43% of the destination file system is in use.
Sean
On 07/08/2011 10:17 AM, Andi Kleen wrote:
Sean McCauliff<Sean.D.McCauliff@xxxxxxxx> writes:
I tried running perf on the copy program on subset of the sparse
files. It seems like ext4 is the source of high cpu utilization. At
this point this high cpu utilization is very annoying, but I can live
with this problem. If you know something simple I could do to
alleviate this problem I would be most appreciative. At the end of
this email is a consolidation of information about this problem.
Events: 6M cycles
-76.80% java [kernel.kallsyms] [k] ext4_mb_good_group
- ext4_mb_good_group
Is your file system too full?
A lot of file system get inefficient in allocating blocks when the
file system is nearly full.
-Andi
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