Package io.trino.filesystem.alluxio

Class AlluxioCoordinatorFileSystemCache

java.lang.Object

io.trino.filesystem.alluxio.AlluxioCoordinatorFileSystemCache

All Implemented Interfaces:

TrinoFileSystemCache

public class AlluxioCoordinatorFileSystemCache
extends Object
implements TrinoFileSystemCache

When AllowFilesystemCacheOnCoordinator is disabled, used to skip caching data on coordinator while still registering alluxio metrics so that JMX queries for metrics can succeed on the coordinator.

Constructor Summary

Constructors

Constructor	Description
AlluxioCoordinatorFileSystemCache(boolean allowFilesystemCacheOnCoordinator, io.opentelemetry.api.trace.Tracer tracer, AlluxioFileSystemCacheConfig config, AlluxioCacheStats statistics)

Method Summary

Modifier and Type	Method	Description
TrinoInput	cacheInput(TrinoInputFile delegate, String key)
TrinoInputStream	cacheStream(TrinoInputFile delegate, String key)
void	expire(Location source)

Methods inherited from class java.lang.Object

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

Constructor Details

AlluxioCoordinatorFileSystemCache

@Inject
public AlluxioCoordinatorFileSystemCache(boolean allowFilesystemCacheOnCoordinator,
 io.opentelemetry.api.trace.Tracer tracer,
 AlluxioFileSystemCacheConfig config,
 AlluxioCacheStats statistics)
                                  throws IOException

Throws:

IOException

Method Details

cacheInput

public TrinoInput cacheInput(TrinoInputFile delegate,
 String key)
                      throws IOException

Specified by:

cacheInput in interface TrinoFileSystemCache

Throws:

IOException

cacheStream

public TrinoInputStream cacheStream(TrinoInputFile delegate,
 String key)
                             throws IOException

Specified by:

cacheStream in interface TrinoFileSystemCache

Throws:

IOException

expire

public void expire(Location source)
            throws IOException

Specified by:

expire in interface TrinoFileSystemCache

Throws:

IOException