Re: remote datacentre consistency

2013-01-09 Thread Jabbar
other data center. Also >> since Cassandra is self-healing, reads will cause read repairs to correct >> any inconsistent data. >> >> ** ** >> >> Also Cassandra has an anti-entropy mechanism that actively updates >> replicas to the newest version using a Merkle tr

Re: remote datacentre consistency

2013-01-09 Thread aaron morton
> > http://wiki.apache.org/cassandra/AntiEntropy > > > > > > From: Jabbar [mailto:aja...@gmail.com] > Sent: January-08-13 5:34 PM > To: user@cassandra.apache.org > Subject: remote datacentre consistency > > > > I'm a bit confused about

Re: remote datacentre consistency

2013-01-09 Thread Jabbar
** > > ** ** > > ** ** > > *From:* Jabbar [mailto:aja...@gmail.com] > *Sent:* January-08-13 5:34 PM > *To:* user@cassandra.apache.org > *Subject:* remote datacentre consistency > > ** ** > > I'm a bit confused about how a two datacentre apache cassan

RE: remote datacentre consistency

2013-01-09 Thread Simon Guindon
.com] Sent: January-08-13 5:34 PM To: user@cassandra.apache.org Subject: remote datacentre consistency I'm a bit confused about how a two datacentre apache cassandra cluster keeps the data consistent. >From what I understand a client application in datacentre1 contacts a >coordinator node

remote datacentre consistency

2013-01-08 Thread Jabbar
I'm a bit confused about how a two datacentre apache cassandra cluster keeps the data consistent. >From what I understand a client application in datacentre1 contacts a coordinator node which sends the data to the local replicas and it also sends the updates to the remote coordinator in the remote