On Wed, 2005-03-09 at 13:27, Dipankar Sarma wrote: > On Wed, Mar 09, 2005 at 10:55:58AM -0800, Badari Pulavarty wrote: > > Hi, > > > > We have a 8-way P-III, 16GB RAM running 2.6.8-1. We use this as > > our server to keep source code, cscopes and do the builds. > > This machine seems to slow down over the time. One thing we > > keep noticing is it keeps running out of lowmem. Most of > > the lowmem is used for ext3 inode cache + dentry cache + > > bufferheads + Buffers. So we did 2:2 split - but it improved > > thing, but again run into same issues. > > > > So, why is these slab cache are not getting purged/shrinked even > > under memory pressure ? (I have seen lowmem as low as 6MB). What > > can I do to keep the machine healthy ? > > How does /proc/sys/fs/dentry-state look when you run low on lowmem ?
[EMAIL PROTECTED]:~$ cat /proc/sys/fs/dentry-state 1434093 1348947 45 0 0 0 [EMAIL PROTECTED]:~$ grep dentry /proc/slabinfo dentry_cache 1434094 1857519 144 27 1 : tunables 120 60 8 : slabdata 68797 68797 0 [EMAIL PROTECTED]:~$ cat /proc/meminfo MemTotal: 16377076 kB MemFree: 8343724 kB Buffers: 579232 kB Cached: 5051848 kB SwapCached: 0 kB Active: 2911084 kB Inactive: 3878044 kB HighTotal: 14548952 kB HighFree: 8330944 kB LowTotal: 1828124 kB LowFree: 12780 kB SwapTotal: 0 kB SwapFree: 0 kB Dirty: 216 kB Writeback: 0 kB Mapped: 301940 kB Slab: 1225772 kB Committed_AS: 771340 kB PageTables: 5768 kB VmallocTotal: 114680 kB VmallocUsed: 312 kB VmallocChunk: 114368 kB HugePages_Total: 0 HugePages_Free: 0 Hugepagesize: 2048 kB - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
