Blake Irvin wrote: > I'm using Neelakanth's arcstat tool to troubleshoot performance problems with > a ZFS filer we have, sharing home directories to a CentOS frontend Samba box. > > Output shows an arc target size of 1G, which I find odd, since I haven't > tuned the arc, and the system has 4G of RAM. prstat -a tells me that > userland processes are only using about 200-300mb of RAM, and even if Solaris > is eating 1GB, that still leaves quite a lot of RAM not being used by the arc. > > I would believe that this was due to low workload, but I see that 'arcsz' > matches 'c', which makes me think the system is hitting a bottleneck/wall of > some kind. > > Any thoughts on further troubleshooting appreciated. >
It doesn't sound like you have a memory shortfall. Please start with the ZFS best practices guide http://www.solarisinternals.com/wiki/index.php/ZFS_Best_Practices_Guide Many of the recommendations for NFS will also apply to other file sharing protocols, such as CIFS. -- richard _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
