Github user uce commented on a diff in the pull request:
https://github.com/apache/incubator-flink/pull/246#discussion_r21105847
--- Diff: docs/config.md ---
@@ -36,26 +39,29 @@ master/coordinator of the distributed system (DEFAULT:
localhost).
- `jobmanager.rpc.port`: The port number of the JobManager (DEFAULT: 6123).
- `jobmanager.heap.mb`: JVM heap size (in megabytes) for the JobManager
-(DEFAULT: 256).
+(DEFAULT: 256). You may have to increase the heap size for the JobManager
if you are running
+very large applications (with may operators), or if you are keeping a long
history of them.
--- End diff --
Actually, we should remove the default values from the config so the JVM
decides on how much to use depending on the available memory (also for the task
manager).
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