 0.94.0
>
> Attachments: PerformanceEvaluation.java, 
> PerformanceEvaluation_HBASE_4440.patch, 
> PerformanceEvaluation_HBASE_4440_2.patch
>
>
> PerformanceEvaluation a quick way to 'benchmark' a HBase cluster.  The 
> current 'write*' operations do not pre-split the table.  Pre splitting the 
> table will really boost the insert performance.
> It would be nice to have an option to enable pre-splitting table before the 
> inserts begin.
> it would look something like:
> (a) hbase ...PerformanceEvaluation   --presplit=10 
> (b) hbase ...PerformanceEvaluation   --presplit 
> (b) will try to presplit the table on some default value (say number of 
> region servers)

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[jira] [Commented] (HBASE-4440) add an option to presplit table to PerformanceEvaluation

2012-01-10 Thread Sujee Maniyam (Commented) (JIRA)

[ 
https://issues.apache.org/jira/browse/HBASE-4440?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13183805#comment-13183805
 ] 

Sujee Maniyam commented on HBASE-4440:
--

@JD
--presplit  drops and re-creates the table with splits.
is this what you mean?

> add an option to presplit table to PerformanceEvaluation
> 
>
> Key: HBASE-4440
> URL: https://issues.apache.org/jira/browse/HBASE-4440
> Project: HBase
>  Issue Type: Improvement
>  Components: util
>Reporter: Sujee Maniyam
>Assignee: Sujee Maniyam
>Priority: Minor
>  Labels: benchmark
> Fix For: 0.94.0
>
> Attachments: PerformanceEvaluation.java, 
> PerformanceEvaluation_HBASE_4440.patch, 
> PerformanceEvaluation_HBASE_4440_2.patch
>
>
> PerformanceEvaluation a quick way to 'benchmark' a HBase cluster.  The 
> current 'write*' operations do not pre-split the table.  Pre splitting the 
> table will really boost the insert performance.
> It would be nice to have an option to enable pre-splitting table before the 
> inserts begin.
> it would look something like:
> (a) hbase ...PerformanceEvaluation   --presplit=10 
> (b) hbase ...PerformanceEvaluation   --presplit 
> (b) will try to presplit the table on some default value (say number of 
> region servers)

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