org.openstreetmap.atlas.generator.tools.filesystem

Class FileSystemPerformanceHelper

java.lang.Object

org.openstreetmap.atlas.generator.tools.filesystem.FileSystemPerformanceHelper

public final class FileSystemPerformanceHelper
extends java.lang.Object

When working with a FileSystem that is slow at renaming, this provides a hack to speed up the rename of output files. The rename calls made by Spark are sent to many threads.

Field Summary

Fields

Modifier and Type	Field and Description
static int	NUMBER_POOL_THREADS
static int	POOL_MINUTES_BEFORE_KILL

Method Summary

Modifier and Type	Method and Description
static boolean	executeRename(java.util.concurrent.Callable<java.lang.Boolean> renameOperation)
static void	openRenamePool()
static void	waitForAndCloseRenamePool()

Methods inherited from class java.lang.Object

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

Field Detail

NUMBER_POOL_THREADS

public static final int NUMBER_POOL_THREADS

See Also:

Constant Field Values

POOL_MINUTES_BEFORE_KILL

public static final int POOL_MINUTES_BEFORE_KILL

See Also:

Constant Field Values

Method Detail

executeRename

public static boolean executeRename(java.util.concurrent.Callable<java.lang.Boolean> renameOperation)

openRenamePool

public static void openRenamePool()

waitForAndCloseRenamePool

public static void waitForAndCloseRenamePool()