public int executeInProcess(DriverContext driverContext) {
// check the local work
if (work == null) {
return -1;
}
if (execContext == null) {
execContext = new ExecMapperContext(job);
}
memoryMXBean = ManagementFactory.getMemoryMXBean();
long startTime = System.currentTimeMillis();
console.printInfo(
Utilities.now()
+ "\tStarting to launch local task to process map join;\tmaximum memory = "
+ memoryMXBean.getHeapMemoryUsage().getMax());
execContext.setJc(job);
// set the local work, so all the operator can get this context
execContext.setLocalWork(work);
try {
startForward(null);
long currentTime = System.currentTimeMillis();
long elapsed = currentTime - startTime;
console.printInfo(
Utilities.now()
+ "\tEnd of local task; Time Taken: "
+ Utilities.showTime(elapsed)
+ " sec.");
} catch (Throwable throwable) {
if (throwable instanceof OutOfMemoryError
|| (throwable instanceof MapJoinMemoryExhaustionException)) {
l4j.error("Hive Runtime Error: Map local work exhausted memory", throwable);
return 3;
} else {
l4j.error("Hive Runtime Error: Map local work failed", throwable);
return 2;
}
}
return 0;
}
