[ https://issues.apache.org/jira/browse/CASSANDRA-10449?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Robbie Strickland updated CASSANDRA-10449: ------------------------------------------ Description: I have a 20-node cluster with vnodes (default of 256) and 500-700GB per node. SSTable counts are <10 per table. I am attempting to provision additional nodes, but bootstrapping OOMs every time after about 10 hours with a sudden long GC pause: {noformat} INFO [Service Thread] 2015-10-05 23:33:33,373 GCInspector.java:252 - G1 Old Generation GC in 1586126ms. G1 Old Gen: 49213756976 -> 49072277176; ... ERROR [MemtableFlushWriter:454] 2015-10-05 23:33:33,380 CassandraDaemon.java:223 - Exception in thread Thread[MemtableFlushWriter:454,5,main] java.lang.OutOfMemoryError: Java heap space {noformat} I have tried increasing max heap to 48G just to get through the bootstrap, to no avail. was: I have a 20-node cluster with vnodes (default of 256) and 500-700GB per node. SSTable counts are <10 per node. I am attempting to provision additional nodes, but bootstrapping OOMs every time after about 10 hours with a sudden long GC pause: {noformat} INFO [Service Thread] 2015-10-05 23:33:33,373 GCInspector.java:252 - G1 Old Generation GC in 1586126ms. G1 Old Gen: 49213756976 -> 49072277176; ... ERROR [MemtableFlushWriter:454] 2015-10-05 23:33:33,380 CassandraDaemon.java:223 - Exception in thread Thread[MemtableFlushWriter:454,5,main] java.lang.OutOfMemoryError: Java heap space {noformat} I have tried increasing max heap to 48G just to get through the bootstrap, to no avail. > OOM on bootstrap due to long GC pause > ------------------------------------- > > Key: CASSANDRA-10449 > URL: https://issues.apache.org/jira/browse/CASSANDRA-10449 > Project: Cassandra > Issue Type: Bug > Components: Core > Environment: Ubuntu 14.04 > Reporter: Robbie Strickland > Labels: gc > > I have a 20-node cluster with vnodes (default of 256) and 500-700GB per node. > SSTable counts are <10 per table. I am attempting to provision additional > nodes, but bootstrapping OOMs every time after about 10 hours with a sudden > long GC pause: > {noformat} > INFO [Service Thread] 2015-10-05 23:33:33,373 GCInspector.java:252 - G1 Old > Generation GC in 1586126ms. G1 Old Gen: 49213756976 -> 49072277176; > ... > ERROR [MemtableFlushWriter:454] 2015-10-05 23:33:33,380 > CassandraDaemon.java:223 - Exception in thread > Thread[MemtableFlushWriter:454,5,main] > java.lang.OutOfMemoryError: Java heap space > {noformat} > I have tried increasing max heap to 48G just to get through the bootstrap, to > no avail. -- This message was sent by Atlassian JIRA (v6.3.4#6332)