Messages in this thread | | | From | Kevin Burton <> | Date | Wed, 21 Apr 2010 19:37:09 -0700 | Subject | Filesystem page cache hit rate for tuning performance of VFS page cache? |
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I'm trying to find out a way to tune the Linux VFS page cache.
A number of caching systems like memcached, MySQL/InnoDB page cache export stats which can help you determine how efficient you are with memory.
The key values I need are number of hits from the page cache and total requests to the page cache.
These should just continually increment and rollover until we run out of unsigned long space (2^64).
Is it possible to do this with Linux? I'm pretty sure it's not..... I would LOVE to be proven wrong.
I'll buy anyone a beer who solves this problem for me :)
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