Skip site navigation (1) Skip section navigation (2)

RE: pgsql/src/backend/storage/lmgr (lmgr.c lock.c proc.c README)

From: "Hiroshi Inoue" <Inoue(at)tpf(dot)co(dot)jp>
To: "Tom Lane" <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: <pgsql-committers(at)postgresql(dot)org>
Subject: RE: pgsql/src/backend/storage/lmgr (lmgr.c lock.c proc.c README)
Date: 2001-01-12 23:59:41
Message-ID: EKEJJICOHDIEMGPNIFIJIELGDEAA.Inoue@tpf.co.jp (view raw or flat)
Thread:
Lists: pgsql-committers
> -----Original Message-----
> From: tgl(at)postgresql(dot)org
> Sent: Friday, December 22, 2000 9:52 AM
> To: pgsql-committers(at)postgresql(dot)org
> Subject: [COMMITTERS] pgsql/src/backend/storage/lmgr (lmgr.c lock.c
> proc.c README)
> 
> -----------------------------  Log Message  -----------------------------
> 
> Revise lock manager to support "session level" locks as well as 
> "transaction
> level" locks.

[snip] 

> I also took this opportunity to do some cleanup and renaming in the lock
> code.  The previously noted bug in ProcLockWakeup, that it 
> couldn't wake up
> any waiters beyond the first non-wakeable waiter, is now fixed.  

I've just noticed that this changed a locking behabior.
For example, VACUUM could hardly acquire the lock
while other backends frequently access the target table.

Regards.
Hiroshi Inoue 

In response to

Responses

pgsql-committers by date

Next:From: Tom LaneDate: 2001-01-13 00:26:49
Subject: Re: pgsql/src/backend/storage/lmgr (lmgr.c lock.c proc.c README)
Previous:From: petereDate: 2001-01-12 22:36:58
Subject: pgsql/contrib/intarray (Makefile.703)

Privacy Policy | About PostgreSQL
Copyright © 1996-2014 The PostgreSQL Global Development Group