wonook commented on a change in pull request #18: [NEMO-45] Distributed
Nemo-Spark
URL: https://github.com/apache/incubator-nemo/pull/18#discussion_r190495950
##########
File path:
compiler/frontend/spark/src/main/java/edu/snu/nemo/compiler/frontend/spark/sql/SparkSession.java
##########
@@ -311,7 +319,39 @@ public Builder master(final String master) {
@Override
public SparkSession getOrCreate() {
-
UserGroupInformation.setLoginUser(UserGroupInformation.createRemoteUser("nemo_user"));
+ if (!options.containsKey("spark.master")) { // default spark_master
option.
+ return this.master("local[*]").getOrCreate();
+ }
+
+
UserGroupInformation.setLoginUser(UserGroupInformation.createRemoteUser("ubuntu"));
+
+ if (!options.containsKey("nemo.appName")) { // Called while compilation
+ try {
+ // get and override configurations from JobLauncher.
+ final Configuration configurations = JobLauncher.getBuiltJobConf();
+ final Injector injector =
Tang.Factory.getTang().newInjector(configurations);
+
+ this.config("nemo.appName",
injector.getNamedInstance(JobConf.JobId.class));
+ this.config("nemo.appArgs",
injector.getNamedInstance(JobConf.UserMainArguments.class));
+ this.config("nemo.fileDirectory",
injector.getNamedInstance(JobConf.FileDirectory.class));
+ final String master =
injector.getNamedInstance(JobConf.DeployMode.class);
+ this.config("nemo.master", master);
+ this.config("nemo.deployMode", master.equals("yarn") ? "cluster" :
"client"); // client or cluster
+ } catch (final InjectionException e) {
+ throw new RuntimeException(e);
+ }
+ } else { // Called by Executor or something else.
Review comment:
If unnecessary, I think it could be removed.
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