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https://issues.apache.org/jira/browse/HADOOP-2698?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12562109#action_12562109
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Jim Kellerman commented on HADOOP-2698:
---------------------------------------

It appears that we are not cleaning out all the possible cells when a region is 
deleted.

> [hbase] hregioninfo cell empty in meta table
> --------------------------------------------
>
>                 Key: HADOOP-2698
>                 URL: https://issues.apache.org/jira/browse/HADOOP-2698
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: contrib/hbase
>            Reporter: stack
>            Priority: Minor
>
> When we notice one of these, instead of reporting on it over and over -- see 
> below -- lets just axe the whole row.   Its never going to get better on its 
> own.  We should also figure how these horked rows get manufactured.  Below is 
> about split cells but also instances where servercode and servername are all 
> thats left in a row.
> {code}
> 2008-01-24 02:01:02,761 WARN org.apache.hadoop.hbase.HMaster:
> info:regioninfo is empty; has keys: [info:splitA, info:splitB]
> 2008-01-24 02:01:02,761 WARN org.apache.hadoop.hbase.HMaster:
> info:regioninfo is empty; has keys: [info:splitA]
> 2008-01-24 02:01:02,762 WARN org.apache.hadoop.hbase.HMaster:
> info:regioninfo is empty; has keys: [info:splitA]
> 2008-01-24 02:01:02,762 WARN org.apache.hadoop.hbase.HMaster:
> info:regioninfo is empty; has keys: [info:splitA]
> 2008-01-24 02:01:02,762 WARN org.apache.hadoop.hbase.HMaster:
> info:regioninfo is empty; has keys: [info:splitA]
> 2008-01-24 02:01:02,763 WARN org.apache.hadoop.hbase.HMaster:
> info:regioninfo is empty; has keys: [info:splitB]
> 2008-01-24 02:01:02,763 WARN org.apache.hadoop.hbase.HMaster:
> info:regioninfo is empty; has keys: [info:splitA, info:splitB]
> 2008-01-24 02:01:02,763 WARN org.apache.hadoop.hbase.HMaster:
> info:regioninfo is empty; has keys: [info:splitA, info:splitB]
> 2008-01-24 02:01:02,764 WARN org.apache.hadoop.hbase.HMaster:
> info:regioninfo is empty; has keys: [info:splitA]
> 2008-01-24 02:01:02,764 WARN org.apache.hadoop.hbase.HMaster:
> info:regioninfo is empty; has keys: [info:splitA, info:splitB]
> 2008-01-24 02:01:02,764 WARN org.apache.hadoop.hbase.HMaster:
> info:regioninfo is empty; has keys: [info:splitB]
> 2008-01-24 02:01:02,765 WARN org.apache.hadoop.hbase.HMaster:
> info:regioninfo is empty; has keys: [info:splitA]
> 2008-01-24 02:01:02,765 WARN org.apache.hadoop.hbase.HMaster:
> info:regioninfo is empty; has keys: [info:splitA]
> 2008-01-24 02:01:02,765 WARN org.apache.hadoop.hbase.HMaster:
> info:regioninfo is empty; has keys: [info:splitA]
> 2008-01-24 02:01:02,766 WARN org.apache.hadoop.hbase.HMaster:
> info:regioninfo is empty; has keys: [info:splitA, info:splitB]
> 2008-01-24 02:01:02,766 WARN org.apache.hadoop.hbase.HMaster:
> info:regioninfo is empty; has keys: [info:splitA, info:splitB]
> 2008-01-24 02:01:02,766 WARN org.apache.hadoop.hbase.HMaster:
> info:regioninfo is empty; has keys: [info:splitB]
> 2008-01-24 02:01:02,767 WARN org.apache.hadoop.hbase.HMaster:
> info:regioninfo is empty; has keys: [info:splitA, info:splitB]
> 2008-01-24 02:01:02,767 WARN org.apache.hadoop.hbase.HMaster:
> info:regioninfo is empty; has keys: [info:splitB]
> 2008-01-24 02:01:02,767 WARN org.apache.hadoop.hbase.HMaster:
> info:regioninfo is empty; has keys: [info:splitA, info:splitB]
> 2008-01-24 02:01:02,768 WARN org.apache.hadoop.hbase.HMaster:
> info:regioninfo is empty; has keys: [info:splitB]
> 2008-01-24 02:01:02,768 WARN org.apache.hadoop.hbase.HMaster:
> info:regioninfo is empty; has keys: [info:splitB]
> 2008-01-24 02:01:02,768 WARN org.apache.hadoop.hbase.HMaster:
> info:regioninfo is empty; has keys: [info:splitA, info:splitB]
> 2008-01-24 02:01:02,769 WARN org.apache.hadoop.hbase.HMaster:
> info:regioninfo is empty; has keys: [info:splitA, info:splitB]
> 2008-01-24 02:01:02,769 WARN org.apache.hadoop.hbase.HMaster:
> info:regioninfo is empty; has keys: [info:splitA]
> 2008-01-24 02:01:02,769 WARN org.apache.hadoop.hbase.HMaster:
> info:regioninfo is empty; has keys: [info:splitA, info:splitB]
> 2008-01-24 02:01:02,770 WARN org.apache.hadoop.hbase.HMaster:
> info:regioninfo is empty; has keys: [info:splitA, info:splitB]
> 2008-01-24 02:01:02,770 WARN org.apache.hadoop.hbase.HMaster:
> info:regioninfo is empty; has keys: [info:splitA]
> 2008-01-24 02:01:02,771 WARN org.apache.hadoop.hbase.HMaster:
> info:regioninfo is empty; has keys: [info:splitA, info:splitB]
> 2008-01-24 02:01:02,771 WARN org.apache.hadoop.hbase.HMaster:
> info:regioninfo is empty; has keys: [info:splitB]
> 2008-01-24 02:01:02,771 WARN org.apache.hadoop.hbase.HMaster:
> info:regioninfo is empty; has keys: [info:splitA, info:splitB]
> 2008-01-24 02:01:02,772 WARN org.apache.hadoop.hbase.HMaster:
> info:regioninfo is empty; has keys: [info:splitA]
> {code}

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