Multi-site Active-Active replication - Preparing Sites - Cluster Name and Snitch

2014-03-16 Thread Matthew Allen
Hi all, New to this list, so apologies in advance if I in inadvertently break some of the guidelines. We currently have 2 geographically separate Cassandra/Application clusters (running in active/warm-standby mode), that I am looking to enable replication between so that we can have an active/act

Re: Exception in thread event_loop

2014-03-16 Thread Sundeep Kambhampati
Thank you for the reply. I installed libev. However, it throwing a new exception. I searched online but couldn't find much help. File "Utils/readDataCassandra.py", line 6, in from cassandra.io.libevreactor import LibevConnection File "/usr/local/lib/python2.7/site-packages/cassandra/io/li

Re: Exception in thread event_loop

2014-03-16 Thread Laing, Michael
A possible workaround - not a fix - might be to install libev so the libev event loop is used. See http://datastax.github.io/python-driver/installation.html Also be sure you are running the latest version: 1.0.2 I believe. Your ';' is outside of your 'str' - actually shouldn't be a problem tho.

Exception in thread event_loop

2014-03-16 Thread Sundeep Kambhampati
Hi, I am using cassandra-2.0.4. When I execute following python code, I often get an exception mentioned below. Sometimes it works fine but most of the times it throws an error. All the nodes are up and running. Data in second column of table is huge, few thousand characters long and there around