Thanks henrik for your tip can you guide me what is the recomended setting for coss .2ndly currenly i am using aufs . after enabling coss what heppen with store cache object. coss required to use clean disk . Henrik Nordstrom-5 wrote: > > lör 2009-09-05 klockan 03:52 -0700 skrev pokeman: >> Hello >> >> Today i have seen some issue with Disk I/O performance issue can any >> tell me how to improve that ! > > Well, it seems you are running the cache on a single HDD. This won't > scale well and you will be limited by the number of seeks/s the drive > can handle. > > Using COSS can lighten that somewhat thanks to not needing any I/O to > reclaim space and less I/O operations to write things out, but still.. > > Regards > Henrik > > > -- View this message in context: http://www.nabble.com/I-O-Performance-Tuning-tp25307139p25318293.html Sent from the Squid - Users mailing list archive at Nabble.com.