Re: Block size confusion.

2014-11-22 Thread Muhammad Yousuf Khan
Thank for you detail update. can you please also share with your experience that. when i "dstat" i some time see wait time between 10-17 and at that time my system works slow. and my processor shows normal. what i have read about that wait values this is due to IO issues. now my question is how wou

Re: Block size confusion.

2014-11-22 Thread Andrei POPESCU
On Vi, 21 nov 14, 12:41:35, Karl E. Jorgensen wrote: > > Nowadays disks may hide this in their interface, but on the physical > media (I'm thinking of spinning rusty platters), we still have to obey > the laws of physics. Changing the magnetisation of a single spot is on > neigh-impossible without

Re: Block size confusion.

2014-11-21 Thread Karl E. Jorgensen
Hi On Fri, Nov 21, 2014 at 04:20:07PM +0500, Muhammad Yousuf Khan wrote: > Dear experts, > > i know its frustrating because i always ask theoretical question. i hope and > believe you guyz will not mind and  i really learn alot from this list. > > So, coming to the point, I want to clear my conf

Block size confusion.

2014-11-21 Thread Muhammad Yousuf Khan
Dear experts, i know its frustrating because i always ask theoretical question. i hope and believe you guyz will not mind and i really learn alot from this list. So, coming to the point, I want to clear my confusion on block size. theoretically i know what block size is but practically i dont k