org.apache.hadoop.hive.ql.exec
Class Heartbeater

java.lang.Object
  org.apache.hadoop.hive.ql.exec.Heartbeater

public class Heartbeater
extends Object

Class to handle heartbeats for MR and Tez tasks.

Constructor Summary

Heartbeater(HiveTxnManager txnMgr, org.apache.hadoop.conf.Configuration conf)

Method Summary

void	heartbeat() Send a heartbeat to the metastore for locks and transactions.

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Heartbeater

public Heartbeater(HiveTxnManager txnMgr,
                   org.apache.hadoop.conf.Configuration conf)

Parameters:

txnMgr - transaction manager for this operation

conf - Configuration for this operation

Method Detail

heartbeat

public void heartbeat()
               throws IOException

Send a heartbeat to the metastore for locks and transactions.

Throws:

IOException