Package io.trino.execution.scheduler

Class FixedCountNodeAllocatorService

java.lang.Object

io.trino.execution.scheduler.FixedCountNodeAllocatorService

All Implemented Interfaces:

NodeAllocatorService

@ThreadSafe
public class FixedCountNodeAllocatorService
extends Object
implements NodeAllocatorService

A simplistic node allocation service which only limits number of allocations per node within each FixedCountNodeAllocatorService.FixedCountNodeAllocator instance. Each allocator will allow each node to be acquired up to MAXIMUM_ALLOCATIONS_PER_NODE times at the same time.

Constructor Summary

Constructors

Constructor	Description
FixedCountNodeAllocatorService(NodeScheduler nodeScheduler)

Method Summary

Modifier and Type	Method	Description
NodeAllocator	getNodeAllocator(Session session)
void	start()
void	stop()

Methods inherited from class java.lang.Object

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

Constructor Details

FixedCountNodeAllocatorService

@Inject
public FixedCountNodeAllocatorService(NodeScheduler nodeScheduler)

Method Details

start

@PostConstruct
public void start()

stop

@PreDestroy
public void stop()

getNodeAllocator

public NodeAllocator getNodeAllocator(Session session)

Specified by:

getNodeAllocator in interface NodeAllocatorService