On Wed, 2008-06-25 at 09:02 +0200, Adrian von Bidder wrote: > On Tuesday 24 June 2008 22.29:31 J. Bruce Fields wrote: > > On Tue, Jun 24, 2008 at 12:17:24PM +0200, Adrian von Bidder wrote: > > > > Starting KDE, opening documents, sometimes also closing oo.org and > > > saving documents takes several seconds longer than on local disk. > > > > "close" on nfs is an operation that requires a round-trip to the server > > and waiting for the disk to commit any writes made before the close, so > > if you've got to do a lot of those it can take time. Fooling with the > > journaling on the exported filesystem may help. > > Are there tools to measure latencies on NFS? Given a network dump, desired > output would be histograms of latencies by file operation? (Or maybe I can > catch the information on the client, VFS side instead of NFS? You can catch the info on the client. See the 'nfs-iostat' tool in the latest nfs-utils git tree: http://git.linux-nfs.org/?p=steved/nfs-utils.git;a=summary Trond ------------------------------------------------------------------------- Check out the new SourceForge.net Marketplace. It's the best place to buy or sell services for just about anything Open Source. http://sourceforge.net/services/buy/index.php _______________________________________________ NFS maillist - NFS@xxxxxxxxxxxxxxxxxxxxx https://lists.sourceforge.net/lists/listinfo/nfs _______________________________________________ Please note that nfs@xxxxxxxxxxxxxxxxxxxxx is being discontinued. Please subscribe to linux-nfs@xxxxxxxxxxxxxxx instead. http://vger.kernel.org/vger-lists.html#linux-nfs -- To unsubscribe from this list: send the line "unsubscribe linux-nfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
