GitHub user liancheng opened a pull request:
https://github.com/apache/spark/pull/3060
[SQL] Fixes race condition in CliSuite
`CliSuite` has been flaky for a while, this PR tries to improve this
situation by fixing a race condition in `CliSuite`. The `captureOutput`
function is used to capture both stdout and stderr output of the forked
external process in two background threads and search for expected strings, but
wasn't been properly synchronized before.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/liancheng/spark fix-cli-suite
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/3060.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 #3060
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commit a70569cc0a0f89433e61224732a3fe09aa2669f7
Author: Cheng Lian <l...@databricks.com>
Date: 2014-11-02T10:00:47Z
Fixes race condition in CliSuite
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