[Dovecot] Slow header fetching rate over nfs mailspool.

[Timo Sirainen]

On Wed, 2008-01-23 at 17:39 +0800, Dino Ming wrote:
> 17:19:31.726127 fstat(11, {st_mode=S_IFREG|0600, st_size=2263, ...}) = 0
> 17:19:31.726193 pread(11, "Return-path: <dino at example.com>\nE"...,  
> 4096, 0) = 2263
> 17:19:38.973282 pread(11, "", 1833, 2263) = 0

Is it spending 7 seconds trying to do the second pread(), or is Dovecot
doing something else for 7 seconds? What does strace -T show as the time
spent in syscalls?

To me this looks like a problem with your network or your NFS server.
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