alluxio.master.file

Class DefaultFileSystemMaster.Metrics

java.lang.Object

alluxio.master.file.DefaultFileSystemMaster.Metrics

Enclosing class:

DefaultFileSystemMaster

public static final class DefaultFileSystemMaster.Metrics
extends Object

Class that contains metrics for FileSystemMaster. This class is public because the counter names are referenced in WebInterfaceAbstractMetricsServlet.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	DefaultFileSystemMaster.Metrics.UFSOps UFS operations enum.

Field Summary

Fields

Modifier and Type	Field and Description
static Map<DefaultFileSystemMaster.Metrics.UFSOps,String>	UFS_OPS_DESC

Method Summary

Modifier and Type	Method and Description
static com.codahale.metrics.Counter	getUfsOpsSavedCounter(AlluxioURI ufsUri, DefaultFileSystemMaster.Metrics.UFSOps ufsOp) Get operations saved per ufs counter.
static void	registerGauges(UfsManager ufsManager, InodeTree inodeTree) Register some file system master related gauges.

Methods inherited from class java.lang.Object

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

Field Detail

UFS_OPS_DESC

public static final Map<DefaultFileSystemMaster.Metrics.UFSOps,String> UFS_OPS_DESC

Method Detail

getUfsOpsSavedCounter

public static com.codahale.metrics.Counter getUfsOpsSavedCounter(AlluxioURI ufsUri,
                                                                 DefaultFileSystemMaster.Metrics.UFSOps ufsOp)

Get operations saved per ufs counter.

Parameters:

ufsUri - ufsUri

ufsOp - ufs operation

Returns:

the counter object

registerGauges

public static void registerGauges(UfsManager ufsManager,
                                  InodeTree inodeTree)

Register some file system master related gauges.

Parameters:

ufsManager - the under filesystem manager

inodeTree - the inodeTree