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From Tatu Saloranta <tsalora...@gmail.com>
Subject Re: Why are writes faster than reads?
Date Tue, 25 May 2010 16:53:34 GMT
On Tue, May 25, 2010 at 4:04 AM, Mark Greene <greenemj@gmail.com> wrote:
> I'm fairly certain the write path hits the commit log first, then the
> memtable.

True, but that does not make them any less sequential -- journal logs
are strictly sequential fast writes. Actual ordering occurs in memory,
and results are eventually flushed from memtable to disk.
There is no similar ordering for reads.

-+ Tatu +-

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