[Dovecot] lmtp: Error: mmap failed with file ... dovecot.index.cache: Cannot allocate memory

[David Jonas]

On 8/10/12 10:10 AM, Timo Sirainen wrote:
> On 10.8.2012, at 20.05, David Jonas wrote:
>
>> I have a mailbox with an ungodly number of small messages in it. When
>> new messages are delivered lmtp kicks up an error like the one below. I
>> tried raising the vsz_limit for lmtp but that didn't see to help.
> That should help.
>
>> # ls -lah dovecot.index.cache
>> -rw------- 1 vmail vmail 128M Jul 29 20:16 dovecot.index.cache
>>
>> default_vsz_limit = 256 M
>> service lmtp {
>>  inet_listener lmtp {
>>    port = 24
>>  }
>>  vsz_limit = 256 M
>> }
> Did you try higher than 256M? There might be some memory temporarily wasted which causes it to go over.
>
service lmtp {
  vsz_limit = 320 M
}

Yep. That seems to cover it. Delivered a message with lmtp and no error
in the logs. dovecot.index.cache timestamp updated too.

Thanks! Guess I should have tried something absurdly high before
emailing, just to see if that was it.
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