GitHub user tankkyo opened a pull request:
https://github.com/apache/spark/pull/12857
[SPARK-15059] [CORE] Remove fine-grained lock in ChildFirstURLClassLoader
to avoid dead lock
## What changes were proposed in this pull request?
In some cases, fine-grained lock have race condition with class-loader lock
and have caused dead lock issue. It is safe to drop this fine grained lock and
load all classes by single class-loader lock.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/tankkyo/spark master
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/12857.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 #12857
----
commit f131cd871d9b4202cad65d5b6d0e967d51713a01
Author: Zheng Tan <[email protected]>
Date: 2016-05-03T01:10:56Z
Fix SPARK-15059: remove fine-grained lock in ChildFirstURLClassLoader
----
---
If your project is set up for it, you can reply to this email and have your
reply appear on GitHub as well. If your project does not have this feature
enabled and wishes so, or if the feature is enabled but not working, please
contact infrastructure at [email protected] or file a JIRA ticket
with INFRA.
---
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
