[jira] [Created] (SPARK-5152) Let metrics.properties file take an hdfs:// path

["Ryan Williams (JIRA)" <ji...@apache.org>]

Ryan Williams created SPARK-5152:
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             Summary: Let metrics.properties file take an hdfs:// path
                 Key: SPARK-5152
                 URL: https://issues.apache.org/jira/browse/SPARK-5152
             Project: Spark
          Issue Type: Improvement
          Components: Spark Core
    Affects Versions: 1.2.0
            Reporter: Ryan Williams


>From my reading of [the code|https://github.com/apache/spark/blob/06dc4b5206a578065ebbb6bb8d54246ca007397f/core/src/main/scala/org/apache/spark/metrics/MetricsConfig.scala#L53], the {{spark.metrics.conf}} property must be a path that is resolvable on the local filesystem of each executor.

Running a Spark job with {{--conf spark.metrics.conf=hdfs://.../metrics.properties}} logs many errors (~1 per executor, presumably?) like:

{code}
15/01/08 13:20:57 ERROR metrics.MetricsConfig: Error loading configure file
java.io.FileNotFoundException: hdfs:/demeter-nn1.demeter.hpc.mssm.edu/user/willir31/metrics.properties (No such file or directory)
        at java.io.FileInputStream.open(Native Method)
        at java.io.FileInputStream.<init>(FileInputStream.java:146)
        at java.io.FileInputStream.<init>(FileInputStream.java:101)
        at org.apache.spark.metrics.MetricsConfig.initialize(MetricsConfig.scala:53)
        at org.apache.spark.metrics.MetricsSystem.<init>(MetricsSystem.scala:92)
        at org.apache.spark.metrics.MetricsSystem$.createMetricsSystem(MetricsSystem.scala:218)
        at org.apache.spark.SparkEnv$.create(SparkEnv.scala:329)
        at org.apache.spark.SparkEnv$.createExecutorEnv(SparkEnv.scala:181)
        at org.apache.spark.executor.CoarseGrainedExecutorBackend$$anonfun$run$1.apply$mcV$sp(CoarseGrainedExecutorBackend.scala:131)
        at org.apache.spark.deploy.SparkHadoopUtil$$anon$1.run(SparkHadoopUtil.scala:61)
        at org.apache.spark.deploy.SparkHadoopUtil$$anon$1.run(SparkHadoopUtil.scala:60)
        at java.security.AccessController.doPrivileged(Native Method)
        at javax.security.auth.Subject.doAs(Subject.java:415)
        at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1548)
        at org.apache.spark.deploy.SparkHadoopUtil.runAsSparkUser(SparkHadoopUtil.scala:60)
        at org.apache.spark.executor.CoarseGrainedExecutorBackend$.run(CoarseGrainedExecutorBackend.scala:113)
        at org.apache.spark.executor.CoarseGrainedExecutorBackend$.main(CoarseGrainedExecutorBackend.scala:163)
        at org.apache.spark.executor.CoarseGrainedExecutorBackend.main(CoarseGrainedExecutorBackend.scala)
{code}

which seems consistent with the idea that it's looking on the local filesystem and not parsing the "scheme" portion of the URL.

Letting all executors get their {{metrics.properties}} files from one location on HDFS would be an improvement, right?



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