Riak Recap, October 29th, 2016

Alexander Sicular siculars at basho.com
Sat Oct 29 03:21:14 EDT 2016

Hello Ghouls and Gals,

This weekend I offer you a bit of light reading from our Riak Users email
archive (always available, rarely deletable!) Also, between raiding the
kids’ M&M’s and Skittles, make time to bone up on your Riak skills with
some new courses at the Basho Academy [0]. For those not in the know, we’re
continuously adding quick, self paced tutorials on various Riak related
topics to the Basho Academy. If there is something you think could use some
extra attention let us know and we’ll make it happen.

Are you working on something Riak related? Reply to this missive and I’ll
get your talk, project or blog post in the next Riak Recap. Perhaps you’re
interested in penning a guest post on the Basho blog? [1]

## Announcements


   Introducing two new training modules on Basho Academy:

      Riak KV: Operations Intro [2]

      Riak TS: Spark Riak Connector [3]

## Basho for Business

Let’s assume you use Riak. We want to help you get the most out of it. The
Basho for Business section of the Riak Recap will highlight ways that Basho
can help you do just that.

Did you know that Basho offers Open Source support [4] and professional
services [5] such as developer and operations training? We do, it’s true.
If you've been considering licensing Riak, our sales staff are great people
to work with and can help you get the licenses you need at a price that
works. For example, we offer reduced pricing for startups. If you're
interested in hearing more, with no pressure or obligation, drop us your
details [6] and we'll have someone reach out to answer your questions. Hey,
you might get to talk to me!

## Jobs at Basho

Interested in working on distributed computing related problems or helping
our community with theirs? We’re hiring, here are a few of our open
positions. Check out the rest [7].


   Client Services Engineer (London) [8].

   Developer Advocate EMEA (London) [9].

   Developer Advocate (US) [10].

   Solution Architect (SF) [11].

(Yes, we are remote friendly.)

## Recently Answered


   Brandon Martin is interested in figuring out how to use map/reduce in
   the Erlang client when using bucket types [12]. Basho engineer Luke Bakken
   replies with some recommendations and examples! [13]

   Damion Junk is looking for guidance on running KV use cases alongside TS
   use cases in Riak TS cluster [14]. The official party line from Basho's
   John Daily at this time is that although you can do it, Basho does not
   currently support it and recommends you split the functionality into two
   clusters, KV and TS [15][16]. Damien Krotkine joins the conversation to
   report his experience in when doubling up use cases in Riak TS [17]. And I
   find it interesting that the Dami{o|e}n's have a Levenshtein distance [18]
   of 1.

   Travis Kirstine has a question on whether or not the Riak claimant node
   has higher load than its peers [19]. Magnus Kessler informs us that it does
   not [20].

   AJAX DoneBy Jack (who does AJAX) is interested in knowing how to specify
   query fields (qf) in a Solr query via the Riak Java Client. Basho's Magnus
   Kessler [21] and Fred Dushin [22] let us know that when communicating with
   Riak over protobuf there is no easy way to add certain Solr parameters.
   Nevertheless Alex Moore [23] shows us a way to do this by piggybacking the
   qf param in the {!dismax} block.

   Joe Olson brings us a question on max quantum[24] range when querying in
   Riak TS [25]. John Daily adds some clarity [26]. For the uninitiated, Riak
   TS will execute a range query against a maximum number of quanta
   (configurable) [27][28].

   In answering Rohit Sanbhadti question [29] on webmachine/mochiweb
   sockets, Luke Bakken lets us know that there is currently no way to
   dynamically modify mochiwebs max connections [30]. An increasing listen()
   backlog is generally symptomatic of not being able to handle increased load.

   AJAX DoneBy Jack is back with a question [31] on Riak Explorer [32] and
   SSL. Magnus Kessler lets us know that Riak Explorer hasn't quite figured
   out how to speak SSL yet [33].

## Open Discussions


   Ricardo Mayerhofer is experiencing node crashes [34] in his cluster.
   Ricardo, any update?

   Lingesh is getting an error when starting Riak and enabling AAE due to
   100% i/o utilization [35].

   Following up on previous Solr query, cursor mark and coverage plan
   discussions, Guillaume Boddaert opens a new line of questioning around
   tuning the coverage plan itself [36].

Have a spooktacular weekend,

-Alexander Sicular

Solution Architect, Basho


[0] https://academy.basho.com/

[1] http://basho.com/blog/

[2] https://academy.basho.com/kv-ops-1/

[3] https://academy.basho.com/ts-spark-1/

[4] http://basho.com/products/support/

[5] http://basho.com/products/professional-services/

[6] http://basho.com/contact/

[7] http://bashojobs.theresumator.com

[8] http://bashojobs.theresumator.com/apply/zznz3Z/Client-Services-Engineer

[9] http://bashojobs.theresumator.com/apply/nVY7Ea/Developer-Advocate-EMEA

[10] http://bashojobs.theresumator.com/apply/pA1Nnk/Developer-Advocate-US

[11] http://bashojobs.theresumator.com/apply/EPglZt/Solution-Architect







[18] https://en.wikipedia.org/wiki/Levenshtein_distance






[24] http://docs.basho.com/riak/ts/1.4.0/learn-about/bestpractices/#quantum




[28] http://docs.basho.com/riak/ts/1.4.0/using/configuring/




[32] https://github.com/basho-labs/riak_explorer




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