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Posted to dev@hbase.apache.org by Ryan Rawson <ry...@gmail.com> on 2009/06/24 01:08:15 UTC

Re: [jira] Commented: (HBASE-1563) incrementColumnValue does not write to WAL

The old code did a row lock and was fast

On Jun 23, 2009 4:03 PM, "stack (JIRA)" <ji...@apache.org> wrote:

   [
https://issues.apache.org/jira/browse/HBASE-1563?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12723344#action_12723344]

stack commented on HBASE-1563: ------------------------------
Patch looks good except for the identified weirdness where we write to WAL
after the update.  To do this properly you'd need to row lock and make a
copy.  Is that too onerous a price to pay?

> incrementColumnValue does not write to WAL >
------------------------------------------ > > ...
>         Attachments: HBASE-1563-v1.patch, HBASE-1563-v2.patch,
HBASE-1563-v3.patch

> > > Incrementing never writes to the WAL. Under failure scenarios, you
will lose all increments s...