(adding michael armbrust and josh rosen for visibility)
ok. roughly 9% of all spark tests builds (including both PRB builds
are failing due to GC overhead limits.
$ wc -l SPARK_TEST_BUILDS GC_FAIL
1350 SPARK_TEST_BUILDS
125 GC_FAIL
here are the affected builds (over the past ~2 weeks):
$ sort builds.raw | uniq -c
6 NewSparkPullRequestBuilder
1 spark-branch-2.0-test-sbt-hadoop-2.6
6 spark-branch-2.1-test-maven-hadoop-2.7
1 spark-master-test-maven-hadoop-2.4
10 spark-master-test-maven-hadoop-2.6
12 spark-master-test-maven-hadoop-2.7
5 spark-master-test-sbt-hadoop-2.2
15 spark-master-test-sbt-hadoop-2.3
11 spark-master-test-sbt-hadoop-2.4
16 spark-master-test-sbt-hadoop-2.6
22 spark-master-test-sbt-hadoop-2.7
20 SparkPullRequestBuilder
please note i also included the spark 1.6 test builds in there just to
check... they last ran ~1 month ago, and had no GC overhead failures.
this leads me to believe that this behavior is quite recent.
so yeah... looks like we (someone other than me?) needs to take a
look at the sbt and maven java opts. :)
shane
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