Github user SaintBacchus commented on a diff in the pull request:
https://github.com/apache/spark/pull/9026#discussion_r42205797
--- Diff: yarn/src/main/scala/org/apache/spark/deploy/yarn/Client.scala ---
@@ -1272,11 +1272,24 @@ object Client extends Logging {
val mirror = universe.runtimeMirror(getClass.getClassLoader)
try {
- val hiveClass =
mirror.classLoader.loadClass("org.apache.hadoop.hive.ql.metadata.Hive")
- val hive = hiveClass.getMethod("get").invoke(null)
-
- val hiveConf = hiveClass.getMethod("getConf").invoke(hive)
val hiveConfClass =
mirror.classLoader.loadClass("org.apache.hadoop.hive.conf.HiveConf")
+ val hiveConf = hiveConfClass.newInstance()
+
+ // Set metastore to be a local temp directory to avoid conflict of
the `metaStore client`
+ // in `HiveContext` which will use the same derby dataBase by
default.
+ val hiveConfSet = (param: String, value: String) => hiveConfClass
+ .getMethod("set", classOf[Unit])
+ .invoke(hiveConf, param, value)
+ val tempDir = Utils.createTempDir()
+ val localMetastore = new File(tempDir, "metastore")
+ hiveConfSet("hive.metastore.warehouse.dir",
localMetastore.toURI.toString)
+ hiveConfSet("javax.jdo.option.ConnectionURL",
+
s"jdbc:derby:;databaseName=${localMetastore.getAbsolutePath};create=true")
+ hiveConfSet("datanucleus.rdbms.datastoreAdapterClassName",
+ "org.datanucleus.store.rdbms.adapter.DerbyAdapter")
+
+ val hiveClass =
mirror.classLoader.loadClass("org.apache.hadoop.hive.ql.metadata.Hive")
+ val hive = hiveClass.getMethod("get").invoke(null,
hiveConf.asInstanceOf[Object])
--- End diff --
Good idea
---
If your project is set up for it, you can reply to this email and have your
reply appear on GitHub as well. If your project does not have this feature
enabled and wishes so, or if the feature is enabled but not working, please
contact infrastructure at [email protected] or file a JIRA ticket
with INFRA.
---
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
