Improved Acrolinx Score

Acrolinx Score

Author: sreekzz

articles/hdinsight/hdinsight-troubleshoot-yarn.md

@@ -131,7 +131,7 @@ These changes are visible immediately on the YARN Scheduler UI.
 
 ### Yarn UI isn't loading
 
-If your YARN UI isn't loading or is unreachable, and it returns "HTTP Error 502.3 - Bad Gateway," it highly indicates your ResourceManager service is unhealthy. To mitigate the issue, follow these steps:
+If your YARN UI isn't loading or is unreachable, and it returns "HTTP Error 502.3 - Bad Gateway," it highly indicates your Resource Manager service is unhealthy. To mitigate the issue, follow these steps:
 
 1. Go to **Ambari UI** > **YARN** > **SUMMARY** and check to see if only the active Resource Manager is in the **Started** state. If not, try to mitigate by restarting the unhealthy or stopped Resource Manager.
 2. If step 1 doesn't resolve the issue, SSH the active Resource Manager head node and check the garbage collection status using `jstat -gcutil <Resource Manager pid> 1000 100`. If you see the **FGCT** increase significantly in just a few seconds, it indicates Resource Manager is busy in *Full GC*, and is unable to process the other requests.
@@ -146,7 +146,7 @@ Service RMActiveServices failed in state STARTED; cause: org.apache.hadoop.servi
 ```
 2. If the error exists, check to see if some files are under replication or if there are missing blocks in the HDFS. You can run `hdfs fsck hdfs://mycluster/`
 
-3. Run `hdfs fsck hdfs://mycluster/ -delete` too forcefully clean up the HDFS and to get rid of the standby RM issue. Alternatively, run [PatchYarnNodeLabel](https://hdiconfigactions.blob.core.windows.net/hadoopcorepatchingscripts/PatchYarnNodeLabel.sh) on one of headnodes to patch the cluster.
+3. Run `hdfs fsck hdfs://mycluster/ -delete` too forcefully cleanup the HDFS and to get rid of the standby RM issue. Alternatively, run [PatchYarnNodeLabel](https://hdiconfigactions.blob.core.windows.net/hadoopcorepatchingscripts/PatchYarnNodeLabel.sh) on one of headnodes to patch the cluster.
 
 ## Next steps