sanha commented on a change in pull request #112: [NEMO-179] Delayed Task
Cloning
URL: https://github.com/apache/incubator-nemo/pull/112#discussion_r211809145
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File path:
runtime/master/src/main/java/edu/snu/nemo/runtime/master/BlockManagerMaster.java
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@@ -85,6 +86,7 @@ private BlockManagerMaster(final MessageEnvironment
masterMessageEnvironment) {
/**
* Initializes the states of a block which will be produced by a producer
task.
+ * This method is idempotent thanks to the 'Set' data structures.
Review comment:
Why should it be idempotent? If it is due to the characteristic of
scheduler, please add some comments about it.
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