[openstack-dev] [sahara] Sahara + Cinder use cases?
daniele.venzano at eurecom.fr
Wed Apr 8 08:51:42 UTC 2015
Did you have any success in finding Sahara and Cinder use cases?
Using Cinder one loses the data locality property around which hadoop and hdfs are built, so I am curious of what benefits there are in such a configuration.
From: Jacob Liberman [mailto:jliberma at redhat.com]
Sent: Tuesday 24 March 2015 19:34
To: openstack-dev at lists.openstack.org
Subject: [openstack-dev] [sahara] Sahara + Cinder use cases?
I am working on a Sahara doc bug:
[DOC] Features overview suggests Cinders to increase reliability
I am doing some research for this update. What are the use cases for Sahara + Cinder?
1. Cinder-backed Sahara for persistent data
2. Booting Sahara instances from Cinder volumes
Can option #1 be used in conjunction with existing plugin images?
Are there any docs on using Cinder volumes in place of ephemeral?
(similar to the docs describing how to use Swift-backed EDP)
The Cinder integration test mounts a few volumes to instances but does not use them.
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