Merged Apache branch-1.6 #153
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A common problem that users encounter with Spark 1.6.0 is that writing to a partitioned parquet table OOMs. The root cause is that parquet allocates a significant amount of memory that is not accounted for by our own mechanisms. As a workaround, we can ensure that only a single file is open per task unless the user explicitly asks for more. Author: Michael Armbrust <[email protected]> Closes apache#11308 from marmbrus/parquetWriteOOM. (cherry picked from commit 173aa94) Signed-off-by: Michael Armbrust <[email protected]>
…ome special character ## What changes were proposed in this pull request? When there are some special characters (e.g., `"`, `\`) in `label`, DAG will be broken. This patch just escapes `label` to avoid DAG being broken by some special characters ## How was the this patch tested? Jenkins tests Author: Shixiong Zhu <[email protected]> Closes apache#11309 from zsxwing/SPARK-13298. (cherry picked from commit a11b399) Signed-off-by: Andrew Or <[email protected]>
In SparkSQLCLI, we have created a `CliSessionState`, but then we call `SparkSQLEnv.init()`, which will start another `SessionState`. This would lead to exception because `processCmd` need to get the `CliSessionState` instance by calling `SessionState.get()`, but the return value would be a instance of `SessionState`. See the exception below. spark-sql> !echo "test"; Exception in thread "main" java.lang.ClassCastException: org.apache.hadoop.hive.ql.session.SessionState cannot be cast to org.apache.hadoop.hive.cli.CliSessionState at org.apache.hadoop.hive.cli.CliDriver.processCmd(CliDriver.java:112) at org.apache.spark.sql.hive.thriftserver.SparkSQLCLIDriver.processCmd(SparkSQLCLIDriver.scala:301) at org.apache.hadoop.hive.cli.CliDriver.processLine(CliDriver.java:376) at org.apache.spark.sql.hive.thriftserver.SparkSQLCLIDriver$.main(SparkSQLCLIDriver.scala:242) at org.apache.spark.sql.hive.thriftserver.SparkSQLCLIDriver.main(SparkSQLCLIDriver.scala) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at org.apache.spark.deploy.SparkSubmit$.org$apache$spark$deploy$SparkSubmit$$runMain(SparkSubmit.scala:691) at org.apache.spark.deploy.SparkSubmit$.doRunMain$1(SparkSubmit.scala:180) at org.apache.spark.deploy.SparkSubmit$.submit(SparkSubmit.scala:205) at org.apache.spark.deploy.SparkSubmit$.main(SparkSubmit.scala:120) at org.apache.spark.deploy.SparkSubmit.main(SparkSubmit.scala) Author: Daoyuan Wang <[email protected]> Closes apache#9589 from adrian-wang/clicommand. (cherry picked from commit 5d80fac) Signed-off-by: Michael Armbrust <[email protected]> Conflicts: sql/hive/src/main/scala/org/apache/spark/sql/hive/client/ClientWrapper.scala
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