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From Manoj Mainali <>
Subject Re: SSDs w/ C* only for commit log?
Date Tue, 11 Jun 2013 02:16:00 GMT
You can refer to this conversation here


On Tue, Jun 11, 2013 at 10:01 AM, Tanya Malik <>wrote:

> If I understand the C* architecture correctly, in order to increase write
> speed, I only need to put the commit log on SSDs.
> When the memtable gets flushed to the SStable file later on, that can go
> to traditional spinning disks, since that happens much later after the
> write successful has already been returned to the client.
> So, in the YAML file, I can configure the commitlog_directory to go to SSD
> and the data_file_directories to go to spinning disks.
> Would I get any write speed benefits if I had stored the SStables also on
> SSD?

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