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From sb2nov <>
Subject [GitHub] beam pull request #1869: [BEAM-886] Some performance improvements to NewDoFn
Date Mon, 30 Jan 2017 19:30:01 GMT
GitHub user sb2nov opened a pull request:

    [BEAM-886] Some performance improvements to NewDoFn

    - Add types to some of variables for performance
    - Do minimal work in the process function by stashing the placeholders to be replaced.
    R: @robertwb PTAL
    CC: @aaltay
    Be sure to do all of the following to help us incorporate your contribution
    quickly and easily:
     - [x] Make sure the PR title is formatted like:
       `[BEAM-<Jira issue #>] Description of pull request`
     - [x] Make sure tests pass via `mvn clean verify`. (Even better, enable
           Travis-CI on your fork and ensure the whole test matrix passes).
     - [x] 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](

You can merge this pull request into a Git repository by running:

    $ git pull BEAM-886-Add-NewDoFn-class-1-1

Alternatively you can review and apply these changes as the patch at:

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #1869
commit 3427ee1da41ec1d42418615c1eac99be7ffe22a7
Author: Sourabh Bajaj <>
Date:   2017-01-30T19:16:16Z

    Some performance improvements to NewDoFn


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