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From sankalp kohli <>
Subject Re: storing indexes on ssd
Date Mon, 12 Feb 2018 07:46:17 GMT
Cassandra does not support this currently. You can create a JIRA and start
the conversation

On Sat, Feb 10, 2018 at 11:09 PM, Dan Kinder <> wrote:

> Hi,
> We're optimizing Cassandra right now for fairly random reads on a large
> dataset. In this dataset, the values are much larger than the keys. I was
> wondering, is it possible to have Cassandra write the *index* files
> (*-Index.db) to one drive (SSD), but write the *data* files (*-Data.db) to
> another (HDD)? This would be an overall win for us since it's
> cost-prohibitive to store the data itself all on SSD, but we hit the limits
> if we just use HDD; effectively we would need to buy double, since we are
> doing 2 random reads (index + data).
> Thanks,
> -dan

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