Fix typos (#2120)

* 修正单词拼写

Signed-off-by: zhangwd3 <[email protected]>

* Correcting spelling mistakes

Signed-off-by: zhangwd3 <[email protected]>

---------

Signed-off-by: zhangwd3 <[email protected]>

Author: daziz

build-engine/src/main/java/org/apache/kylin/engine/mr/IMROutput.java

@@ -27,7 +27,7 @@ public interface IMROutput {
     public IMRBatchCubingOutputSide getBatchCubingOutputSide(CubeSegment seg);
 
     /**
-     * Participate the batch cubing flow as the output side. Responsible for savg
+     * Participate the batch cubing flow as the output side. Responsible for save
      * the cuboid output to storage (Phase 3).
      * 
      * - Phase 1: Create Flat Table

build-engine/src/main/java/org/apache/kylin/engine/mr/common/AbstractHadoopJob.java

@@ -90,7 +90,7 @@ public abstract class AbstractHadoopJob extends Configured implements Tool {
             .isRequired(true).withDescription("Job name. For example, Kylin_Cuboid_Builder-clsfd_v2_Step_22-D)")
             .create(BatchConstants.ARG_JOB_NAME);
     protected static final Option OPTION_CUBE_NAME = OptionBuilder.withArgName(BatchConstants.ARG_CUBE_NAME).hasArg()
-            .isRequired(true).withDescription("Cube name. For exmaple, flat_item_cube")
+            .isRequired(true).withDescription("Cube name. For example, flat_item_cube")
             .create(BatchConstants.ARG_CUBE_NAME);
     protected static final Option OPTION_CUBING_JOB_ID = OptionBuilder.withArgName(BatchConstants.ARG_CUBING_JOB_ID)
             .hasArg().isRequired(false).withDescription("ID of cubing job executable")
@@ -128,7 +128,7 @@ public abstract class AbstractHadoopJob extends Configured implements Tool {
     protected static final Option OPTION_NEED_UPDATE_BASE_CUBOID_SHARD = OptionBuilder
             .withArgName(BatchConstants.ARG_UPDATE_SHARD).hasArg().isRequired(false)
             .withDescription("If need to update base cuboid shard").create(BatchConstants.ARG_UPDATE_SHARD);
-    protected static final Option OPTION_TABLE_NAME = OptionBuilder.withArgName(BatchConstants.ARG_TABLE_NAME).hasArg().isRequired(true).withDescription("Table name. For exmaple, default.table1").create(BatchConstants.ARG_TABLE_NAME);
+    protected static final Option OPTION_TABLE_NAME = OptionBuilder.withArgName(BatchConstants.ARG_TABLE_NAME).hasArg().isRequired(true).withDescription("Table name. For example, default.table1").create(BatchConstants.ARG_TABLE_NAME);
     protected static final Option OPTION_LOOKUP_SNAPSHOT_ID = OptionBuilder.withArgName(BatchConstants.ARG_LOOKUP_SNAPSHOT_ID).hasArg()
             .isRequired(true).withDescription("Lookup table snapshotID")
             .create(BatchConstants.ARG_LOOKUP_SNAPSHOT_ID);