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Questions tagged [riak]

Riak is a key/value data store written in Erlang. It implements principles from Amazon's Dynamo paper.

Riak is a NoSQL database implementing the principles from Amazon's Dynamo paper. Riak is designed to deliver maximum data availability by distributing data across multiple servers. As long as your Riak client can reach one Riak server, it should be able to write data.

While Riak is typically known as an eventually consistent system, beginning with version 2.0 it can be used either as an eventually or strongly consistent system, and these two approaches can be mixed and matched in a single cluster.

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storing data in riak_ensemble

I am exploring riak_ensemble from this repository [basho\riak_ensemble] I am trying to find a way to store a data using this library. I've run the riak_ensemble via shell. after run application:ensure_all_started(riak_ensemble), I don't know what…
indi60
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Riak python, how to properly connect to a server pool?

If my Riak cluster is filled with 5 machines (riak1, riak2...) , should I create a RiakClient with a single host or the complete list of 5 machines in order to achieve redundancy, is there automated discovery of node members…
Guibod
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Riak, is there an advantage to shortening bucket name?

I plan to store a whole lot bunch of data in a Riak bucket. As the documentation shows, the bucket name is stored in the object…
Guibod
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Newly added global gen server can receive cast messages from vnode but not from riak_client in Riak_Kv

I added a new global gen server to riak_kv, which works as a sequencer. I need to send a cast message to this gen server from both vnode and riak_client (before spawning the fsm in riak client).When I start the gen server, the cast message from…
Chathuri Gunawardhana
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Installation of Riak under Ubuntu 14.04 LTS

I cant bring riak to work on Ubuntu 14.04. LTS using the bash instructions under http://docs.basho.com/riak/latest/ops/building/installing/debian-ubuntu/. When running riak start I get: riak failed to start within 15 seconds, see the output of 'riak…
mgreschke
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django riak integration for data storage

I am trying to use RIAK database instead of sqlite3 for storage. I came across below git repository: https://github.com/oubiwann-unsupported/django-riak-engine.git Followed the steps mentioned on github but i am getting the error. Got a post related…
kk.
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Erlang locking for riak database update

I am doing a project with riak database and I am accessing it from an erlang application. I know that erlang escapes race conditions on resources by allowing data to be immutable and no data sharing between processes. In my application, I will be…
user4852164
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how to get all bucket types in riak using http get

I know how to list all bucket types using command line .reference http://stackoverflow.com/questions/30785431/how-to-list-all-the-bucket-types-in-riak But I need it using HTTP call
achan1989
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Configuring riak-ruby to work with docker cluster

I installed a riak cluster with the following: http://basho.com/posts/technical/riak-quick-start-with-docker/ When trying the very basic commands on http://basho.github.io/riak-ruby-client/ the client hangs in a.store I ran my dockers in a VM in…
Nick Ginanto
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Cassandra: can I index and query along a third dimension?

I want to put a third dimension criteria on queries in Cassandra. It already alows efficient 2-d queries because it is not simply a key-value store, but actually a key-key value store. That is: Simple key-value store: Key-key-value store: So the…
Thomas Browne
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How to debug Access Denied error by Riak CS?

On a fresh Centos server I've installed Riak CS 2.1.1 on top of Riak 2.1.3 with Stanchion 2.1.1 using official guide. I was able to create new users when anonymous_user_creation is enabled in Riak CS conf file. But when I disable it and try to…
skaurus
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eJabberd with Riak

I have configured a Riak cluster and all is well. I configured ejabberd.yml to talk to it but the last few lines I see in the logs are as below and I can't figure out how to debug it any further. Anyone able to help? Change ejabberd install user…
stevenlivz
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Is there an efficient way to process data expiration / massive deletion (to free space) with Riak on leveldb?

On Riak : Is there a way to process data expiration or to dump old data to free some space? Is it efficient ? Edit: Thanks to Joe to provide the answer and its workaround (answer down). Data expiration should be thought from the very beginning as…
Tremo
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Is Riak bucket object cachable?

When using Basho's Python client, getting a value for a key consists of two operations: getting a bucket getting a value from a bucket Like this: bucket = client.bucket(bucket_name) value = bucket.get(key) I occasionally get None back for the…
Schultz9999
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How to download Riak TS package from Zendesk

I am trying to install riak-ts version 1.0.0 and on this page. They mention download package is available from ZenDesk, but in zendesk site I did not find such link.
Gunjesh Kant Singh
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