Performance
-----------
scalable LWLocks
Generic atomics implementation Both under active discussion.
KNN-GiST with recheck
Partial sort Some earlier discussion, but no conclusions, and as far as I know nobody is working on these patches
atthe moment.
lowering array_agg memory requirements I'm waiting to hear from Tomas if he expects to post an updated version of
thepatch soon. Otherwise I'll move it to 2014-08.
Don't require a NBuffer sized PrivateRefCount array of local buffer pins Pending performance tests before commit. Is
anyoneworking on this?
Allow more join types to be removed Updated patch pending review from Simon. Updates welcome.
Sort support for text with strxfrm() poor man's keys Lots of earlier discussion, but no conclusions as far as I can
tell. Does anyone want to take a look at this?
Scaling shared buffer eviction Pending review by Andres. Any updates?
Spread shared memory across NUMA memory nodes Marked waiting on author, but status unclear. Any updates?
Use unique index for longer pathkeys No reviews, no reviewers. I took a quick look, and it's not clear if this is
usefulin itself, or if it just enables more interesting optimisations later. Does anyone want to look at this?
XLogLockBlockRangeForCleanup Amit Khandekar plans to post a review this week.
SKIP LOCKED Two patches available: original by Simon, updated/merged version by Thomas Munro. Simon said he'll look
intoboth with a view towards committing the functionality. Timeline not yet clear.
Allow NOT IN to use anti joins Revised patch marked pending review. Updates welcome.
CSN snapshots Work in progress, plenty of discussion, no reviews. Probably nothing to do here. (Heikki, are you
waitingfor feedback or anything?)
There's not even one "ready for committer" patch in this category.
-- Abhijit