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From gwens...@apache.org
Subject kafka git commit: KAFKA-2613; Make maxParallelForks configurable via Gradle config so it can be turned down on shared build infrastructure.
Date Tue, 13 Oct 2015 01:26:45 GMT
Repository: kafka
Updated Branches:
  refs/heads/trunk dd514b2bb -> d7340503a


KAFKA-2613; Make maxParallelForks configurable via Gradle config so it can be turned down
on shared build infrastructure.

Author: Ewen Cheslack-Postava <me@ewencp.org>

Reviewers: Ismael Juma, Sriharsha Chintalapani

Closes #293 from ewencp/kafka-2613-user-configurable-max-forks


Project: http://git-wip-us.apache.org/repos/asf/kafka/repo
Commit: http://git-wip-us.apache.org/repos/asf/kafka/commit/d7340503
Tree: http://git-wip-us.apache.org/repos/asf/kafka/tree/d7340503
Diff: http://git-wip-us.apache.org/repos/asf/kafka/diff/d7340503

Branch: refs/heads/trunk
Commit: d7340503a14e3f31d96e3582e36c0255cd008e03
Parents: dd514b2
Author: Ewen Cheslack-Postava <me@ewencp.org>
Authored: Mon Oct 12 18:26:38 2015 -0700
Committer: Gwen Shapira <cshapi@gmail.com>
Committed: Mon Oct 12 18:26:38 2015 -0700

----------------------------------------------------------------------
 README.md    | 6 ++++++
 build.gradle | 4 +++-
 2 files changed, 9 insertions(+), 1 deletion(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/kafka/blob/d7340503/README.md
----------------------------------------------------------------------
diff --git a/README.md b/README.md
index a4a3f78..d714df7 100644
--- a/README.md
+++ b/README.md
@@ -105,6 +105,12 @@ Please note for this to work you should create/update `~/.gradle/gradle.properti
 ### Running checkstyle on the java code ###
     ./gradlew checkstyleMain checkstyleTest
 
+### Limit the number of processes for each task ###
+    ./gradlew -Dorg.gradle.project.maxParallelForks=1 test
+
+This will most commonly be useful for automated builds where the full resources of the host
running the build and tests
+may not be dedicated to Kafka's build.
+
 ### Running in Vagrant ###
 
 See [vagrant/README.md](vagrant/README.md).

http://git-wip-us.apache.org/repos/asf/kafka/blob/d7340503/build.gradle
----------------------------------------------------------------------
diff --git a/build.gradle b/build.gradle
index 51d4a78..2b0f66b 100644
--- a/build.gradle
+++ b/build.gradle
@@ -45,6 +45,8 @@ ext {
     gradleVersion = "2.4"
     buildVersionFileName = "kafka-version.properties"
 
+    userMaxForks = project.hasProperty('maxParallelForks') ? maxParallelForks.toInteger()
: null
+
     skipSigning = project.hasProperty('skipSigning') && skipSigning.toBoolean()
     shouldSign = !skipSigning && !version.endsWith("SNAPSHOT")
 
@@ -124,7 +126,7 @@ subprojects {
   }
 
   tasks.withType(Test) {
-    maxParallelForks = Runtime.runtime.availableProcessors()
+    maxParallelForks = userMaxForks ?: Runtime.runtime.availableProcessors()
   }
 
   jar {


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