On Tue, 13 Nov 2007, Pascal Gienger wrote:
Our latency problems went away like a miracle when we detached one half
of the mirror (so it is no more a mirror).
Read-Rates are doubled (not per device, the total read rate!), latency
is cut off. No more latency problems.
When attaching the
Interesting. What's your kernel patch level?
We're running on 125101-10 with the exact same configuration as you
(mirrored to two arrays, in separate buildings even) and haven't seen
this problem.
/dale
On Nov 13, 2007, at 1:23 AM, Pascal Gienger wrote:
Our latency problems went away
...though, we have seen super-greedyness of ZFS when resilvering. ;)
On Nov 13, 2007, at 09:17, Dale Ghent wrote:
Interesting. What's your kernel patch level?
We're running on 125101-10 with the exact same configuration as you
(mirrored to two arrays, in separate buildings even) and
Can you expand on this, like a LOT?
I recall a while ago you brought up some performance issues and
said you had found hacks for them. Were those issues actually unresolved
or are you talking about something else? I don't see any recent posts by
you about problems with your Cyrus install.
I'm
Our latency problems went away like a miracle when we detached one half of
the mirror (so it is no more a mirror).
Read-Rates are doubled (not per device, the total read rate!), latency is
cut off. No more latency problems.
When attaching the volume again, resilvering puts the system to a halt