GitHub user tgroh opened a pull request: https://github.com/apache/incubator-beam/pull/188
[BEAM-22] Improve ParDoEvaluator Factoring Be sure to do all of the following to help us incorporate your contribution quickly and easily: - [ ] Make sure the PR title is formatted like: `[BEAM-<Jira issue #>] Description of pull request` - [ ] Make sure tests pass via `mvn clean verify`. (Even better, enable Travis-CI on your fork and ensure the whole test matrix passes). - [ ] Replace `<Jira issue #>` in the title with the actual Jira issue number, if there is one. - [ ] If this contribution is large, please file an Apache [Individual Contributor License Agreement](https://www.apache.org/licenses/icla.txt). --- This moves shared code into a common location. Clone DoFn instances before constructing the DoFnRunner to avoid races. You can merge this pull request into a Git repository by running: $ git pull https://github.com/tgroh/incubator-beam ippr_better_ParDoEvaluator_factoring Alternatively you can review and apply these changes as the patch at: https://github.com/apache/incubator-beam/pull/188.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 #188 ---- commit ecc26d51cee4ea1568948d48cd3441594f638e39 Author: Thomas Groh <tg...@google.com> Date: 2016-03-30T00:38:22Z Move Shared construction code to ParDoInProcessEvaluator Remove duplicate code in ParDo(Single/Multi)EvaluatorFactory; instead only extract the appropriate elements and pass them to the ParDoInProcessEvaluator.t log commit e47aba0a7097cee8341369594e47e73b83029a50 Author: Thomas Groh <tg...@google.com> Date: 2016-04-15T17:23:15Z Clone DoFns before constructing a DoFnRunner This ensures that each thread gets an individual copy of a DoFn, so multiple threads do not interact. ---- --- 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 infrastruct...@apache.org or file a JIRA ticket with INFRA. ---