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how to know ext cache hit rate? thanks -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://listman.redhat.com/archives/ext3-users/attachments/20131225/1ad734cb/attachment.htm>

On Wed, Dec 25, 2013 at 09:32:50AM +0800, fsluck wrote: > how to know ext cache hit rate? Which cache are you referring to, specifically? The page cache? The inode cache? The dentry cache? What problem are you trying to solve, at a high level? - Ted

...is very low? if there is a need to seek for other way to suit virtualization. system's default cache mechanism does not care about virtualization. thanks At 2013-12-26 02:00:43,"Theodore Ts'o" <tytso@mit.edu> wrote: >On Wed, Dec 25, 2013 at 09:32:50AM +0800, fsluck wrote: >> how to know ext cache hit rate? > >Which cache are you referring to, specifically? The page cache? The >inode cache? The dentry cache? > >What problem are you trying to solve, at a high level? > > - Ted

On Wed, Feb 26, 2014 at 04:01:00PM +0800, fsluck wrote: > i think it is page cache. my case is in virualization environment, > because vm's disk image is much larger than system's cache, i want > to know when many vms are running if system cache hit rate is very > low? if there is a need to seek for other way to suit > vi...