Looking for a replacement datastore

Alexander Zhuravlev a.zhuravlev at gmail.com
Fri Aug 17 09:01:18 EDT 2012

On Thu, Aug 16, 2012 at 04:20:50PM -0600, Shawn Parrish wrote:
> Howdy Riak folk,
> We're looking for a possible datastore replacement for our server
> monitoring check results.  Maybe some of you can offer feedback if
> Riak is a possible good solution.
> Each ping, http request, etc has a result with various metadata that
> we store.  We're looking at about 250 million results a month and that
> number continues to grow.
> We query this data for:
> 1. last result (is the server up or down?)
> 2. if it's up, when was the last 'down' and inversely when it's down,
> when was the last up?
> 3. Full detail of the last 5 results (to show recent results)
> 4. Last 24 hours results (usually ~1440 results) to graph
> 5. Results in a date range (example: all results from July 1 through
> July 31)... this can be very large.
> We currently use bigcouch (Couchdb) but the views and built in
> _all_docs slow down with so many results and especially when we call
> them with 'include_docs', cause we need the details of the results as
> well.
> We're trying to trim down the total results stored by summarizing
> older data and deleting it but that slows down Couchdb views even
> farther.
> Questions:
> 1. Is Riak a possible datastore for this use case?  Can I get so many
> results, including all the details quickly enough?
> 2. Do you know of another datastore that might be better?

I would recommend to take a look at OpenTSDB (http://opentsdb.net/).
Alexander Zhuravlev

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