[OpenStack-Infra] [openstack-dev][Ceilometer][MagnetoDB] HBase database in devstack

Ilya Sviridov isviridov at mirantis.com
Tue Apr 8 15:18:11 UTC 2014


Hello infra and devstack,


I would like to start thread about adding of nosql databases support to
devstack for development and gating purposes.

Currently there is necessity of HBase and Cassandra in MagnetoDB project
for running tempest tests.

We have implemented Cassandra as part of MagnetoDB devstack integration (
https://github.com/stackforge/magnetodb/tree/master/contrib/devstack) and
started working on HBase now (
https://blueprints.launchpad.net/magnetodb/+spec/devstack-add-hbase).

>From other side, HBase and Cassandra are supported as database backends in
Ceilometer and it can be useful for development and gating to have it in
devstack.

So, it looks like common task for both projects and eventually will be
integrated to devstack, so I'm suggesting to start that discussion in order
push ahead with it.

Cassandra and HBase are both Java applications, so come with JDK as
dependency. It is proved we can use OpenJDK available in debian repos.

The database itself are distributed in two ways:

- as debian packages build and hosted by software vendors
     HBase deb http://public-repo-1.hortonworks.com/HDP/ubuntu12/2.x HDP
main
     Cassandra deb http://debian.datastax.com/community  stable main
- as tar.gz hosted on Apache Download Mirrors
     HBase  http://www.apache.org/dyn/closer.cgi/hbase/
     Cassandra http://www.apache.org/dyn/closer.cgi/cassandra/

The distributions provided by Apache Foundation looks more reliable, but I
heard, that third party sources can be not stable enough to introduce them
as dependencies in devstack gating.

I have registered BP in devstack project about adding HBase
https://blueprints.launchpad.net/devstack/+spec/add-hbase-to-devstack and
we have started working on it.

Please share your thoughts about it to help make it real.
Thank you.


Have a nice day,
Ilya Sviridov
isviridov @ FreeNode
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