GitHub user tedyu opened a pull request:
https://github.com/apache/spark/pull/9054
Use ForkJoinPool as executorService
ForkJoinPool: threads are created only if there are waiting tasks. They
expire after 2seconds (it's
hardcoded in the jdk code).
ForkJoinPool is better than ThreadPoolExecutor
It's available in the JDK 1.7
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/tedyu/spark master
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/9054.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 #9054
----
commit 7c096c442ace2a1ef411e1755a3abf9f7fe04a50
Author: tedyu <[email protected]>
Date: 2015-10-09T16:50:22Z
Use VectorizedOrcInputFormat in place of OrcInputFormat
commit 6896968e9c8b0a13f7ad2bdc020014f89c1bca08
Author: tedyu <[email protected]>
Date: 2015-10-10T00:01:40Z
Rollback VectorizedOrcInputFormat
commit e5e0883f36de376a1daab29440a3b18c9ae84087
Author: tedyu <[email protected]>
Date: 2015-10-10T00:06:14Z
Use ForkJoinPool as executorService
commit 43c4730ae4264af9549142f1d8e5fe710ce15d73
Author: tedyu <[email protected]>
Date: 2015-10-10T00:06:52Z
Add import for ForkJoinPool
----
---
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]
