linyiqun commented on a change in pull request #480: HDDS-2927. Cache EndPoint
tasks instead of creating them all the time in RunningDatanodeState
URL: https://github.com/apache/hadoop-ozone/pull/480#discussion_r370452693
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File path:
hadoop-hdds/container-service/src/main/java/org/apache/hadoop/ozone/container/common/states/datanode/RunningDatanodeState.java
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@@ -98,35 +148,14 @@ public void execute(ExecutorService executor) {
}
}
}
- //TODO : Cache some of these tasks instead of creating them
- //all the time.
- private Callable<EndpointStateMachine.EndPointStates>
- getEndPointTask(EndpointStateMachine endpoint) {
- switch (endpoint.getState()) {
- case GETVERSION:
- return new VersionEndpointTask(endpoint, conf, context.getParent()
- .getContainer());
- case REGISTER:
- return RegisterEndpointTask.newBuilder()
- .setConfig(conf)
- .setEndpointStateMachine(endpoint)
- .setContext(context)
- .setDatanodeDetails(context.getParent().getDatanodeDetails())
- .setOzoneContainer(context.getParent().getContainer())
- .build();
- case HEARTBEAT:
- return HeartbeatEndpointTask.newBuilder()
- .setConfig(conf)
- .setEndpointStateMachine(endpoint)
- .setDatanodeDetails(context.getParent().getDatanodeDetails())
- .setContext(context)
- .build();
- case SHUTDOWN:
- break;
- default:
- throw new IllegalArgumentException("Illegal Argument.");
+
+ private Callable<EndPointStates> getEndPointTask(
+ EndpointStateMachine endpoint) {
+ if (endpointTasks.containsKey(endpoint.toString())) {
+ return endpointTasks.get(endpoint.toString()).get(endpoint.getState());
Review comment:
I just wan to use a more simple identity to indicate the different Endpoint
instance. So I use the endpoint address. But I have updated this to use
Endpoint itself now.
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