Capacity planning page clarification
mark at basho.com
Wed May 18 17:16:02 EDT 2011
Thanks for the feedback. Exactly what we were looking for. I just
created a new issue  for it on the Riak Wiki repo to make sure we
get this stuff incorporated if it makes sense. As always, pull
requests are encouraged :)
Keep it coming.
1 - https://github.com/basho/riak_wiki/issues/98
On Thu, May 12, 2011 at 4:29 PM, Mike Oxford <moxford at gmail.com> wrote:
> This may be slightly nit-picky, but this tool marginal at best.
> Total number of keys
> Average Bucket Size (bytes)
> Average Key size
> Average Value Size (Bytes)
> Some of these are kind of ambiguous, and I'm not sure why this setup was
> 1) Total number of keys? Each bucket has N entries comprising N keys + 1
> for the bucket? (So we need buckets*(N+1))
> 2) Average bucket size (bytes) Why in bytes? Am I to precalculate the
> stuff to input into the calculator? Do you mean ((keys*key_size) +
> 3) Average Key size (Of the bucket? Of the kv pairs? A bucket is just a
> keyed namespace, right?) I'm guessing you meant "in bytes" like the rest?
> Why not:
> * How many buckets will you have?
> * How big is each bucket name?
> * How many entries will you have in each bucket (average)?
> * How big is each value in the entry? (average)
> Everything can then be computed directly from the above with no ambiguity of
> "which keys" or "what are they really looking for."
> The same for the Bitcask calculator. When you have stuff such as "Average
> Bucket Size (bytes)" (defaulted to 15) but then "Average Value Size (byte)"
> defaulted to 2000 that leads me to: o_0
> riak-users mailing list
> riak-users at lists.basho.com
More information about the riak-users