In which step you got this error? This is also important for analysis the issue.
2017-08-28 10:01 GMT+08:00 周湘伦 <[email protected]>: > Hi,all > When i built cube,some error hapeend(java.lang.OutOfMemoryError). > > The version as belows: > jdk1.8.0_131,kylin-2.0.0 > > The ram is 8g. > > Some configure properties belows: > <property> > <name>mapreduce.map.memory.mb</name> > <value>5120</value> > <description></description> > </property> > > <property> > <name>mapreduce.map.java.opts</name> > <value>-Xmx4096m -XX:OnOutOfMemoryError='kill -9 %p'</value> > <description></description> > </property> > > The log is : > # java.lang.OutOfMemoryError: Java heap space > # -XX:OnOutOfMemoryError="kill -9 %p" > # Executing /bin/sh -c "kill -9 26605"... > > Then i check the log of gc: > ... > 2017-08-27T11:16:41.112+0800: 85553.167: [Full GC (Allocation Failure) > 2017-08-27T11:16:41.112+0800: 85553.168: [CMS2017-08-27T11:16:43.369+0800: > 85555.424: [CMS-concurrent-mark: 2.287/2.288 secs] [Times: user=2.34 > sys=0.00, real=2.29 secs] > (concurrent mode failure): 3853567K->3853567K(3853568K), 7.3121409 secs] > 4080766K->4063993K(4080768K), [Metaspace: 109873K->109873K(1148928K)], > 7.3122661 secs] [Times: user=7.31 sys=0.00, real=7.32 secs] > 2017-08-27T11:16:48.453+0800: 85560.508: [Full GC (Allocation Failure) > 2017-08-27T11:16:48.453+0800: 85560.508: [CMS: > 3853567K->3853567K(3853568K), 5.1092943 secs] 4080766K->4064637K(4080768K), > [Metaspace: 109873K->109873K(1148928K)], 5.1094013 secs] [Times: user=5.09 > sys=0.00, real=5.11 secs] > 2017-08-27T11:16:53.563+0800: 85565.618: [GC (CMS Initial Mark) [1 > CMS-initial-mark: 3853567K(3853568K)] 4064639K(4080768K), 0.0862505 secs] > [Times: user=0.16 sys=0.00, real=0.08 secs] > 2017-08-27T11:16:53.649+0800: 85565.704: [CMS-concurrent-mark-start] > 2017-08-27T11:16:53.678+0800: 85565.734: [Full GC (Allocation Failure) > 2017-08-27T11:16:53.679+0800: 85565.734: [CMS2017-08-27T11:16:55.983+0800: > 85568.038: [CMS-concurrent-mark: 2.333/2.334 secs] [Times: user=2.37 > sys=0.01, real=2.34 secs] > ... > > Maybe is the error of java Garbage Collection,so i how to solve the > problem?(maybe modify the properties) > > Thanks a lot. > -- Best regards, Shaofeng Shi 史少锋
