Re: phoronix benchmarks ext4 vs. btrfs

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 




On Mar 9, 2012, at 12:30 AM, Matthias Runge wrote:
>> 
> if your file system places data inefficiently on disk/storage, you want
> to measure this, too. If you're comparing file system speed, I think,
> you should measure the whole thing and be sure to create comparable
> data.

The source files are on a jhfs+ volume. I'm disinterested in disk to disk copy. And I'm disinterested in comparing jhfs+ to other file system copies. I'm wondering how a system pushing data from memory to disk.

> 
> You can't really control, how your file system cache is filled.
> Although I must say,  measuring a the whole effort a few times
> consecutively provides more reliable numbers (caution: but no
> disk speed measurement).

I can probably control it to some degree if there isn't much free memory left, by creating a large ramdisk, that will end up as file system cache.

Chris Murphy
-- 
devel mailing list
devel@xxxxxxxxxxxxxxxxxxxxxxx
https://admin.fedoraproject.org/mailman/listinfo/devel



[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Index of Archives]     [Fedora Announce]     [Fedora Kernel]     [Fedora Testing]     [Fedora Formulas]     [Fedora PHP Devel]     [Kernel Development]     [Fedora Legacy]     [Fedora Maintainers]     [Fedora Desktop]     [PAM]     [Red Hat Development]     [Gimp]     [Yosemite News]
  Powered by Linux