[EMAIL PROTECTED] writes:
> 2007-07-03 19:20:42 EDT 2928 FATAL: could not create shared memory
> segment: Invalid argument
> 2007-07-03 19:20:42 EDT 2928 DETAIL: Failed system call was
> shmget(key=5432001, size=3276259328, 03600).
> 2007-07-03 19:20:42 EDT 2928 HINT: This error usually means that
> PostgreSQL's request for a shared memory segment exceeded your kernel's
> SHMMAX parameter. You can either reduce the request size or reconfigure
> the kernel with larger SHMMAX. To reduce the request size (currently
> 3276259328 bytes), reduce PostgreSQL's shared_buffers parameter (currently
> 393216) and/or its max_connections parameter (currently 250).
> heres my sysctl:
> kernel.shmmax=4294967296
> kernel.shmall=536870912
Why have you got SHMALL set to half a GB when you have Postgres
configured to ask for over 3 GB?
regards, tom lane
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TIP 2: Don't 'kill -9' the postmaster
