Pritpal Singh created SPARK-24448:
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Summary: File not found on the address SparkFiles.get returns on
standalone cluster
Key: SPARK-24448
URL: https://issues.apache.org/jira/browse/SPARK-24448
Project: Spark
Issue Type: Bug
Components: Spark Core
Affects Versions: 2.2.1
Reporter: Pritpal Singh
I want to upload a file on all worker nodes in a standalone cluster and
retrieve the location of file. Here is my code
val tempKeyStoreLoc = System.getProperty("java.io.tmpdir") + "/keystore.jks"
val file = new File(tempKeyStoreLoc)
sparkContext.addFile(file.getAbsolutePath)
val keyLoc = SparkFiles.get("keystore.jks")
SparkFiles.get returns a random location where keystore.jks does not exist. I
submit the job in cluster mode. In fact the location Spark.Files returns does
not exist on any of the worker nodes (including the driver node).
I observed that Spark does load keystore.jks files on worker nodes at
<SPARK_HOME>/work/<app_id>/<partition_id>/keystore.jks. The partition_id
changes from one worker node to another.
My requirement is to upload a file on all nodes of a cluster and retrieve its
location. I'm expecting the location to be common across all worker nodes.
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