TODO list for PostgreSQL
========================
-Last updated: Wed Sep 5 23:46:02 EDT 2001
+Last updated: Thu Sep 6 12:50:35 EDT 2001
Current maintainer: Bruce Momjian (pgman@candle.pha.pa.us)
* Allow logging of query durations
* Add hash for evaluating GROUP BY aggregates
* -Read pg_hba.conf only on postmaster startup or SIGHUP (Bruce)
-* Improve spinlock code
+* Improve spinlock code [performance]
o use SysV semaphores or queue of backends waiting on the lock
o wakeup sleeper or sleep for less than one clock tick
o spin for lock on multi-cpu machines, yield on single cpu machines