cassandra-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Jonathan Haddad <...@jonhaddad.com>
Subject Re: Upgrading from Cassandra 1.2.14 to Cassandra 2.10
Date Thu, 29 Jan 2015 19:11:59 GMT
> Once they have fully joined the cluster I would like to decommission a
single Cassandra 1.2.14 instance, and repeat.

Do not do this.  Upgrade your nodes in place.

On Thu Jan 29 2015 at 6:17:26 AM Sibbald, Charles <Charles.Sibbald@bskyb.com>
wrote:

>  Hi All,
>
>  I am looking into the possibility of upgrading from Cassandra 1.2.14 to
> Cassandra 2.1 in the following manor.
>
>  I have a large Cassandra cluster with dozens of nodes, and would like to
> build new instances at version 2.1 to join the cluster and once they have
> successfully joined the rink these should then stream data in.
>
>  Once they have fully joined the cluster I would like to decommission a
> single Cassandra 1.2.14 instance, and repeat.
>
>  Due to the fact that our 2.1 installations have a different directory
> layout we would like to go with this ‘streaming’ option for the upgrade
> rather than an inplace upgrade.
>
>  Does anyone foresee any issues with this.
>
>  Thanks in advance.
>
>  Regards
>
>  Charles
> Information in this email including any attachments may be privileged,
> confidential and is intended exclusively for the addressee. The views
> expressed may not be official policy, but the personal views of the
> originator. If you have received it in error, please notify the sender by
> return e-mail and delete it from your system. You should not reproduce,
> distribute, store, retransmit, use or disclose its contents to anyone.
> Please note we reserve the right to monitor all e-mail communication
> through our internal and external networks. SKY and the SKY marks are
> trademarks of British Sky Broadcasting Group plc and Sky International AG
> and are used under licence. British Sky Broadcasting Limited (Registration
> No. 2906991), Sky-In-Home Service Limited (Registration No. 2067075) and
> Sky Subscribers Services Limited (Registration No. 2340150) are direct or
> indirect subsidiaries of British Sky Broadcasting Group plc (Registration
> No. 2247735). All of the companies mentioned in this paragraph are
> incorporated in England and Wales and share the same registered office at
> Grant Way, Isleworth, Middlesex TW7 5QD.
>

Mime
View raw message