You are upgrading to 2.0 in Prod? What is the urgency?
On Sun, Sep 22, 2013 at 7:02 PM, Shashilpi Krishan < shashilpi.kris...@wizecommerce.com> wrote: > Hi Everyone. > > > > We had a Cassandra cluster (running with v1.0.7) spread across 3 data > centers with each data center having 16 nodes. We started upgrading that to > 2.0 but realized that we can’t go directly to 2.0 due to read failures, > hence to avoid down time we have to go from 1.0 à 1.1 à 1.2 à 2.0. > > > > Now problem is while upgrading from 1.2 à 2.0 we saw below errors > flooding the system.log files in one data center only until we upgraded all > the nodes in every DC to 2.0. We think that moment last node was upgraded > then this error was gone. Does anyone has idea what could have been causing > this? Is it because of some version incompatibility? > > > > ERROR [MutationStage:208] 2013-09-21 17:51:08,163 > RowMutationVerbHandler.java (line 63) Error in row mutation > > java.io.EOFException > > at java.io.DataInputStream.readFully(DataInputStream.java:197) > > at > org.apache.cassandra.net.CompactEndpointSerializationHelper.deserialize(CompactEndpointSerializationHelper.java:37) > > at > org.apache.cassandra.db.RowMutationVerbHandler.forwardToLocalNodes(RowMutationVerbHandler.java:81) > > at > org.apache.cassandra.db.RowMutationVerbHandler.doVerb(RowMutationVerbHandler.java:49) > > at > org.apache.cassandra.net.MessageDeliveryTask.run(MessageDeliveryTask.java:56) > > at > java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) > > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) > > at java.lang.Thread.run(Thread.java:722) > ------------------------------ > > *Thanks & Regards* > > * > Shashilpi Krishan* > > > > CONFIDENTIALITY NOTICE > ====================== > This email message and any attachments are for the exclusive use of the > intended recipient(s) and may contain confidential and privileged > information. Any unauthorized review, use, disclosure or distribution is > prohibited. If you are not the intended recipient, please contact the > sender by reply email and destroy all copies of the original message along > with any attachments, from your computer system. If you are the intended > recipient, please be advised that the content of this message is subject to > access, review and disclosure by the sender's Email System Administrator. >
