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Re: Tuning 9.3 for 32 GB RAM - Mailing list pgsql-general

From Jayadevan M
Subject Re: Tuning 9.3 for 32 GB RAM
Date
Msg-id CAFS1N4jBhTR=k-mphiiraDg-qBGLhxHQgj+k_F1nq1hO5=8VVA@mail.gmail.com
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In response to Tuning 9.3 for 32 GB RAM  (Alexander Farber <alexander.farber@gmail.com>)
Responses Re: Tuning 9.3 for 32 GB RAM
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Hi,

On Thu, Nov 14, 2013 at 7:14 PM, Alexander Farber <alexander.farber@gmail.com> wrote:
Hello,

do these changes please look okay for a PostgreSQL 9.3 running on CentOS 6.4 server with 32 GB RAM (with Drupal 7 and few custom PHP scripts)

postgresql.conf:

   shared_buffers = 4096MB
   work_mem = 32MB
   checkpoint_segments = 32
   log_min_duration_statement = 10000

sysctl.conf:

   kernel.shmmax=17179869184
   kernel.shmall=4194304

pgbouncer.ini:

   listen_port = 6432
   unix_socket_dir = /tmp
   pool_mode = session
   server_reset_query = DISCARD ALL
   server_check_delay = 10
   max_client_conn = 600
   default_pool_size = 50

I understand, that nobody can tell me the optimal settings - unless I provide full source code to everything. And if I provide "the full source code", nobody will look at it anyway.

So I am just asking, if the settings look okay or if they will waste gigabytes of RAM.

Thank you
Alex

You may want to look at effective_cache_size also. May be quickly go through
http://wiki.postgresql.org/wiki/Tuning_Your_PostgreSQL_Server and see what
http://pgfoundry.org/projects/pgtune/
says.
Jayadevan

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