Java. Lang. OutOfMemoryError

[#1]

Iam using Ambari. I ran few queries and got the following errors: Vertex failed, vertexName=Map 1, vertexId=vertex_1469016431837_0001_1_00, diagnostics= Task failed, taskId=task_1469016431837_0001_1_00_000000, diagnostics= TaskAttempt 0 failed, info= Error: Failure while running task:java.lang.RuntimeException: java.lang.OutOfMemoryError: Java heap space at org.apache.hadoop.hive.ql.exec.tez.TezProcessor.initializeAndRunProcessor(TezProcessor.java:159) at org.apache.hadoop.hive.ql.exec.tez.TezProcessor.run(TezProcessor.java:139)

[#2]

I tried to go in tez-site.xml and increased the resource size but i can't write in that file

[#3 · Accepted solution]

@Rajinder Kaur

If you are using Ambari, then you can modify the properties from Ambari and restart affected services. If performing the changes manually, check the owner of the file and modify the file as owner of the file. Regarding configurations, refer to below post with similar issue:

https://community.hortonworks.com/questions/5780/hive-on-tez-query-map-output-outofmemoryerror-java....

Hope this helps.

Thanks and Regards,

Sindhu