Displaying 1 result from an estimated 1 matches for "2403520".
2012 Mar 06
4
Understanding metadata efficiency of btrfs
...ory contains 1000 files.
The workload randomly stat a file or chmod a file for 2000000 times.
And the number of stat and chmod are 50% and 50%.
I monitor the number of disk read requests
#Disk Write Requests, #Disk Read Requests, #Disk Write Sectors, #Disk Read Sectors
Btrfs 2403520 1571183 29249216 13512248
XFS 625493 396080 10302718 4932800
I found the number of write quests of Btrfs is significant larger than XFS.
I am not quite familiar with how btrfs commits the metadata change into the disks.
From the website, it is said that btrfs uses COW...