Re: Understanding metadata efficiency of btrfs

2012-03-05 Thread Kai Ren
Forgot to mention: Each file is zero byte. And the available of memory is limited to 512 MB. Best, Kai On Mar 5, 2012, at 9:16 PM, Kai Ren wrote: > I've run a little wired benchmark on comparing Btrfs v0.19 and XFS: > > There are 2000 directories and each directory conta

Understanding metadata efficiency of btrfs

2012-03-05 Thread Kai Ren
often Btrfs will commit these changes and what is the behind mechanism. Could anyone please comment on the experiment results and give a brief explanation of Btrfs's metadata committing mechanism? Sincerely, Kai Ren-- To unsubscribe from this list: send the line "unsubscribe linux-bt

Tracing tools to understand performance of Btrfs

2012-02-26 Thread Kai Ren
Hi, I am running some benchmarks to understand the performance of Btrfs. Is there any way to classify the disk traffic so that one can know the disk traffic generated by which activities in Btrfs. Is there any tracing tools can be enabled in Btrfs? Best regards, -- Ren Kai-- To unsubscribe fro