Re: [PERFORM] Guidance Requested - Bulk Inserting + Queries

2011-12-21 Thread Benjamin Johnson
Jeff, Sorry for the delayed response. Please see (some) answers inline. On 12/1/2011 9:06 AM, Jeff Janes wrote: > On Wed, Nov 30, 2011 at 7:27 AM, Benjamin Johnson > wrote: >> Experts, >> >> Quick Summary: data can now be inserted very quickly via COPY + removing >> indexes, but is there a desi

Re: [PERFORM] Dramatic change in memory usage with version 9.1

2011-12-21 Thread Havasvölgyi Ottó
Hello, Can you find some relation between the memory usage and insert statements? 9.1.2 has memory problems with inserts (even the simplest ones) on Linux and Windows too, I could produce it. Using pgbench also shows it. Some memory is not reclaimed. I could produce it also with 8.4.9 on Linux, I

Re: [PERFORM] Dramatic change in memory usage with version 9.1

2011-12-21 Thread Kevin Grittner
Scott Marlowe wrote: > On Wed, Dec 21, 2011 at 10:50 AM, Rafael Martinez > wrote: >> As long as I know, all the databases are using the default, "read >> committed". > > Note that backups run in serializable mode. In 9.1 they default to running in "repeatable read". You can choose the --seria

Re: [PERFORM] Dramatic change in memory usage with version 9.1

2011-12-21 Thread Scott Marlowe
On Wed, Dec 21, 2011 at 10:50 AM, Rafael Martinez wrote: > As long as I know, all the databases are using the default, "read > committed". Note that backups run in serializable mode. -- Sent via pgsql-performance mailing list (pgsql-performance@postgresql.org) To make changes to your subscripti

Re: [PERFORM] Dramatic change in memory usage with version 9.1

2011-12-21 Thread Rafael Martinez
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 On 12/21/2011 12:48 AM, Craig Ringer wrote: > On 19/12/2011 11:04 PM, Rafael Martinez wrote: >> Any ideas about why this dramatic change in memory usage when the only >> thing apparently changed from our side is the postgres version? >> > It'd be inter

Re: [PERFORM] Dramatic change in memory usage with version 9.1

2011-12-21 Thread Rafael Martinez
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 On 12/20/2011 12:15 PM, Cédric Villemain wrote: > Le 19 décembre 2011 16:04, Rafael Martinez a écrit > : >> -BEGIN PGP SIGNED MESSAGE- >> Hash: SHA1 >> >> Hello >> >> I am sending this email to ask if anyone has noticed a change in how >> a s