tweise 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_r391209772
##########
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();
currentClient = preparedClients.get(client);
if (currentClient == null) {
// we are using this client for the first time
preparedClients.put(client, currentClient = prepare(client,
executableStage));
// cleanup any expired clients
- preparedClients.keySet().removeIf(c -> c.bundleRefCount.get() == 0);
+ preparedClients.keySet().removeIf(c -> c.bundleRefCount.get() <= 0);
Review comment:
On the flip side, this could hide a bug in the reference counting. That
could be covered with tests though. Not important for this PR.
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