Mostrando entradas con la etiqueta ext4. Mostrar todas las entradas
Mostrando entradas con la etiqueta ext4. Mostrar todas las entradas

jueves, 17 de marzo de 2011

ext4 optimization and throughput (Preview)

Scenario: Debian Stable 6.0 under VmWare ESXi 4.1
Cases:

  • 1 core and 497 Mb RAM
  • 4 cores and 4Gb RAM

Test used:  Phoronix Test Suite
Mount options:
  • defaults
  • noatime
  • long  noatime,barrier=0,data=writeback,nobh,commit=100,nouser_xattr
  • no_journal - defaults, but fs created with "mkfs.ext4 /dev/sdb1 -O^has_journal" defaults
Results Case1 (1 Core):
Results Case2 (4 Cores):
http://openbenchmarking.org/result/1103160-IV-MERGE353122 (It has some visualization problems)
Comments:
To be update... soon
Improvements to do:
Test in a bare installation, and testing hypervisor overload (vmware Vs. kvm)