RE: Cassandra 1.x upgrade to Cassandra 2.x

2015-10-08 Thread Caraballo, Rafael
Cassandra 2.x On Thu, Oct 8, 2015 at 7:44 AM, Caraballo, Rafael mailto:rafael.caraba...@twcable.com>> wrote: When planning an upgrade on a 20 node multi DC cluster from Cassandra 1.x to Cassandra 2.x version, does the order of running upgradesstables matter? What is the difference between: (a) u

Cassandra 1.x upgrade to Cassandra 2.x

2015-10-08 Thread Caraballo, Rafael
Hi, When planning an upgrade on a 20 node multi DC cluster from Cassandra 1.x to Cassandra 2.x version, does the order of running upgradesstables matter? What is the difference between: (a) upgrade Cassandra and run upgradesstables one node at a time; -versus- (b) upgrade every Cassandra node, t

Cassandra 2.0.12 - lots of "Got an IOException in internalRead!"

2015-03-31 Thread Caraballo, Rafael
In Cassandra 2.0.12, we are seeing a hundreds of these warning in every node... WARN [Thrift-Selector_16] 2015-03-31 00:48:49,700 Message.java (line 364) Got an IOException in internalRead! java.io.IOException: Connection reset by peer at sun.nio.ch.FileDispatcherImpl.read0(Native Method)

RE: error in bulk loading

2015-03-24 Thread Caraballo, Rafael
Not sure if this will help, but I have had issues with windows file in Unix before and this has worked for me… To remove the ^M characters at the end of all lines in vi, use: :%s/^V^M//g The ^v is a CONTROL-V character and ^m is a CONTROL-M. When you type this, it will look like this: :%s/^M/

Upgrade from 1.2.19 to 2.0.12 -- seeing lots of SliceQueryFilter messages in system.log

2015-03-18 Thread Caraballo, Rafael
After upgrading a 3 node Cassandra cluster from 1.2.19 to 2.0.12, I have an event storm of " SliceQueryFilter" messages flooding the Cassandra system.log file. WARN [ReadStage:1043] 2015-03-18 15:14:12,708 SliceQueryFilter.java (line 231) Read 201 live and 13539 tombstoned cells in KeyspaceMeta