[Dovecot] any idea why the mail downloading is slow?
tss at iki.fi
Fri Nov 3 12:18:21 UTC 2006
On 3.11.2006, at 13.01, LeVA wrote:
>> It probably shows that Dovecot spends most of its time in poll() (or
>> kqueue()). But it could be either waiting to be able to send more
>> data to the client, or waiting for a command from the client.
> 1168 pop3 1162550554.983041 CALL write(0x1,0x7f64bbeb,0x1018)
> 1168 pop3 1162550554.983048 RET write -1 errno 35 Resource
> temporarily unavailable
OK, so this means that the receiving end isn't reading the data fast
enough, so kernel starts giving EAGAIN errors to write() calls. So
there simply is a network bottleneck somewhere outside Dovecot..
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