Re: [HACKERS] Pre-allocation of shared memory ...

2003-06-12 Thread Jon Lapham
s to be "Heuristic overcommit handling". It seems that what we want is "vm.overcommit_memory = 3" for paranoid overcommit. Thanks for getting to the bottom of this Tom. It *is* insane that the default isn't "paranoid overcommit". -- -**-*-*---*-*---*-*---*-*

Re: [HACKERS] Pre-allocation of shared memory ...

2003-06-12 Thread Jon Lapham
ns such as "suspend process, write image to file" and "increase swap space" assume available disk space, which is obviously not guaranteed to be avaliable. -- -**-*-*---*-*---*-*---*-*-*-*---*-*---*-*-*-*-*--- Jon Lapham <[EMAIL PROTECTED]> Ri

Re: [HACKERS] Odd rule behavior?

2001-08-30 Thread Jon Lapham
an Weick is the author of the Chapter 17 documentation, I guess I can send text to Jan. -- -**-*-*---*-*---*-*---*-*-*-*---*-*---*-*-*-*-*--- Jon Lapham Extracta Moléculas Naturais, Rio de Jane

[HACKERS] Odd rule behavior?

2001-08-29 Thread Jon Lapham
t; (changes such that ALTER TABLE isn't able to help). TIA, Jon -- -**-*-*---*-*---*-*---*-----*-*-----*---*-*---*-*-*-*-*--- Jon Lapham Extracta Moléculas Naturais, Rio de Janeiro, Brasil email: [EMA

Re: [HACKERS] Problem with a rule on upgrade to v7.1.1

2001-05-11 Thread Jon Lapham
possible to have EXPLAIN flag this type of problem? Remember, the EXPLAIN output for 7.1RC1 and 7.1.1 were identical. -- -**-*-*---*-*---*-*---*-*-*-*---*-*---*-*-*-*-*--- Jon Lapham Extracta Moléculas Naturais, Rio de Janeiro, Brasil email: [EMAIL PROTECTED] web

Re: [HACKERS] Problem with a rule on upgrade to v7.1.1

2001-05-11 Thread Jon Lapham
QUERY PLAN: Seq Scan on tplantorgan (cost=0.00..237.30 rows=1 width=103) EXPLAIN main_v0_8=# update tplantorgan set active='f' where sampleid=100430; UPDATE 1 main_v0_8=# select active from tplantorgan where sampleid=100430; active f (1 row) -- -**-*-*---*-*

Re: [HACKERS] Problem with a rule on upgrade to v7.1.1

2001-05-10 Thread Jon Lapham
AIN data for a v7.1RC1 db. -- -**-*-*---*-*---*-*---*-*-*-*---*-*---*-----*-*-*-*--- Jon Lapham Extracta Moléculas Naturais, Rio de Janeiro, Brasil email: [EMAIL PROTECTED] web: http://www.extracta.com.br/ ***-*--**---***--- ---(end of broadcast)--

Re: [HACKERS] Problem with a rule on upgrade to v7.1.1

2001-05-10 Thread Jon Lapham
On Thu, May 10, 2001 at 05:56:11PM -0400, Tom Lane wrote: > Jon Lapham <[EMAIL PROTECTED]> writes: > > Yesterday I upgraded my database from Pg v7.1RC1 to v7.1.1. Since this > > upgrade, I have been having unbelievable performance problems with updates > > to a particu

[HACKERS] Problem with a rule on upgrade to v7.1.1

2001-05-10 Thread Jon Lapham
n using child_pkey on child (cost=0.00..8.16 rows=5 width=4) -> Index Scan using parent_pkey on parent (cost=0.00..8.16 rows=5 width=10) NOTICE: QUERY PLAN: Index Scan using child_pkey on child (cost=0.00..8.14 rows=10 width=14) -- -**-*-*---*-*---*-*---*-*-*-*---*-*---*-*-*-*-*--- Jon