Re: Understanding I/O behaviour

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>  I am just now playing with dirty_ratio. Anybody knows what the lower
> limit is? "0" seems acceptabel, but does it actually imply "write out
> immediatelly"?

You should "watch -n 1 cat /proc/meminfo" and monitor the Dirty and Writeback
while lowering the amount the kernel may keep dirty. The solution we are hoping
for is are the per device dirty throttling -v7 patches.

-- 
Leroy

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