mxm commented on a change in pull request #11084: [BEAM-9474] Improve
robustness of BundleFactory and ProcessEnvironment
URL: https://github.com/apache/beam/pull/11084#discussion_r391256990
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File path:
runners/java-fn-execution/src/main/java/org/apache/beam/runners/fnexecution/control/DefaultJobBundleFactory.java
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@@ -352,20 +407,18 @@ public RemoteBundle getBundle(
// The blocking queue of caches for serving multiple bundles
concurrently.
currentCache = availableCaches.take();
client = currentCache.getUnchecked(executableStage.getEnvironment());
- client.ref();
Review comment:
Yes, that makes sense. I've already reverted the change.
I suppose there is a race condition where we retrieve an environment X and
before we can call `ref()` on it, we evict the environment X, close all its
references, and shut it down. This will result in a job restart.
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