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From Schubert Zhang <zson...@gmail.com>
Subject Re: total disk space used on a node for a CF is too large than expected
Date Sun, 11 Jul 2010 03:53:12 GMT
Disk space includes:
1. Live SSTable files (Data, Index, Filter)
2. Garbage (compacted) SSTable files.

For each column, except for the value bytes, there are anditional bytes
include (2+columnname+1+8)

On Sat, Jul 10, 2010 at 2:57 AM, Jonathan Ellis <jbellis@gmail.com> wrote:

> you should read the "cassandra disk space utilization" thread.
>
> On Fri, Jul 9, 2010 at 4:09 AM, Sagar Agrawal <sna612@gmail.com> wrote:
> >  row size is 10 KB and write count on a node for a CF is 1054451,
> > so ideally the total disk space used on that node by that CF should be
> > around 10 GB
> > but it's showing  23 GB
> > what else might be taking up so much space?
> >
> > Thanks
> >
>
>
>
> --
> Jonathan Ellis
> Project Chair, Apache Cassandra
> co-founder of Riptano, the source for professional Cassandra support
> http://riptano.com
>

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