From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Sat, 1 Apr 2006 10:49:14 -0800 (PST) From: Christoph Lameter Subject: Re: Avoid excessive time spend on concurrent slab shrinking In-Reply-To: <20060401183038.GY27189130@melbourne.sgi.com> Message-ID: References: <20060331150120.21fad488.akpm@osdl.org> <20060331153235.754deb0c.akpm@osdl.org> <20060331160032.6e437226.akpm@osdl.org> <20060331172518.40a5b03d.akpm@osdl.org> <20060401155942.E961681@wobbly.melbourne.sgi.com> <20060401183038.GY27189130@melbourne.sgi.com> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-linux-mm@kvack.org Return-Path: To: David Chinner Cc: Nathan Scott , Andrew Morton , nickpiggin@yahoo.com.au, linux-mm@kvack.org, dgc@melbourne.sgi.com List-ID: On Sun, 2 Apr 2006, David Chinner wrote: > same hash chain, which tends to implicate not enough hash buckets. > > > If its useful for experimenting, Christoph, you can easily tweak the > > cluster hash size manually by dinking with xfs_iget.c::xfs_chash_init. > > Just use the ihashsize mount option - the cluster hash size is proportional > to the inode hash size which is changed by the ihashsize mount option. > > Cheers, XFS settings visible via /proc/mounts are rw,ihashsize=32768,sunit=32,swidth=25 Not enough hash buckets? This was the default selection by xfs. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org