abstractdog commented on a change in pull request #157:
URL: https://github.com/apache/tez/pull/157#discussion_r736317538
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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:
oh, makes sense, I'll get only memoryMXBean in advance
I haven't realized heartbeat happens so often, I'll simply make it query the
actual memory in every n seconds
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