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_r341645141
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File path:
flink-runtime/src/main/java/org/apache/flink/runtime/clusterframework/BootstrapTools.java
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@@ -513,6 +514,76 @@ public static Configuration
cloneConfiguration(Configuration configuration) {
return clonedConfiguration;
}
+ /**
+ * Format the default gc logging options
+ * @param logDirectory to save the gc log
+ * @return the formatted gc logging options string
+ */
+ public static String getGCLoggingOpts(String logDirectory) {
+ return "-Xloggc:" + logDirectory + "/gc.log " +
+ "-XX:+PrintGCApplicationStoppedTime " +
+ "-XX:+PrintGCDetails " +
+ "-XX:+PrintGCDateStamps " +
+ "-XX:+UseGCLogFileRotation " +
+ "-XX:NumberOfGCLogFiles=10 " +
+ "-XX:GCLogFileSize=10M " +
+ "-XX:+PrintPromotionFailure " +
+ "-XX:+PrintGCCause";
+ }
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