Re: [GENERAL] Memory Question

2005-12-21 Thread Joshua D. Drake
Benjamin Arai wrote: A machine with 4GB of memory has the ability to allocate 2GB to postgres under kenel 2.6. Is the 2GB maximum the sum total of (work_mem, maitenance_work_mem, and shared_memory) or just shared_memory? shared_memory and if I recall correctly that is adjustable but I do

[GENERAL] Memory Question

2005-12-21 Thread Benjamin Arai
A machine with 4GB of memory has the ability to allocate 2GB to postgres under kenel 2.6.  Is the 2GB maximum the sum total of (work_mem, maitenance_work_mem, and shared_memory) or just shared_memory?   

Re: [GENERAL] memory question

2005-06-11 Thread Tom Lane
"Ed L." <[EMAIL PROTECTED]> writes: > But still wondering why 110mb request cannot be satisfied from 2.91gb of = > free mem or 3.2gb os buffer cache? Presumably, the shmem segments already in existence are eating almost all of your kernel SHMMAX limit. regards, tom lane -

Re: [GENERAL] memory question

2005-06-11 Thread Ed L.
  IpcMemoryCreate: shmget(key=9099001, size=110002176, 03600) failed: Not enough space   This error usually means that PostgreSQL's request for a sharedmemory segment exceeded available memory or swap space.To reduce the request size (currently 110002176 bytes), reducePostg

[GENERAL] memory question

2005-06-11 Thread Ed L.
I have an HP ia64 11.23 server with 16gb of RAM running 6 pgsql clusters.  I'm seeing this old error when attempting to restart a legacy 7.3.4 cluster after a power outage:   ./postmaster successfully startedIpcMemoryCreate: shmget(key=9099001, size=110002176, 03600) fail