Hi , 

I got the error as below.

It seems we need to set memory for physical memory , but i can't find the configation about it.

Where can i set physical memory?

But the way , i just run some simple insert query in HIVE, 

and this error not happened on every time , i want to get the reason.

ERROR:

Diagnostic Messages for this Task:
Container [pid=51661,containerID=container_e50_1493005386967_25486_01_000243] is running beyond physical memory limits. Current usage: 1.0 GB of 1 GB physical memory used; 2.7 GB of 2.1 GB virtual memory used. Killing container.
Dump of the process-tree for container_e50_1493005386967_25486_01_000243 :
|- PID PPID PGRPID SESSID CMD_NAME USER_MODE_TIME(MILLIS) SYSTEM_TIME(MILLIS) VMEM_USAGE(BYTES) RSSMEM_USAGE(PAGES) FULL_CMD_LINE
|- 51661 51659 51661 51661 (bash) 0 0 108662784 305 /bin/bash -c /usr/java/jdk1.8.0_101/bin/java -Djava.net.preferIPv4Stack=true -Dhadoop.metrics.log.level=WARN.............