GitHub user zsxwing opened a pull request:
https://github.com/apache/spark/pull/12188
Add thread-safe comments for CoarseGrainedSchedulerBackend's fields
## What changes were proposed in this pull request?
While I was reviewing #12078, I found most of
CoarseGrainedSchedulerBackend's mutable fields doesn't have any comments about
the thread-safe assumptions and it's hard for people to figure out which part
of codes should be protected by the lock. This PR just added
comments/annotations for them and also added strict access modifiers for some
fields.
## How was this patch tested?
Existing unit tests.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/zsxwing/spark comments
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/12188.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #12188
----
commit 837988f539a4439b35f7e06d753a14b5a3f75ecf
Author: Shixiong Zhu <[email protected]>
Date: 2016-04-05T23:22:01Z
Add thread-safe comments for CoarseGrainedSchedulerBackend's fields
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