[jira] Commented: (HBASE-2256) Delete row, followed quickly to put of the same row will sometimes fail.

["Kevin Peterson (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HBASE-2256?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12859929#action_12859929 ] 

Kevin Peterson commented on HBASE-2256:
---------------------------------------

What if I could do something like this:

Put put1 = ...
HTable.put(put1);
Delete delete = new Delete(...).guaranteeAfter(put1);
HTable.delete(delete);
Put put2 = new Put(...).guaranteeAfter(delete);
HTable.put(put2)

It seems like the distributed case isn't a problem since it's so unlikely, but the delete then put seems more plausible. We could set the timestamp to 1ms after the delete if needed. The occasional write will get a timestamp a few ms in the future, which doesn't seem that bad. I think this solves Clint's requirement of seeing a correct view without explicitly messing with timestamps.

> Delete row, followed quickly to put of the same row will sometimes fail.
> ------------------------------------------------------------------------
>
>                 Key: HBASE-2256
>                 URL: https://issues.apache.org/jira/browse/HBASE-2256
>             Project: Hadoop HBase
>          Issue Type: Bug
>    Affects Versions: 0.20.3
>            Reporter: Clint Morgan
>         Attachments: hbase-2256.patch
>
>
> Doing a Delete of a whole row, followed immediately by a put to that row will sometimes miss a cell. Attached is a test to provoke the issue.

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