AW: How to interpret some GC logs

this should help you: https://blogs.oracle.com/poonam/entry/understanding_cms_gc_logs Best Regards, Sebastian Martinka Von: Michał Łowicki [mailto:mlowi...@gmail.com] Gesendet: Montag, 1. Juni 2015 11:47 An: user@cassandra.apache.org Betreff: How to interpret some GC logs Hi, Normally I get

AW: check active queries on cluster

You could enable DEBUG logging for org.apache.cassandra.transport.Message and TRACE logging for org.apache.cassandra.cql3.QueryProcessor in the log4j-server.properties file: log4j.logger.org.apache.cassandra.transport.Message=DEBUG log4j.logger.org.apache.cassandra.cql3.QueryProcessor=TRACE

new data not flushed to sstables

System and Keyspace Information: 4 Nodes Cassandra 2.0.9 cqlsh 4.1.1 CQL spec 3.1.1 Thrift protocol 19.39.0 java version 1.8.0_20 Java(TM) SE Runtime Environment (build 1.8.0_20-b26) Java HotSpot(TM) 64-Bit Server VM (build 25.20-b23, mixed mode) CREATE KEYSPACE restore_test WITH replication = {