Le 5 août 09 à 06:06, Chookiex a écrit :

Hi All,
You know, ZFS afford a very Big buffer for write IO.
So, When we write a file, the first stage is put it to buffer.
But, if the file is VERY short-lived? Is it bring IO to disk?
or else, it just put the meta data and data to memory, and then removed it?



So with a workload of 'creat,write,close,unlink', I don't see ZFS or other filesystems issuing I/Os for the files.

-r



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