Re: 7.4 - TODO : IpcSemaphoreCreate: No space left on
От | Neil Conway |
---|---|
Тема | Re: 7.4 - TODO : IpcSemaphoreCreate: No space left on |
Дата | |
Msg-id | 1039106613.363.31.camel@tokyo обсуждение исходный текст |
Ответ на | 7.4 - TODO : IpcSemaphoreCreate: No space left on device ("Dan Langille" <dan@langille.org>) |
Список | pgsql-hackers |
On Thu, 2002-12-05 at 10:13, Dan Langille wrote: > This error is accompanied by a suggestion to change SEMMNI or SEMMNS. > In this case, that suggestion is not appropriate. Read below for > the scenario. > Suggestion: Can we modify the error message to include checking for a > running postmaster? What basically happened is that you were running two copies of the postmaster at the same time, so you needed enough shared memory + semaphores for both of them. There's no fundamental difference between using up all your shared memory with other postmasters, or with other applications that use shm/semaphores. In either case, the postmaster's error message is still valid: It occurs when either the system limit for the maximum number of semaphore sets (SEMMNI), or the system wide maximumnumber of semaphores (SEMMNS), would be exceeded. You need to raise the respective kernel parameter. ... although it perhaps doesn't tell the entire truth. Would it be sufficient to add a note to the documentation about the possibility of other applications using shared memory / semaphores? Cheers, Neil -- Neil Conway <neilc@samurai.com> || PGP Key ID: DB3C29FC
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