could not fork new process for connection: Cannot allocate memory

[Gaetano Mendola]

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Pavel Veretennikov wrote:

| What could be a problem? About 3G of shared memory is allocated to PG,
| 850000 shared_buffers.


I don't know what you problem can be but are you sure you need that
*very huge* ammount of shared memory ? Let us know your tipical
usage of your system.

I seen many Postgres installation with bunch of SHM wasted !!!



Regards
Gaetano Mendola






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[Tom Lane]

Post by Gaetano Mendola
| What could be a problem? About 3G of shared memory is allocated to PG,
| 850000 shared_buffers.
I don't know what you problem can be but are you sure you need that
*very huge* ammount of shared memory ?

Conventional wisdom is that setting shared_buffers higher than a few
tens of thousands is a bad idea, no matter how much RAM you have.
See the pgsql-performance archives.

regards, tom lane

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