Hi , I have following setting in my postgresql.conf file. shared_buffers = 10000 (8k blocks) ; which is apprx 80MB my question is how can i know how much is the usage of the shared_buffers so that it can be increased or decreased. below is the output of ipcs , I am wondering is postgres using 420MB shared memory (but shared_buffers is only 80MB) $ ipcs -m ------ Shared Memory Segments -------- key shmid owner perms bytes nattch status 0x00000000 3637248 postgres 600 52228 0 0x0052e6a9 7798785 postgres 600 40034304 42 0x00000000 4489218 postgres 600 52228 0 0x00000000 4521987 postgres 600 52228 0 0x00000000 4554756 postgres 600 52228 0 0x00000000 4587525 postgres 600 52228 0 0x00000000 4620294 postgres 600 52228 0 0x00000000 2883591 postgres 600 52228 0 0x00000000 3670024 postgres 600 74240 0 0x00000000 3702793 postgres 600 768 0 0x00000000 3735562 postgres 600 524 0 0x00000000 3768331 postgres 600 4 0 0x0052e2c1 7831564 postgres 600 420610048 121 regds mallah. -- Sent via pgsql-admin mailing list (pgsql-admin@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-admin
