Chris Mason <[EMAIL PROTECTED]> wrote:
> Thanks for trying this, of course I'll ask you to try again with the latest
> v0.13 code, it has a number of optimizations especially for CPU usage.
Here you go. The numbers are very similar.
David
=================================
FEW BIG FILES TEST ON BTRFS v0.13
=================================
Completely cold caches:
[EMAIL PROTECTED] ~]# time cat /warthog/bigfile >/dev/null
real 0m2.202s
user 0m0.000s
sys 0m1.716s
[EMAIL PROTECTED] ~]# time cat /warthog/biggerfile >/dev/null
real 0m4.212s
user 0m0.000s
sys 0m0.896s
Warm BTRFS pagecache, cold NFS pagecache:
[EMAIL PROTECTED] ~]# time cat /warthog/bigfile >/dev/null
real 0m0.197s
user 0m0.000s
sys 0m0.192s
[EMAIL PROTECTED] ~]# time cat /warthog/biggerfile >/dev/null
real 0m0.376s
user 0m0.000s
sys 0m0.372s
Warm on-disk cache, cold pagecaches:
[EMAIL PROTECTED] ~]# time cat /warthog/bigfile >/dev/null
real 0m1.543s
user 0m0.004s
sys 0m1.448s
[EMAIL PROTECTED] ~]# time cat /warthog/biggerfile >/dev/null
real 0m3.111s
user 0m0.000s
sys 0m2.856s
==================================================
MANY SMALL/MEDIUM FILE READING TEST ON BTRFS v0.13
==================================================
Completely cold caches:
[EMAIL PROTECTED] ~]# time tar cf - /warthog/aaa >/dev/zero
real 0m31.575s
user 0m0.176s
sys 0m6.316s
Warm BTRFS pagecache, cold NFS pagecache:
[EMAIL PROTECTED] ~]# time tar cf - /warthog/aaa >/dev/zero
real 0m16.081s
user 0m0.164s
sys 0m5.528s
Warm on-disk cache, cold pagecaches:
[EMAIL PROTECTED] ~]# time tar cf - /warthog/aaa >/dev/zero
real 2m15.245s
user 0m0.064s
sys 0m2.808s
-
To unsubscribe from this list: send the line "unsubscribe
linux-security-module" in
the body of a message to [EMAIL PROTECTED]
More majordomo info at http://vger.kernel.org/majordomo-info.html
