Displaying 2 results from an estimated 2 matches for "kmem_alloc_40".
2007 Sep 14
5
ZFS Space Map optimalization
I have a huge problem with space maps on thumper. Space maps takes over 3GB
and write operations generates massive read operations.
Before every spa sync phase zfs reads space maps from disk.
I decided to turn on compression for pool ( only for pool, not filesystems ) and it helps.
Now space maps, intent log, spa history are compressed.
Not I''m thinking about disabling checksums. All
2006 Jan 13
26
A couple of issues
I''ve been testing ZFS since it came out on b27 and this week I BFUed to b30. I''ve seen two problems, one I''ll call minor and the other major. The hardware is a Dell PowerEdge 2600 with 2 3.2GHz Xeons, 2GB memory and a perc3 controller. I have created a filesystem for over 1000 users on it and take hourly snapshots, which destroy the one from 24 hours ago, except the