search for: berto

QEMU's default qcow2 L2 cache size is too small for large images (and small cluster sizes), resulting in very bad performance. https://blogs.igalia.com/berto/2015/12/17/improving-disk-io-performance-in-qemu-2-5-with-the-qcow2-l2-cache/ shows huge performance hit for a 20GB qcow2 with default 64kB cluster size: L2 Cache, MiB Average IOPS 1 (default) 5100 1.5 7300 2 12700 2.5 63600...

On Mon, Sep 19, 2016 at 11:32:26AM -0400, Frank Myhr wrote: >QEMU's default qcow2 L2 cache size is too small for large images (and small cluster sizes), resulting in very bad performance. > >https://blogs.igalia.com/berto/2015/12/17/improving-disk-io-performance-in-qemu-2-5-with-the-qcow2-l2-cache/ >shows huge performance hit for a 20GB qcow2 with default 64kB cluster size: > >L2 Cache, MiB Average IOPS >1 (default) 5100 >1.5 7300 >2 12700 >...

I''m just a rails newbie, but I thought I would point out a small observation. About a year ago, I was having real trouble making the decision about whether I should learn Ruby or Python. I finally settled on Ruby, one of the reasons being that I didn''t want my language to tell me how whitespace should work. (Although the main reason was how object oriented Ruby is) Although

...You can reach the person managing the list at > lartc-admin@mailman.ds9a.nl > >When replying, please edit your Subject line so it is more specific >than "Re: Contents of LARTC digest..." > > >Today's Topics: > > 1. Simple example of bandwidth management (Roberto Arcomano) > 2. Determining tbf parameters (Alex Leyva) > 3. Re: How to mark a device not to be used with IMQ? (Martin Devera) > 4. Re: How to mark a device not to be used with IMQ? (Patrick McHardy) > 5. Re: How to mark a device not to be used with IMQ? (Patrick McHardy) > &g...