On Thu, 2008-01-24 at 00:18 +0800, Dino Ming wrote: > open("/dap/mstorage/example.com/dino/Maildir/cur", O_RDONLY| > O_NONBLOCK|O_DIRECTORY) = 8 <0.000098> .. > getdents64(8, /* 114 entries */, 8192) = 8128 <0.347680> > getdents64(8, /* 113 entries */, 8192) = 8136 <1.385329> > getdents64(8, /* 113 entries */, 8192) = 8144 <1.668419> > getdents64(8, /* 113 entries */, 8192) = 8136 <2.942874> > getdents64(8, /* 107 entries */, 8192) = 7712 <5.346971> > getdents64(8, /* 0 entries */, 8192) = 0 <0.000046>
This means that a simple "ls" call on that cur directory would take about 11 seconds (when the directory entries aren't already cached). You could verify that this happens. So I can't really say anything else than that the problem is somewhere outside Dovecot..
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