DBERROR db3: 4 lockers

Rob Siemborski rjs3 at andrew.cmu.edu
Thu Sep 25 20:26:01 EDT 2003


On Thu, 25 Sep 2003, Andrew Brink wrote:

> Im just curious because we have been experience high DB lockers, and I
> can't recall if we dumped and undumped when we migrated to 2.x. (It was
> sometime ago) I guess a better question would be, would it work at all
> if we didn't?

The dump/undump is just to change the format between flat/berkeley
db/skiplist/whatever.  It wouldn't work at all if you aren't using the
right format.

If you are using Berkeley DB for the mailbox list, however, that's likely
to be the cause of the (often harmless) locker messages.  All they
indicate is that a conflict occured accessing one page of the database.

-Rob

-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
Rob Siemborski * Andrew Systems Group * Cyert Hall 207 * 412-268-7456
Research Systems Programmer * /usr/contributed Gatekeeper





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