Re: [PERFORM] memory allocation

2017-10-19 Thread Laurenz Albe
nijam J wrote: > our server is getting too slow again and again Use "vmstat 1" and "iostat -mNx 1" to see if you are running out of memory, CPU capacity or I/O bandwith. Figure out if the slowness is due to slow queries or an overloaded system. Yours, Laurenz Albe -- Sent via pgsql-performanc

[PERFORM] memory allocation

2017-10-19 Thread nijam J
we are using cloud server *this are memory info* free -h total used free sharedbuffers cached Mem: 15G15G 197M 194M 121M14G -/+ buffers/cache: 926M14G Swap: 15G32M15G *this are

Re: [PERFORM] Memory Allocation (8 GB shared buffer limit on Ubuntu Hardy)

2009-01-06 Thread Frank Joerdens
On Wed, Jan 7, 2009 at 3:23 AM, Tom Lane wrote: > "Frank Joerdens" writes: >> then I take the request size value from the error and do >> echo 8810725376 > /proc/sys/kernel/shmmax >> and get the same error again. > > What about shmall? Yes that works, it was set to r...@db04:~# cat /proc/sys/ke

Re: [PERFORM] Memory Allocation (8 GB shared buffer limit on Ubuntu Hardy)

2009-01-06 Thread Tom Lane
"Frank Joerdens" writes: > then I take the request size value from the error and do > echo 8810725376 > /proc/sys/kernel/shmmax > and get the same error again. What about shmall? regards, tom lane -- Sent via pgsql-performance mailing list (pgsql-performance@postgresql.

Re: [PERFORM] Memory Allocation (8 GB shared buffer limit on Ubuntu Hardy)

2009-01-06 Thread Frank Joerdens
Tom Lane wrote: > "Ryan Hansen" writes: [...] >> but when I set the shared buffer in PG and restart >> the service, it fails if it's above about 8 GB. > > Fails how? And what PG version is that? The thread seems to end here as far as the specific question was concerned. I just ran into the same

Re: [PERFORM] Memory Allocation

2008-11-28 Thread Kevin Grittner
I'm hoping that through compare/contrast we might help someone start closer to their own best values >>> Scott Carey <[EMAIL PROTECTED]> wrote: > Tests with writes can trigger it earlier if combined with bad dirty_buffers > settings. We've never, ever modified dirty_buffers settings from

Re: [PERFORM] Memory Allocation

2008-11-26 Thread Scott Carey
; Scott Carey Subject: Re: [PERFORM] Memory Allocation >>> Scott Carey <[EMAIL PROTECTED]> wrote: > Set swappiness to 0 or 1. We recently converted all 72 remote county databases from 8.2.5 to 8.3.4. In preparation we ran a test conversion of a large county over and over with diffe

Re: [PERFORM] Memory Allocation

2008-11-26 Thread Kevin Grittner
>>> Scott Carey <[EMAIL PROTECTED]> wrote: > Set swappiness to 0 or 1. We recently converted all 72 remote county databases from 8.2.5 to 8.3.4. In preparation we ran a test conversion of a large county over and over with different settings to see what got us the best performance. Setting swap

Re: [PERFORM] Memory Allocation

2008-11-26 Thread Scott Carey
om: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Ryan Hansen Sent: Wednesday, November 26, 2008 2:10 PM To: pgsql-performance@postgresql.org Subject: [PERFORM] Memory Allocation Hey all, This may be more of a Linux question than a PG question, but I'm wondering if any of you have su

Re: [PERFORM] Memory Allocation

2008-11-26 Thread Tom Lane
"Ryan Hansen" <[EMAIL PROTECTED]> writes: > I have a fairly robust server running Ubuntu Hardy Heron, 24 GB of memory, > and I've tried to commit half the memory to PG's shared buffer, but it seems > to fail. I'm setting the kernel shared memory accordingly using sysctl, > which seems to work fine

Re: [PERFORM] Memory Allocation

2008-11-26 Thread Carlos Moreno
Ryan Hansen wrote: > > Hey all, > > This may be more of a Linux question than a PG question, but I’m > wondering if any of you have successfully allocated more than 8 GB of > memory to PG before. > > I have a fairly robust server running Ubuntu Hardy Heron, 24 GB of > memory, and I’ve tried to comm

Re: [PERFORM] Memory Allocation

2008-11-26 Thread Alan Hodgson
On Wednesday 26 November 2008, "Ryan Hansen" <[EMAIL PROTECTED]> wrote: > This may be more of a Linux question than a PG question, but I'm > wondering if any of you have successfully allocated more than 8 GB of > memory to PG before. > CentOS 5, 24GB shared_buffers on one server here. No problems

[PERFORM] Memory Allocation

2008-11-26 Thread Ryan Hansen
Hey all, This may be more of a Linux question than a PG question, but I'm wondering if any of you have successfully allocated more than 8 GB of memory to PG before. I have a fairly robust server running Ubuntu Hardy Heron, 24 GB of memory, and I've tried to commit half the memory to PG's sh

Re: [PERFORM] Memory allocation and Vacuum abends

2007-05-27 Thread Jim C. Nasby
What does top report as using the most memory? On Wed, May 23, 2007 at 11:01:24PM -0300, Leandro Guimar?es dos Santos wrote: > Hi all, > > > > I have a 4 CPU, 4GB Ram memory box running PostgreSql 8.2.3 under Win 2003 in > a very high IO intensive insert application. > > > > The applicati

[PERFORM] Memory allocation and Vacuum abends

2007-05-23 Thread Leandro Guimarães dos Santos
Hi all, I have a 4 CPU, 4GB Ram memory box running PostgreSql 8.2.3 under Win 2003 in a very high IO intensive insert application. The application inserts about 570 rows per minute or 9 rows per second. We have been facing some memory problem that we cannot understand. >From time t

Re: [PERFORM] memory allocation

2004-06-18 Thread Richard Huxton
Michael Ryan S. Puncia wrote: Hi everyone . How much memory should I give to the kernel and postgresql I have 1G of memory and 120G of HD Devrim's pointed you to a guide to the configuration file. There's also an introduction to performance tuning on the same site. An important thing to rememb

Re: [PERFORM] memory allocation

2004-06-18 Thread Devrim GUNDUZ
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Hi, On Fri, 18 Jun 2004, Michael Ryan S. Puncia wrote: > How much memory should I give to the kernel and postgresql > > I have 1G of memory and 120G of HD > > Shared Buffers = ? > > Vacuum Mem = ? Maybe you should read http://www.varlena.com/va

[PERFORM] memory allocation

2004-06-18 Thread Michael Ryan S. Puncia
Hi everyone .   How much memory should I give to the kernel and postgresql   I have 1G of memory and 120G of HD   Shared Buffers = ? Vacuum Mem = ? SHMAX = ?   Sorry I have so many question .I am a newbie L   I have 30G of data At least 30 simultaneus users But I will use it