Robert Milkowski wrote:
Hello George,
Wednesday, July 26, 2006, 7:27:04 AM, you wrote:
GW> Additionally, I've just putback the latest feature set and bugfixes
GW> which will be part of s10u3_03. There were some additional performance
GW> fixes which may really benefit plus it will provide hot spares support.
GW> Once this build is available I would highly recommend that you guys take
GW> it for a spin (works great on Thumper).
I guess patches will be released first (or later).
Can you give actual BUG IDs especially those related to performance?
For U3, these are the performance fixes:
6424554 full block re-writes need not read data in
6440499 zil should avoid txg_wait_synced() and use dmu_sync() to issue
parallelIOs when fsyncing
6447377 ZFS prefetch is inconsistant
6373978 want to take lots of snapshots quickly ('zfs snapshot -r')
you could perhaps include these two as well:
4034947 anon_swap_adjust() should call kmem_reap() if availrmem is low.
6416482 filebench oltp workload hangs in zfs
There won't be anything in U3 that isn't already in nevada...
happy performing,
eric
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