org.apache.hadoop.hbase.chaos.actions

Class AddCPULoadAction

java.lang.Object

org.apache.hadoop.hbase.chaos.actions.Action

org.apache.hadoop.hbase.chaos.actions.SudoCommandAction

org.apache.hadoop.hbase.chaos.actions.AddCPULoadAction

public class AddCPULoadAction
extends SudoCommandAction

Action that adds high cpu load to a random regionserver for a given duration

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.hadoop.hbase.chaos.actions.Action

Action.ActionContext

Field Summary

Fields

Modifier and Type	Field and Description
private static String	CPU_LOAD_COMMAND
private long	duration
protected static org.slf4j.Logger	LOG
private long	processes

Fields inherited from class org.apache.hadoop.hbase.chaos.actions.SudoCommandAction

clusterManager, timeout

Fields inherited from class org.apache.hadoop.hbase.chaos.actions.Action

cluster, context, initialServers, initialStatus, KILL_DATANODE_TIMEOUT_DEFAULT, KILL_DATANODE_TIMEOUT_KEY, KILL_MASTER_TIMEOUT_DEFAULT, KILL_MASTER_TIMEOUT_KEY, KILL_NAMENODE_TIMEOUT_DEFAULT, KILL_NAMENODE_TIMEOUT_KEY, KILL_RS_TIMEOUT_DEFAULT, KILL_RS_TIMEOUT_KEY, KILL_ZK_NODE_TIMEOUT_DEFAULT, KILL_ZK_NODE_TIMEOUT_KEY, killDataNodeTimeout, killMasterTimeout, killNameNodeTimeout, killRsTimeout, killZkNodeTimeout, START_DATANODE_TIMEOUT_DEFAULT, START_DATANODE_TIMEOUT_KEY, START_MASTER_TIMEOUT_DEFAULT, START_MASTER_TIMEOUT_KEY, START_NAMENODE_TIMEOUT_DEFAULT, START_NAMENODE_TIMEOUT_KEY, START_RS_TIMEOUT_DEFAULT, START_RS_TIMEOUT_KEY, START_ZK_NODE_TIMEOUT_DEFAULT, START_ZK_NODE_TIMEOUT_KEY, startDataNodeTimeout, startMasterTimeout, startNameNodeTimeout, startRsTimeout, startZkNodeTimeout

Constructor Summary

Constructors

Constructor and Description
AddCPULoadAction(long duration, long processes, long timeout) Add high load to cpu

Method Summary

Modifier and Type	Method and Description
private String	getCommand()
protected void	localPerform()

Methods inherited from class org.apache.hadoop.hbase.chaos.actions.SudoCommandAction

init, perform

Methods inherited from class org.apache.hadoop.hbase.chaos.actions.Action

forceBalancer, getConf, getCurrentServers, killDataNode, killMaster, killNameNode, killRs, killZKNode, modifyAllTableColumns, modifyAllTableColumns, resumeRs, setBalancer, startDataNode, startMaster, startNameNode, startRs, startZKNode, stopRs, suspendRs, unbalanceRegions

Methods inherited from class java.lang.Object

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

Field Detail

LOG

protected static final org.slf4j.Logger LOG

CPU_LOAD_COMMAND

private static final String CPU_LOAD_COMMAND

See Also:

Constant Field Values

duration

private final long duration

processes

private long processes

Constructor Detail

AddCPULoadAction

public AddCPULoadAction(long duration,
                        long processes,
                        long timeout)

Add high load to cpu

Parameters:

duration - Duration that this thread should generate the load for in milliseconds

processes - The number of parallel processes, should be equal to cpu threads for max load

Method Detail

localPerform

protected void localPerform()
                     throws IOException

Specified by:

localPerform in class SudoCommandAction

Throws:

IOException

getCommand

private String getCommand()