tillrohrmann commented on a change in pull request #9703: [FLINK-14038]Add
default GC options for flink on yarn to facilitate debugging
URL: https://github.com/apache/flink/pull/9703#discussion_r339307874
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File path:
flink-runtime/src/test/java/org/apache/flink/runtime/clusterframework/BootstrapToolsTest.java
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@@ -143,13 +143,29 @@ public void testSubstituteConfigKeyPrefix() {
@Test
public void testGetTaskManagerShellCommand() {
final Configuration cfg = new Configuration();
+ cfg.setBoolean(CoreOptions.FLINK_JVM_DEFAULT_GC_LOGGING, true);
final ContaineredTaskManagerParameters containeredParams =
new ContaineredTaskManagerParameters(1024, 768, 256, 4,
new HashMap<String, String>());
// no logging, with/out krb5
final String java = "$JAVA_HOME/bin/java";
final String jvmmem = "-Xms768m -Xmx768m
-XX:MaxDirectMemorySize=256m";
+ final String defaultGCLoggingOpts =
+ "-Xloggc:./logs/gc.log " +
+ "-XX:+PrintGCApplicationStoppedTime " +
+ "-XX:+PrintGCDetails " +
+ "-XX:+PrintGCDateStamps " +
+ "-XX:+UseGCLogFileRotation " +
+ "-XX:NumberOfGCLogFiles=10 " +
+ "-XX:GCLogFileSize=10M " +
+ "-XX:+PrintPromotionFailure " +
+ "-XX:+PrintGCCause";
+ final String heapdumpOpts =
+ "-XX:+HeapDumpOnOutOfMemoryError " +
+
"-XX:HeapDumpPath=/tmp/test-flink-taskmanager-heapdump.hprof " +
+ "-XX:OnOutOfMemoryError=\"echo -e
'OutOfMemoryError! Killing current process %p...\nCheck gc logs and heapdump
file(/tmp/test-flink-taskmanager-heapdump.hprof) for details.' > " +
+ "./logs/taskmanager.err; kill -9 %p\"";
Review comment:
Can we substitute this with `getGCLoggingOpts` and `getHeapdumpOpts`?
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