On 10.12 15:28, Martin Marji Cermak wrote: > At the moment, I have 3 SCSI disks, 36 GB, 10K, so my cache_dir is:
> My boss just gave me another two SCSI disk, 70 GB, 15K - he wants me to > maximise "Byte hit ratio" and I believe to have bigger cache is the > right way (I have already set LFUDA replacement policy etc). > I am going to add these two disk to the box, how would you use them, so > you get the best performance? > 1) add 2 new cache_dirs > 56 GB cache on every from these two 70GB disks? > 2) add 4 new cache_dirs > two 28 cache on every from these two 70GB disks? > I prefer the first solution, but does it realy matter? Imho it is a bad idea to use two cache dirs on one disk. Use 1). iirc, you have very big maximum_object_size, so you should get bigger byte hit ratio. however you may need to increase your RAM size. -- Matus UHLAR - fantomas, [EMAIL PROTECTED] ; http://www.fantomas.sk/ Warning: I wish NOT to receive e-mail advertising to this address. Varovanie: na tuto adresu chcem NEDOSTAVAT akukolvek reklamnu postu. I feel like I'm diagonally parked in a parallel universe.
