On Aug 13, 2010, at 11:41 AM, Jinsong Hu wrote: > > and run the namenode with the following jvm config > -Xmx1000m -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode > -XX:+DisableExplicitGC -XX:+HeapDumpOnOutOfMemoryError -XX:+UseCompressedOops > -XX:+DoEscapeAnalysis -XX:+AggressiveOpts -Xmx2G
Only 2g heap for NN? > This crashing problem doesn't happen with a small cluster of 4 datanodes. but > it happens with a cluster of 17 datanodes. Bump your heap up and try again.
