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YARN-9365. Fix table creation command in TimelineServiceV2.md

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Rohith Sharma K S 2019-03-19 12:05:28 +05:30
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hadoop-yarn-project/hadoop-yarn/hadoop-yarn-site/src/site/markdown/TimelineServiceV2.md
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@ -252,9 +252,33 @@ For example,
```
##### <a name="Create_schema"> </a>Step 3) Create the timeline service schema
The schema creation can be run on the hbase cluster which is going to store the timeline
service tables. The schema creator tool requires both the timelineservice-hbase as well
as the hbase-server jars. Hence, during schema creation, you need to ensure that the
hbase classpath contains the yarn-timelineservice-hbase jar.
On the hbase cluster, you can get it from hdfs since we placed it there for the
coprocessor in the step above.
```
hadoop fs -get /hbase/coprocessor/hadoop-yarn-server-timelineservice-hbase-client-${project.version}.jar <local-dir>/.
hadoop fs -get /hbase/coprocessor/hadoop-yarn-server-timelineservice-${project.version}.jar <local-dir>/.
hadoop fs -get /hbase/coprocessor/hadoop-yarn-server-timelineservice-hbase-common-${project.version}.jar <local-dir>/.
```
Next, add it to the hbase classpath as follows:
```
export HBASE_CLASSPATH=$HBASE_CLASSPATH:/home/yarn/hadoop-current/share/hadoop/yarn/timelineservice/hadoop-yarn-server-timelineservice-hbase-client-${project.version}.jar
export HBASE_CLASSPATH=$HBASE_CLASSPATH:/home/yarn/hadoop-current/share/hadoop/yarn/timelineservice/hadoop-yarn-server-timelineservice-${project.version}.jar
export HBASE_CLASSPATH=$HBASE_CLASSPATH:/home/yarn/hadoop-current/share/hadoop/yarn/timelineservice/hadoop-yarn-server-timelineservice-hbase-common-${project.version}.jar
```
Finally, run the schema creator tool to create the necessary tables:
bin/hadoop org.apache.hadoop.yarn.server.timelineservice.storage.TimelineSchemaCreator -create
```
bin/hbase org.apache.hadoop.yarn.server.timelineservice.storage.TimelineSchemaCreator -create
```
The `TimelineSchemaCreator` tool supports a few options that may come handy especially when you
are testing. For example, you can use `-skipExistingTable` (`-s` for short) to skip existing tables