It's an inter node timeout waiting for the read to complete. Normally means the
cluster is overloaded in some fashion, check for GC activity and/or overloaded
IOPs.
If you reduce the batch_size it should help.
Cheers
-
Aaron Morton
Freelance Cassandra Consultant
New Zealand
I'm having problems with Hadoop job failures on a Cassandra 1.2 cluster due to
Caused by: TimedOutException()
2013-06-24 11:29:11,953 INFO Driver -at
org.apache.cassandra.thrift.Cassandra$get_range_slices_result.read(Cassandra.java:12932)
This is running on a 6-node cluster, RF=3
