rbalamohan commented on a change in pull request #157:
URL: https://github.com/apache/tez/pull/157#discussion_r735219708
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File path:
tez-runtime-internals/src/main/java/org/apache/tez/runtime/task/TaskReporter.java
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@@ -83,6 +85,7 @@
private final String containerIdStr;
private final ListeningExecutorService heartbeatExecutor;
+ private static final MemoryUsage heapMemoryUsage =
ManagementFactory.getMemoryMXBean().getHeapMemoryUsage();
Review comment:
Default task->am interval is around 100ms. So this may be invoked ~10
times in a second. i.e 10 calls per second. Check if that is absolutely needed,
or you could refresh this every 5 second.
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