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From "gaojinchao (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-4577) Region server reports storefileSizeMB bigger than storefileUncompressedSizeMB
Date Thu, 03 Nov 2011 13:49:33 GMT

    [ https://issues.apache.org/jira/browse/HBASE-4577?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13143172#comment-13143172
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gaojinchao commented on HBASE-4577:
-----------------------------------

I didn't find any exception log. It seems the test case has a bug.
Processing steps:
1. Creating table with 5 regions
2. Producing data base on 5 regions
3. Changing table to 15 regions
4. Loading data to new table
Some cases, the data of 1 region may become the data of 11 regions. but the parameter of hbase.bulkload.retries.number
is set to 10,we only try 10 time, some data can't load to the region.

If I am wrong, Please correct me! Thanks

I think we should change table to 14 rather than 15 regions in this case.

                
> Region server reports storefileSizeMB bigger than storefileUncompressedSizeMB
> -----------------------------------------------------------------------------
>
>                 Key: HBASE-4577
>                 URL: https://issues.apache.org/jira/browse/HBASE-4577
>             Project: HBase
>          Issue Type: Bug
>    Affects Versions: 0.92.0
>            Reporter: Jean-Daniel Cryans
>            Assignee: gaojinchao
>            Priority: Minor
>             Fix For: 0.92.0
>
>         Attachments: HBASE-4577_trial_Trunk.patch, HBASE-4577_trunk.patch
>
>
> Minor issue while looking at the RS metrics:
> bq. numberOfStorefiles=8, storefileUncompressedSizeMB=2418, storefileSizeMB=2420, compressionRatio=1.0008
> I guess there's a truncation somewhere when it's adding the numbers up.
> FWIW there's no compression on that table.

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