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From Robert Coli <rc...@eventbrite.com>
Subject Re: understanding memory footprint
Date Mon, 12 Aug 2013 18:47:24 GMT
On Mon, Aug 12, 2013 at 11:14 AM, Paul Ingalls <paulingalls@gmail.com>wrote:

> I don't really need exact numbers, just a rough cost would be sufficient.
>  I'm running into memory problems on my cluster, and I'm trying to decide
> if reducing the number of column families would be worth the effort.
>  Looking at the rule of thumb from the wiki entry made it seem like
> reducing the number of tables would make a big impact, but I'm running
> 1.2.8 so not sure if it is still true.
>
> Is there a new rule of thumb?
>

If you want a cheap/quick measure of how much space partially full
memtables are taking, just nodetool flush and check heap usage before and
after?

If you want a cheap/quick measure of how much space empty sstables take in
heap, I think you're out of luck.

=Rob

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