Three patches which desperately need reviewers

All,

We're almost at the end of the CommitFest, and three patches have not
yet been reviewed:

lazy vxid locks
https://commitfest.postgresql.org/action/patch_view?id=585

sepgsql - userspace access vector cache
https://commitfest.postgresql.org/action/patch_view?id=578

Allow multiple Postgres clusters running on the same machine to
distinguish themselves in the event log
https://commitfest.postgresql.org/action/patch_view?id=562

Also, this patch has been updated and the original reviewer is not
available:

Add ability to constrain backend temporary file space
https://commitfest.postgresql.org/action/patch_view?id=533

The first two are difficult patches, but the other two are not.  Please
volunteer to give these patches a review; we owe it to our contributors
to review everything before the end of the CF.

--
Josh Berkus
PostgreSQL Experts Inc.
http://pgexperts.com