Package org.apache.hadoop.yarn.server.resourcemanager.blacklist

Interface BlacklistManager

All Known Implementing Classes:

DisabledBlacklistManager, SimpleBlacklistManager

@Private
public interface BlacklistManager

Tracks blacklists based on failures reported on nodes.

Method Summary

Modifier and Type	Method	Description
void	addNode(java.lang.String node)	Report failure of a container on node.
org.apache.hadoop.yarn.api.records.ResourceBlacklistRequest	getBlacklistUpdates()	Get ResourceBlacklistRequest that indicate which nodes should be added or to removed from the blacklist.
void	refreshNodeHostCount(int nodeHostCount)	Refresh the number of NodeManagers available for scheduling.

Method Detail

addNode

void addNode(java.lang.String node)

Report failure of a container on node.

Parameters:

node - that has a container failure

getBlacklistUpdates

org.apache.hadoop.yarn.api.records.ResourceBlacklistRequest getBlacklistUpdates()

Get ResourceBlacklistRequest that indicate which nodes should be added or to removed from the blacklist.

Returns:

ResourceBlacklistRequest

refreshNodeHostCount

void refreshNodeHostCount(int nodeHostCount)

Refresh the number of NodeManagers available for scheduling.

Parameters:

nodeHostCount - is the number of node hosts.