Re: Run Repairs when a Node is Down

2016-01-20 Thread Anuj Wadehra
Thanks Paulo for sharing the JIRA !! I have added my comments there. "It is not advisable to remain with a down node for a long time without replacing it (with risk of not being able to achieve consistency if another node goes down)." I am referring to a generic scenario where a cluster may affor

Re: Run Repairs when a Node is Down

2016-01-20 Thread Anuj Wadehra
Thanks Paulo for sharing the JIRA !! I have added my comments there. "It is not advisable to remain with a down node for a long time without replacing it (with risk of not being able to achieve consistency if another node goes down)." I am referring to a generic scenario where a cluster may affor

Re: Run Repairs when a Node is Down

2016-01-18 Thread Paulo Motta
Hello Anuj, Repairing a range with down replicas may be valid if there is still QUORUM up replicas and using at least QUORUM for writes. My understanding is that it was disabled as default behavior on CASSANDRA-2290 to avoid misuse/confusion, and its not advisable to remain with a down node for a

Run Repairs when a Node is Down

2016-01-16 Thread Anuj Wadehra
Hi  We are on 2.0.14,RF=3 in a 3 node cluster. We use repair -pr . Recently, we observed that repair -pr for all nodes fails if a node is down. Then I found the JIRA  https://issues.apache.org/jira/plugins/servlet/mobile#issue/CASSANDRA-2290 where an intentional decision was taken to abort the re