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Posted to issues@hbase.apache.org by "Lars Hofhansl (Commented) (JIRA)" <ji...@apache.org> on 2012/03/13 01:40:37 UTC
[jira] [Commented] (HBASE-5559) --presplit option creates a first
split with rowkey-end=0
[ https://issues.apache.org/jira/browse/HBASE-5559?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13228093#comment-13228093 ]
Lars Hofhansl commented on HBASE-5559:
--------------------------------------
Shouldn't this rather be [20, 40, 60, 80] to demarcate 5 regions?
The first region holds keys <20, the 2nd [20, 40), and so on, and the last one holds key >= 80.
> --presplit option creates a first split with rowkey-end=0
> ---------------------------------------------------------
>
> Key: HBASE-5559
> URL: https://issues.apache.org/jira/browse/HBASE-5559
> Project: HBase
> Issue Type: Bug
> Components: util
> Reporter: Sujee Maniyam
> Assignee: Sujee Maniyam
> Priority: Trivial
> Labels: benchmark
> Attachments: 5559_v1.patch
>
>
> HBASE-4440 adds a 'presplit' option to PerformanceEvaluation utility.
> when the splits are generated, the first split has row-end-key=0 (zero). Hence this split doesn't get any data.
> For example,
> if total keyspace is 100, and splits requested are 5,
> generated splits => [0, 20, 40, 60, 80]
> it should be => [20, 40, 60, 80, 100]
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