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From Davey Yan <davey....@gmail.com>
Subject Re: How to set rolling region split size?
Date Wed, 14 Nov 2012 08:24:14 GMT
Are the options 'firstrow' and 'lastrow'  what you want?

I have noticed that the '_balancedSplit' file was still there, so ...
you must got this:
https://issues.apache.org/jira/browse/HBASE-7138

On Fri, Nov 9, 2012 at 3:47 PM, Cheng Su <scarcer.cn@gmail.com> wrote:
> Hi, all
>
>     My cluster uses hbase 0.92.0.
>     I'm now trying to split some big regions manually. (I configured
> region file size to 20G)
>     I ran it like this:
> hbase org.apache.hadoop.hbase.util.RegionSplitter statistic_visit1 -r -o 2
>
>     Before I split, the table statistic_visit1 has only one region:
> [hadoop@hadoop01 ~]$ hadoop dfs -du /hbase/statistic_visit1
> Found 3 items
> 5161         hdfs://hadoop01:51001/hbase/statistic_visit1/.tableinfo.0000000001
> 0            hdfs://hadoop01:51001/hbase/statistic_visit1/.tmp
> 58234791267  hdfs://hadoop01:51001/hbase/statistic_visit1/e15d089574adaeacaf75fd8e1277ce2d
>
>     And after the split is done,
> [hadoop@hadoop01 ~]$ hadoop dfs -du /hbase/statistic_visit1
> Found 6 items
> 5161         hdfs://hadoop01:51001/hbase/statistic_visit1/.tableinfo.0000000001
> 0            hdfs://hadoop01:51001/hbase/statistic_visit1/.tmp
> 58234783527  hdfs://hadoop01:51001/hbase/statistic_visit1/0eae290663e59659fc728333d0b18b47
> 287          hdfs://hadoop01:51001/hbase/statistic_visit1/7865a928112751bcf27fce2cc8304441
> 80           hdfs://hadoop01:51001/hbase/statistic_visit1/_balancedSplit
> 58234787479  hdfs://hadoop01:51001/hbase/statistic_visit1/e15d089574adaeacaf75fd8e1277ce2d
>
>     Does the split result look fine? And how can I get more regions?
>
>     And is there any danger, if I resize the region file size setting
> to a smaller value? (like 5G)
>
>     Thanks.
> --
>
> Regards,
> Cheng Su



-- 
Davey Yan

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