Re: [openstack-dev] [magnetodb] Backup procedure for Cassandra backend

2014-09-02 Thread Dmitriy Ukhlov
dmako...@mirantis.com *To: *OpenStack Development Mailing List (not for usage questions) openstack-dev@lists.openstack.org *Sent: *Friday, August 29, 2014 4:33:59 PM *Subject: *Re: [openstack-dev] [magnetodb] Backup procedure for Cassandrabackend On Fri, Aug 29, 2014 at 4:29 PM

Re: [openstack-dev] [magnetodb] Backup procedure for Cassandra backend

2014-09-02 Thread Romain Hardouin
On Tue, 2014-09-02 at 17:34 +0300, Dmitriy Ukhlov wrote: Hi Romain! Thank you for useful info about your Cassandra backuping. It's always a pleasure to talk about Cassandra :) We have not tried to tune Cassandra compaction properties yet. MagnetoDB is DynamoDB-like REST API and it

[openstack-dev] [magnetodb] Backup procedure for Cassandra backend

2014-08-29 Thread Denis Makogon
Hello, stackers. I'd like to start thread related to backuping procedure for MagnetoDB, to be precise, for Cassandra backend. In order to accomplish backuping procedure for Cassandra we need to understand how does backuping work. To perform backuping: 1. We need to SSH into each node

Re: [openstack-dev] [magnetodb] Backup procedure for Cassandra backend

2014-08-29 Thread Dmitriy Ukhlov
Hello Denis, Thank you for very useful knowledge sharing. But I have one more question. As far as I understood if we have replication factor 3 it means that our backup may contain three copies of the same data. Also it may contain some not compacted sstables set. Do we have any ability to compact

Re: [openstack-dev] [magnetodb] Backup procedure for Cassandra backend

2014-08-29 Thread Denis Makogon
On Fri, Aug 29, 2014 at 4:29 PM, Dmitriy Ukhlov dukh...@mirantis.com wrote: Hello Denis, Thank you for very useful knowledge sharing. But I have one more question. As far as I understood if we have replication factor 3 it means that our backup may contain three copies of the same data. Also