[HACKERS] Re: refusing connections based on load ...

2001-04-24 Thread Nathan Myers
On Tue, Apr 24, 2001 at 11:28:17PM -0300, The Hermit Hacker wrote: > I have a Dual-866, 1gig of RAM and strip'd file systems ... this past > week, I've hit many times where CPU usage is 100%, RAM is 500Meg free and > disks are pretty much sitting idle ... Assuming "strip'd" above means "striped",

[HACKERS] Re: Re: Re: refusing connections based on load ...

2001-04-24 Thread Lincoln Yeoh
At 11:28 PM 24-04-2001 -0300, The Hermit Hacker wrote: > >I have a Dual-866, 1gig of RAM and strip'd file systems ... this past >week, I've hit many times where CPU usage is 100%, RAM is 500Meg free and >disks are pretty much sitting idle ... > >It turns out, in this case, that vacuum was in order

Re: [HACKERS] pg_dump

2001-04-24 Thread Philip Warner
At 12:04 25/04/01 +1000, Philip Warner wrote: > >it won't currently work if >multiple dumps are being sent to stdout. This latter could be fixed (at least for 'c' format) by modifying pg_dump to use open/read/write/lseek instead of fopen/fread/fwrite/fseek etc. -

Re: [HACKERS] Re: Re: refusing connections based on load ...

2001-04-24 Thread The Hermit Hacker
On Wed, 25 Apr 2001, Lincoln Yeoh wrote: > At 10:59 PM 23-04-2001 -0700, Nathan Myers wrote: > >On Tue, Apr 24, 2001 at 12:39:29PM +0800, Lincoln Yeoh wrote: > >> Why not be more deterministic about refusing connections and stick > >> to reducing max clients? If not it seems like a case where you

Re: [HACKERS] pg_dump

2001-04-24 Thread Philip Warner
At 10:00 25/04/01 +0900, Tatsuo Ishii wrote: >Does anybody know: > >1) Is the tar/custom format of pg_dump is portable accross different > platforms? It's supposed to be; if it's not, it's a bug. >2) if I want to dump out all of database cluster contents including > large objects, is follow

[HACKERS] Re: Re: refusing connections based on load ...

2001-04-24 Thread Lincoln Yeoh
At 10:59 PM 23-04-2001 -0700, Nathan Myers wrote: >On Tue, Apr 24, 2001 at 12:39:29PM +0800, Lincoln Yeoh wrote: >> Why not be more deterministic about refusing connections and stick >> to reducing max clients? If not it seems like a case where you're >> promised something but when you need it, yo

[HACKERS] pg_dump

2001-04-24 Thread Tatsuo Ishii
Does anybody know: 1) Is the tar/custom format of pg_dump is portable accross different platforms? 2) if I want to dump out all of database cluster contents including large objects, is following procedure correct? (dump procedure) pg_dumpall -g pg_dump -F c for each database

Re: [HACKERS] start / stop scripts question

2001-04-24 Thread Lamar Owen
Bruce Momjian wrote: > > I would like to know myself. I just did a recursive grep of the entire > PostgreSQL tree and don't see it. My guess is that it is part of the > RPM. Not sure who to report that to. I know Lamar Owen works on it, > but I don't know if he is the contact. Yes, that woul

Re: [HACKERS] start / stop scripts question

2001-04-24 Thread Bruce Momjian
I would like to know myself. I just did a recursive grep of the entire PostgreSQL tree and don't see it. My guess is that it is part of the RPM. Not sure who to report that to. I know Lamar Owen works on it, but I don't know if he is the contact. [ Charset ISO-8859-1 unsupported, converting.

RE: [HACKERS] start / stop scripts question

2001-04-24 Thread Rachit Siamwalla
who is it distributed by then? it was on the postgres ftp mirror sites, so it probably can't be redhat. I have found workarounds, so its not a big deal, but... Also, i wonder what else is different from this package from the "real" source distribution. I am sorry if this has been discussed or expl

Re: [HACKERS] RI oddness

2001-04-24 Thread Jan Wieck
Max Khon wrote: > hi, there! > > On Mon, 23 Apr 2001, Jan Wieck wrote: > > > I just got trapped by one of my own features in the > > referential integrity area. > > > > The problem is, that the trigger run on the FK row at UPDATE > > allways checks and locks the refer

Re: [HACKERS] refusing connections based on load ...

