Re: [zfs-discuss] ZFS stalling problem

2007-03-05 Thread Wade . Stuart
[EMAIL PROTECTED] wrote on 03/05/2007 03:56:28 AM: > one question, > is there a way to stop the default txg push behaviour (push at regular > timestep-- default is 5sec) but instead push them "on the fly"...I > would imagine this is better in the case of an application doing big > sequential

Re: [zfs-discuss] ZFS stalling problem

2007-03-05 Thread Selim Daoud
one question, is there a way to stop the default txg push behaviour (push at regular timestep-- default is 5sec) but instead push them "on the fly"...I would imagine this is better in the case of an application doing big sequential write (video streaming... ) s. On 3/5/07, Jeff Bonwick <[EMAIL P

Re: [zfs-discuss] ZFS stalling problem

2007-03-04 Thread Jeff Bonwick
Jesse, This isn't a stall -- it's just the natural rhythm of pushing out transaction groups. ZFS collects work (transactions) until either the transaction group is full (measured in terms of how much memory the system has), or five seconds elapse -- whichever comes first. Your data would seem t

[zfs-discuss] ZFS stalling problem

2007-03-03 Thread Jesse DeFer
Hello, I am having problems with ZFS stalling when writing, any help in troubleshooting would be appreciated. Every 5 seconds or so the write bandwidth drops to zero, then picks up a few seconds later (see the zpool iostat at the bottom of this message). I am running SXDE, snv_55b. My test c