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https://issues.apache.org/jira/browse/BEAM-8624?focusedWorklogId=369371&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-369371
]
ASF GitHub Bot logged work on BEAM-8624:
----------------------------------------
Author: ASF GitHub Bot
Created on: 09/Jan/20 21:22
Start Date: 09/Jan/20 21:22
Worklog Time Spent: 10m
Work Description: lukecwik commented on pull request #10115: [BEAM-8624]
Implement Worker Status FnService in Dataflow runner
URL: https://github.com/apache/beam/pull/10115#discussion_r364961777
##########
File path:
runners/java-fn-execution/src/main/java/org/apache/beam/runners/fnexecution/status/BeamWorkerStatusGrpcService.java
##########
@@ -92,90 +92,97 @@ public void close() throws Exception {
WorkerStatusClient fnApiStatusClient =
WorkerStatusClient.forRequestObserver(workerId, requestObserver);
- fnApiStatusClient.setDeregisterCallback(this.connectedClient::remove);
- if (connectedClient.containsKey(workerId) &&
connectedClient.get(workerId).isDone()) {
- LOG.info(
- "SDK Worker {} was connected to status server previously,
disconnecting the old client",
- workerId);
- try {
- WorkerStatusClient oldClient = connectedClient.get(workerId).get();
- oldClient.close();
- } catch (IOException | InterruptedException | ExecutionException e) {
- LOG.warn("Error closing worker status client", e);
- }
- }
- connectedClient
- .computeIfAbsent(workerId, k -> new CompletableFuture<>())
- .complete(fnApiStatusClient);
+ connectedClient.compute(
+ workerId,
+ (k, existingClientFuture) -> {
+ if (existingClientFuture != null) {
+ try {
+ if (existingClientFuture.isDone()) {
+ LOG.info(
+ "SDK Worker {} was connected to status server previously,
disconnecting old client",
+ workerId);
+ existingClientFuture.get().close();
+ } else {
+ existingClientFuture.complete(fnApiStatusClient);
+ return existingClientFuture;
+ }
+ } catch (IOException | InterruptedException | ExecutionException
e) {
+ LOG.warn("Error closing worker status client", e);
+ }
+ }
+ return CompletableFuture.completedFuture(fnApiStatusClient);
+ });
return fnApiStatusClient.getResponseObserver();
}
/**
- * Get the latest SDK worker status from the client's corresponding SDK
Harness.
+ * Get the latest SDK worker status from the client's corresponding SDK
harness.
*
* @param workerId worker id of the SDK harness.
* @return {@link CompletableFuture} of WorkerStatusResponse from SDK
harness.
*/
- public CompletableFuture<WorkerStatusResponse> getWorkerStatus(String
workerId) {
+ public String getSingleWorkerStatus(String workerId, long timeout, TimeUnit
timeUnit) {
+ if (!connectedClient.containsKey(workerId)) {
Review comment:
This check here is not needed since getWorkerStatus will return a completed
future and getWorkerStatus needs to do that work otherwise you expose a race
where connectedClient is mutated after this check but before getWorkerStatus is
invoked.
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Issue Time Tracking
-------------------
Worklog Id: (was: 369371)
Time Spent: 14.5h (was: 14h 20m)
> Implement FnService for status api in Dataflow runner
> -----------------------------------------------------
>
> Key: BEAM-8624
> URL: https://issues.apache.org/jira/browse/BEAM-8624
> Project: Beam
> Issue Type: Sub-task
> Components: runner-dataflow
> Reporter: Yichi Zhang
> Assignee: Yichi Zhang
> Priority: Major
> Time Spent: 14.5h
> Remaining Estimate: 0h
>
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