Today is the NoSQL installment of the August job trends. For the NoSQL job trends, I am focusing on Cassandra, Redis, Couchbase , SimpleDB, CouchDB, MongoDB, HBase, and Riak. As was stated previously, Voldemort has been replaced by Couchbase. Hadoop is still the clear leader in demand but it may be included in the next update given how close the others are getting.
First, let’s look at the trends from Indeed:
MongoDB continues to lead the pack with a big jump in demand since the beginning of 2013. The other major players, Cassandra, HBase and Redis have seen similar increases in 2013. CouchDB stays flat but maintains a slim lead over Riak, which may finally be gaining some steam. Couchbase is also showing positive signs but still lags behind most. SimpleDB remains flat as well, with Couchbase surpassing its demand earlier this year.
Now, it’s time for the short term trends from SimplyHired:
Overall, SimplyHired is showing completely different trends than Indeed. MongoDB shows a drop in demand early in the year and has stayed flat since February. Cassandra dipped a bit in the spring but stays ahead of HBase for now. HBase is really the only tool that has a consistently positive trend since February. It should overtake Cassandra by the end of the year. Redis and CouchDB both show a very slight decline in the past few months. Consistent with the Indeed trend, Riak is showing some growth the past few months. Couchbase and SimpleDB trail the group with flat trends.
Lastly, we look at the relative growth from Indeed:
HBase continues to grow like a weed with the other tools lagging significantly. Cassandra is still growing rapidly and maintains a solid growth lead over the other tools. MongoDB continues to grow and outpaces Redis and Riak which have almost identical growing trends. Couchbase is starting to grow this year, and is outpacing CouchDB and SimpleDB which barely register any growth on this chart.
It really looks like the major players in the NoSQL space is not going to change much.
The Couchbase and CouchDB differentiation sounds like it will blur even more as Couchbase starts updating CouchDB again. UPDATE: Cloudant is pushing some features to CouchDB, while Couchbase is still very separate. My apologies for the confusion. SimpleDB is not gaining adoption like the other tools, but if Amazon continues to support it I would not be surprised if it does start to grow at some point. Obviously, the continued growth of each of these tools really shows how much activity there is in the NoSQL space and that these are tools that we all need to start learning.
As always, if there are other NoSQL tools that should be included, please let me know in the comments.
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