Re: [PERFORM] PostgreSQL 9.0.4 blocking in lseek?

2011-12-29 Thread Matteo Beccati
On 28/12/2011 19:41, Matteo Beccati wrote: On 28/12/2011 19:07, Claudio Freire wrote: On Wed, Dec 28, 2011 at 3:02 PM, Matteo Beccati p...@beccati.com wrote: The query eventually completed in more than 18h. For comparison a normal run doesn't take more than 1m for that specific step. Do you

Re: [PERFORM] Postgresql Replication Performance

2011-12-29 Thread Merlin Moncure
On Thu, Dec 29, 2011 at 3:33 AM, sgupta saurabh@gmail.com wrote: I am doing POC on Posgtresql replication. I am using latest version of postgresql i.e. 9.1. There are multiple replication solutions avaliable in the market (PGCluster, Pgpool-II, Slony-I). Postgresql also provide in-built

Re: [PERFORM] parse - bind take more time than execute

2011-12-29 Thread Kevin Grittner
MirrorX wrote: -the table is this - \d configurations Table public.configurationcontext One of my concerns was that you might actually be selecting against a view rather than a table, and the above doesn't reassure me that you're not. Why the difference between configurations and

Re: [PERFORM] Postgresql Replication Performance

2011-12-29 Thread Aleksej Trofimov
On 12/29/2011 11:33 AM, sgupta wrote: I am doing POC on Posgtresql replication. I am using latest version of postgresql i.e. 9.1. There are multiple replication solutions avaliable in the market (PGCluster, Pgpool-II, Slony-I). Postgresql also provide in-built replication solutions (Streaming

Re: [PERFORM] parse - bind take more time than execute

2011-12-29 Thread MirrorX
thx for your reply :) -the timings come from the log -the table is this - \d configurations Table public.configurationcontext Column | Type | Modifiers ---++--- id| numeric(18,0) |

Re: [PERFORM] Postgresql Replication Performance

2011-12-29 Thread Aleksej Trofimov
On 12/29/2011 05:00 PM, Claudio Freire wrote: Second, is that WAL activity on streaming replication or WAL shipping is documented to contain more data than on non-replicated setups. What is not clear is how much more data. This not only affects our network bandwidth estimations, but also I/O

[PERFORM] Postgresql Replication Performance

2011-12-29 Thread sgupta
I am doing POC on Posgtresql replication. I am using latest version of postgresql i.e. 9.1. There are multiple replication solutions avaliable in the market (PGCluster, Pgpool-II, Slony-I). Postgresql also provide in-built replication solutions (Streaming replication, Warm Standby and hot

Re: [PERFORM] Postgresql Replication Performance

2011-12-29 Thread Claudio Freire
On Thu, Dec 29, 2011 at 11:33 AM, Aleksej Trofimov aleksej.trofi...@ruptela.lt wrote: Postgres Streaming replication is WAL based replication, so using this type of replication you will have absolutely identical database servers, what is best choice for HA and scaling reads. Also this choice is