wsry commented on a change in pull request #9750: [FLINK-14139][rest]Fix
potential memory leak problem of rest server.
URL: https://github.com/apache/flink/pull/9750#discussion_r327920270
##########
File path:
flink-runtime/src/main/java/org/apache/flink/runtime/rest/RestServerEndpoint.java
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@@ -113,6 +115,15 @@ public RestServerEndpoint(RestServerEndpointConfiguration
configuration) throws
this.responseHeaders = configuration.getResponseHeaders();
terminationFuture = new CompletableFuture<>();
+
+ // the clean up of temp files when jvm exits is handled by
org.apache.flink.util.ShutdownHookUtil; thus,
+ // it's no need to register those files (post chunks and upload
file chunks) to java.io.DeleteOnExitHook
+ // which may lead to memory leak.
+ DiskAttribute.deleteOnExitTemporaryFile = false;
+ DiskFileUpload.deleteOnExitTemporaryFile = false;
+
+ // share the same directory with file upload for post chunks
storage.
+ DiskAttribute.baseDirectory =
uploadDir.normalize().toAbsolutePath().toString();
Review comment:
I have updated the pr.
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