Re: Errors while upgrading from 1.1.10 version to 1.2.4 version

2013-06-30 Thread Ananth Gundabattula
Thanks for the pointer Fabien.


From: Fabien Rousseau fab...@yakaz.commailto:fab...@yakaz.com
Reply-To: user@cassandra.apache.orgmailto:user@cassandra.apache.org 
user@cassandra.apache.orgmailto:user@cassandra.apache.org
Date: Friday, June 28, 2013 6:35 PM
To: user@cassandra.apache.orgmailto:user@cassandra.apache.org 
user@cassandra.apache.orgmailto:user@cassandra.apache.org
Subject: Re: Errors while upgrading from 1.1.10 version to 1.2.4 version

Hello,

Have a look at : https://issues.apache.org/jira/browse/CASSANDRA-5476


2013/6/28 Ananth Gundabattula 
agundabatt...@threatmetrix.commailto:agundabatt...@threatmetrix.com
Hello Everybody,

We were performing an upgrade of our cluster from 1.1.10 version to 1.2.4 . We 
tested the upgrade process in a QA environment and found no issues. However in 
the production node, we faced loads of errors and had to abort the upgrade 
process.

I was wondering how we ran into such a situation. The main difference between 
the QA environment and the production environments is the Replication Factor. 
In QA , RF=1 and in production RF=3.

Example stack traces are  as seen on the other nodes are : 
http://pastebin.com/fSnMAd8q

The other observation is that the node which was being upgraded is a seed node 
in the 1.1.10. We aborted right after the first node gave the above issues. 
Does this mean that there will be an application downtime required if we go for 
rolling upgrade on a live cluster from 1.1.10 version to 1.2.4 version ?

Regards,
Ananth







--
Fabien Rousseau

[http://www.yakaz.com/img/logo_yakaz_small.png]
mailto:aur...@yakaz.comwww.yakaz.comhttp://www.yakaz.com/


Re: Errors while upgrading from 1.1.10 version to 1.2.4 version

2013-06-28 Thread Fabien Rousseau
Hello,

Have a look at : https://issues.apache.org/jira/browse/CASSANDRA-5476


2013/6/28 Ananth Gundabattula agundabatt...@threatmetrix.com

 Hello Everybody,

 We were performing an upgrade of our cluster from 1.1.10 version to 1.2.4
 . We tested the upgrade process in a QA environment and found no issues.
 However in the production node, we faced loads of errors and had to abort
 the upgrade process.

 I was wondering how we ran into such a situation. The main difference
 between the QA environment and the production environments is the
 Replication Factor. In QA , RF=1 and in production RF=3.

 Example stack traces are  as seen on the other nodes are :
 http://pastebin.com/fSnMAd8q

 The other observation is that the node which was being upgraded is a seed
 node in the 1.1.10. We aborted right after the first node gave the above
 issues. Does this mean that there will be an application downtime required
 if we go for rolling upgrade on a live cluster from 1.1.10 version to 1.2.4
 version ?

 Regards,
 Ananth







-- 
Fabien Rousseau
*
*
 aur...@yakaz.comwww.yakaz.com


Errors while upgrading from 1.1.10 version to 1.2.4 version

2013-06-27 Thread Ananth Gundabattula
Hello Everybody,

We were performing an upgrade of our cluster from 1.1.10 version to 1.2.4 . We 
tested the upgrade process in a QA environment and found no issues. However in 
the production node, we faced loads of errors and had to abort the upgrade 
process.

I was wondering how we ran into such a situation. The main difference between 
the QA environment and the production environments is the Replication Factor. 
In QA , RF=1 and in production RF=3.

Example stack traces are  as seen on the other nodes are : 
http://pastebin.com/fSnMAd8q

The other observation is that the node which was being upgraded is a seed node 
in the 1.1.10. We aborted right after the first node gave the above issues. 
Does this mean that there will be an application downtime required if we go for 
rolling upgrade on a live cluster from 1.1.10 version to 1.2.4 version ?

Regards,
Ananth