We have Titan setup with Cassandra as it's storage.backend. We have a cluster of 3 Cassandra nodes. We are seeing the following error when one of the Cassandra nodes fail/shutdown.
This is the error that gets logged. Any help on this will be really appreciated.
INFO CountingConnectionPoolMonitor:194 - AddHost: 10.76.54.7
ERROR ConnectionPoolMBeanManager:74 - com.netflix.MonitoredResources:type=ASTYANAX,name=KeyspaceTitanConnectionPool,ServiceType=connectionpool
ERROR ConnectionPoolMBeanManager:74 - com.netflix.MonitoredResources:type=ASTYANAX,name=ClusterTitanConnectionPool,ServiceType=connectionpool
INFO GraphDatabaseConfiguration:1518 - Generated unique-instance-id=3217005b14357-titan-m21e
INFO ConnectionPoolMBeanManager:53 - Registering mbean: com.netflix.MonitoredResources:type=ASTYANAX,name=ClusterTitanConnectionPool,ServiceType=connectionpool
INFO CountingConnectionPoolMonitor:194 - AddHost: 10.76.54.44
INFO CountingConnectionPoolMonitor:194 - AddHost: 10.76.54.57
INFO CountingConnectionPoolMonitor:194 - AddHost: 10.76.54.7
INFO ConnectionPoolMBeanManager:53 - Registering mbean: com.netflix.MonitoredResources:type=ASTYANAX,name=KeyspaceTitanConnectionPool,ServiceType=connectionpool
INFO CountingConnectionPoolMonitor:194 - AddHost: 10.76.54.44
INFO CountingConnectionPoolMonitor:194 - AddHost: 10.76.54.57
INFO CountingConnectionPoolMonitor:194 - AddHost: 10.76.54.7
INFO Backend:459 - Configuring index [search]
INFO plugins:151 - [Donald Ritter] loaded [], sites []
INFO ElasticSearchIndex:354 - Configured remote host: 10.76.54.15 : 9300
INFO ElasticSearchIndex:354 - Configured remote host: 10.76.54.24 : 9300
INFO ElasticSearchIndex:354 - Configured remote host: 10.77.170.171 : 9300
INFO Backend:176 - Initiated backend operations thread pool of size 16
INFO KCVSLog:730 - Loaded unidentified ReadMarker start time 2016-02-16T23:45:27.539Z into com.thinkaurelius.titan.diskstorage.log.kcvs.KCVSLog$MessagePuller@49f59d47