zhijiangW commented on a change in pull request #8485: [FLINK-12555] Introduce
an encapsulated metric group layout for shuffle API
URL: https://github.com/apache/flink/pull/8485#discussion_r292257121
##########
File path:
flink-runtime/src/main/java/org/apache/flink/runtime/taskmanager/Task.java
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@@ -359,21 +360,13 @@ public Task(
final String taskNameWithSubtaskAndId = taskNameWithSubtask + "
(" + executionId + ')';
- // add metrics for buffers
- final MetricGroup buffersGroup =
metrics.getIOMetricGroup().addGroup("buffers");
-
- // similar to MetricUtils.instantiateNetworkMetrics() but
inside this IOMetricGroup
- final MetricGroup networkGroup =
metrics.getIOMetricGroup().addGroup("Network");
- final MetricGroup outputGroup = networkGroup.addGroup("Output");
- final MetricGroup inputGroup = networkGroup.addGroup("Input");
+ ShuffleIOOwnerContext taskShuffleContext = shuffleEnvironment
+ .createShuffleIOOwnerContext(taskNameWithSubtaskAndId,
executionId, metrics.getIOMetricGroup());
// produced intermediate result partitions
final ResultPartitionWriter[] resultPartitionWriters =
shuffleEnvironment.createResultPartitionWriters(
Review comment:
But the vars of `taskShuffleContext` and following `gates` are not defined
as final. ATM only `taskNameWithSubtaskAndId` and `resultPartitionWriters` are
final. Or we could make the new added `taskShuffleContext` as final to keep
consistency.
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