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https://issues.apache.org/jira/browse/BEAM-9474?focusedWorklogId=401704&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-401704
]
ASF GitHub Bot logged work on BEAM-9474:
----------------------------------------
Author: ASF GitHub Bot
Created on: 11/Mar/20 19:23
Start Date: 11/Mar/20 19:23
Worklog Time Spent: 10m
Work Description: tweise commented on pull request #11084: [BEAM-9474]
Improve robustness of BundleFactory and ProcessEnvironment
URL: https://github.com/apache/beam/pull/11084#discussion_r391207665
##########
File path:
runners/java-fn-execution/src/main/java/org/apache/beam/runners/fnexecution/control/DefaultJobBundleFactory.java
##########
@@ -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:
Below, `preparedClients.keySet().removeIf(c -> c.bundleRefCount.get() <=
0);` removes everything that isn't referenced. These two statements are
logically one unit and hence I prefer to not scatter them:
```
client = currentCache.getUnchecked(executableStage.getEnvironment());
client.ref();
client.ref();
```
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Issue Time Tracking
-------------------
Worklog Id: (was: 401704)
Time Spent: 5h 20m (was: 5h 10m)
> Environment cleanup is not robust enough and may leak resources
> ---------------------------------------------------------------
>
> Key: BEAM-9474
> URL: https://issues.apache.org/jira/browse/BEAM-9474
> Project: Beam
> Issue Type: Bug
> Components: java-fn-execution
> Reporter: Maximilian Michels
> Assignee: Maximilian Michels
> Priority: Major
> Time Spent: 5h 20m
> Remaining Estimate: 0h
>
> The cleanup code in {{DefaultJobBundleFactory}} and its {{RemoteEnvironment}}
> s may leak resources. This is especially a concern when the execution engines
> reuses the same JVM or underlying machines for multiple runs of a pipeline.
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