Hello Andrzej,

Thursday, June 22, 2006, 11:30:23 AM, you wrote:

AB> Hi zfs-discuss,

AB> I have some questions about throttling on ZFS

AB> 1) I know that throttling is activating while one sync is waiting
AB> for another.
AB> (http://blogs.sun.com/roller/page/roch?entry=the_dynamics_of_zfs)
AB> Is it possible to throttle only selected processes (e.g. nfsd) ?

If I understand it correctly you can't - throttling is for all
transactions to a pool.


AB> 2) How can I obtain some statistics about it? I want to know how
AB> often throttling is activating on my host etc.

AB> 3) Is it possible to change 5-seconds interval of sync
AB> activation? (some mdb's magic tricks? :) )

  txg_time/W

  
AB> 4) How can I turn off throttling?

In a way you can - see "Re: [zfs-discuss] fdsync(5, FSYNC) problem and
ZFS" thread and look for hot to disable ZIL.

-- 
Best regards,
 Robert                            mailto:[EMAIL PROTECTED]
                                       http://milek.blogspot.com

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