2001-04-24 Thread Peter Eisentraut
Doug McNaught writes: > A very valid objection. I'm also dubious as to the utility of the > whole concept. What happens when Sendmail refuses a message based on > load? It is requeued on the sending end to be tried later. What > happens when PG refuses a new client connection based on load?

Re: [HACKERS] refusing connections based on load ...

2001-04-24 Thread Jan Wieck
Doug McNaught wrote: > A very valid objection. I'm also dubious as to the utility of the > whole concept. What happens when Sendmail refuses a message based on > load? It is requeued on the sending end to be tried later. What > happens when PG refuses a new client connection based on load? Th

Re: [HACKERS] refusing connections based on load ...

2001-04-24 Thread The Hermit Hacker
Apparently so under Solaris ... hestia:/> uname -a SunOS hestia 5.7 Generic_106542-12 i86pc i386 i86pc C Library Functionsgetloadavg(3C) NAME getloadavg - get system load averages SYNOPSIS #include int getloadavg(double loadavg[], int nelem);

[HACKERS] Re: OUTER JOIN vs UNION ... faster?

2001-04-24 Thread Thomas Lockhart
> SELECT card_info.main_cat, category_details.sub_cat_flag,count(*) > FROM send0,card_info,category_details > WHERE send0.card_id=card_info.card_id >AND category_details.mcategory='e-cards' >AND card_info.main_cat=category_details.category >AND send_date >= '2001/04/08' >AND sen

Re: [HACKERS] refusing connections based on load ...

2001-04-24 Thread Peter Eisentraut
Tom Lane writes: > The Hermit Hacker <[EMAIL PROTECTED]> writes: > > sendmail does it now, and, apparently relatively portable across OSs ... > > sendmail expects to be root. It's unlikely (and very undesirable) that > postgres will be installed with adequate privileges to read /dev/kmem, > whic

Re: [HACKERS] start / stop scripts question

2001-04-24 Thread Bruce Momjian
You will find that that script is not distributed by us. [ Charset ISO-8859-1 unsupported, converting... ] > > Hi, > > I believe i found two minor bugs in the linux start/stop scripts for the > downloadable rpm version of postgres 7.1. I don't think these have been > reported already (i did som

Re: [HACKERS] concurrent Postgres on NUMA - howto ?

2001-04-24 Thread Mauricio Breternitz
Tom: Notice that WriteBuffer would just put the fresh copy of the page out in the shared space. Other backends would get the latest copy of the page when THEY execute BufferAlloc() afterwards. [Remember, backends would not have a local buffer cache, only (temporary) copies of one buffer pe

Re: [HACKERS] RI oddness

2001-04-24 Thread Max Khon
hi, there! On Mon, 23 Apr 2001, Jan Wieck wrote: > I just got trapped by one of my own features in the > referential integrity area. > > The problem is, that the trigger run on the FK row at UPDATE > allways checks and locks the referenced PK, even if the FK >

[HACKERS] OUTER JOIN vs UNION ... faster?

2001-04-24 Thread The Hermit Hacker
Got a query that looks like: SELECT card_info.main_cat, category_details.sub_cat_flag,count(*) FROM send0,card_info,category_details WHERE send0.card_id=card_info.card_id AND category_details.mcategory='e-cards' A

Re: [HACKERS] Look what book I found

2001-04-24 Thread Hannu Krosing
Bruce Momjian wrote: > > Postgresql Programmer's Guide > by Thomas Lockhart, Thomas Lochart (Editor) > > >http://www.amazon.com/exec/obidos/ASIN/0595149170/ref=pd_sim_elt_l1/107-6921356-0996510 Oh! Have you changed the PostgreSQL logo to an unplugged old macintosh mouse ? -