Github user JoshRosen commented on a diff in the pull request:
https://github.com/apache/spark/pull/2351#discussion_r18098324
--- Diff: docs/configuration.md ---
@@ -207,6 +207,25 @@ Apart from these, the following properties are also
available, and may be useful
</td>
</tr>
<tr>
+ <td><code>spark.python.profile</code></td>
+ <td>false</td>
+ <td>
+ Enable profiling in Python worker, the profile result will show up by
`sc.show_profiles()`,
+ or it will be displayed before the driver exiting. It also can be
dumped into disk by
+ `sc.dump_profiles(path)`. If some of the profile results had been
displayed maually,
+ they will not be displayed automatically before driver exiting.
--- End diff --
Ah, right. If it's been manually dumped, the it won't be dumped again when
exiting. If it's been manually dumped _or_ displayed, then it won't be
displayed when exiting.
This makes sense; sorry for the confusion.
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