Look for log messages at the ERROR level first to find out why it's crashing.
Check for GC pressure during the repair, either using JConsole or log messages
from the GCInspector.
Check the nodetool tpstats to get an idea if the nodes are saturated, i.e. are
their tasks in the pending list.
Hey all;
So, we have Cassandra running on a 5-server ring, with a RF of 3, and
we're regularly seeing major slowdowns in read write performance while
running nodetool repair, as well as the occasional Cassandra crash
during the repair window - slowdowns past 10 seconds to perform a single
