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jdivm04
2012 Oct 01
3
Tunning - cache write (database)
...ssion , flush of 60 MB/s take 4 minutes....
(on this 4 minutes they keep constatly I/O of +- 4MB/s no disks)
(flush from Informix database)
The enviroment :
* Virtualized environment
* OpenSuse 12.1 64bits, running over VmWare ESXi 5
* Btrfs version : btrfsprogs-0.19-43.1.2.x86_64
* Kernel : Linux jdivm06 3.1.10-1.16-desktop #1 SMP PREEMPT Wed Jun 27
05:21:40 UTC 2012 (d016078) x86_64 x86_64 x86_64 GNU/Linux
* The file system is used to keep the Informix database data (chunks).
* 8 cores (intel i7) , so, all btrfs threads able to work parallel.
The file system mount :
root@jdivm06:/proc/sys/fs...