org.apache.lens.server
Class MetricsServiceImpl

java.lang.Object
  org.apache.hive.service.AbstractService
      org.apache.lens.server.MetricsServiceImpl

All Implemented Interfaces:

org.apache.hive.service.Service, MetricsService

public class MetricsServiceImpl
extends org.apache.hive.service.AbstractService
implements MetricsService

The Class MetricsServiceImpl.

Nested Class Summary

class

MetricsServiceImpl.AsyncQueryStatusListener The listener interface for receiving asyncQueryStatus events.

Nested classes/interfaces inherited from interface org.apache.hive.service.Service

org.apache.hive.service.Service.STATE

Field Summary

static org.apache.log4j.Logger	LOG The Constant LOG.
static String	METRICS_SVC_NAME The Constant METRICS_SVC_NAME.

Fields inherited from interface org.apache.lens.server.api.metrics.MetricsService

ACCEPTED_QUERIES, CANCELLED_QUERIES, FAILED_QUERIES, FINISHED_QUERIES, NAME, QUEUED_QUERIES, RUNNING_QUERIES

Constructor Summary

MetricsServiceImpl(String name)
Instantiates a new metrics service impl.

Method Summary

void	decrCounter(Class<?> cls, String counter)
void	decrCounter(String counter)
long	getCounter(Class<?> cls, String counter)
long	getCounter(String counter)
long	getFinishedQueries()
long	getQueuedQueries()
protected List<com.codahale.metrics.ScheduledReporter>	getReporters()
long	getRunningQueries()
long	getTotalAcceptedQueries()
long	getTotalCancelledQueries()
long	getTotalFailedQueries()
long	getTotalFinishedQueries()
long	getTotalSuccessfulQueries()
void	incrCounter(Class<?> cls, String counter)
void	incrCounter(String counter)
void	init(org.apache.hadoop.hive.conf.HiveConf hiveConf)
protected void	initCounters() Inits the counters.
void	publishReport()
void	start()
void	stop()

Methods inherited from class org.apache.hive.service.AbstractService

getHiveConf, getName, getServiceState, getStartTime, register, unregister

Methods inherited from class java.lang.Object

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

Field Detail

METRICS_SVC_NAME

public static final String METRICS_SVC_NAME

The Constant METRICS_SVC_NAME.

See Also:

Constant Field Values

LOG

public static final org.apache.log4j.Logger LOG

The Constant LOG.

Constructor Detail

MetricsServiceImpl

public MetricsServiceImpl(String name)

Instantiates a new metrics service impl.

Parameters:

name - the name

Method Detail

init

public void init(org.apache.hadoop.hive.conf.HiveConf hiveConf)

Specified by:

init in interface org.apache.hive.service.Service

Overrides:

init in class org.apache.hive.service.AbstractService

initCounters

protected void initCounters()

Inits the counters.

start

public void start()

Specified by:

start in interface org.apache.hive.service.Service

Overrides:

start in class org.apache.hive.service.AbstractService

stop

public void stop()

Specified by:

stop in interface org.apache.hive.service.Service

Overrides:

stop in class org.apache.hive.service.AbstractService

incrCounter

public void incrCounter(String counter)

Specified by:

incrCounter in interface MetricsService

decrCounter

public void decrCounter(String counter)

Specified by:

decrCounter in interface MetricsService

incrCounter

public void incrCounter(Class<?> cls,
                        String counter)

Specified by:

incrCounter in interface MetricsService

decrCounter

public void decrCounter(Class<?> cls,
                        String counter)

Specified by:

decrCounter in interface MetricsService

getCounter

public long getCounter(String counter)

Specified by:

getCounter in interface MetricsService

getCounter

public long getCounter(Class<?> cls,
                       String counter)

Specified by:

getCounter in interface MetricsService

getQueuedQueries

public long getQueuedQueries()

Specified by:

getQueuedQueries in interface MetricsService

getRunningQueries

public long getRunningQueries()

Specified by:

getRunningQueries in interface MetricsService

getFinishedQueries

public long getFinishedQueries()

Specified by:

getFinishedQueries in interface MetricsService

getTotalAcceptedQueries

public long getTotalAcceptedQueries()

Specified by:

getTotalAcceptedQueries in interface MetricsService

getTotalFinishedQueries

public long getTotalFinishedQueries()

Specified by:

getTotalFinishedQueries in interface MetricsService

getTotalCancelledQueries

public long getTotalCancelledQueries()

Specified by:

getTotalCancelledQueries in interface MetricsService

getTotalFailedQueries

public long getTotalFailedQueries()

Specified by:

getTotalFailedQueries in interface MetricsService

publishReport

public void publishReport()

Specified by:

publishReport in interface MetricsService

getTotalSuccessfulQueries

public long getTotalSuccessfulQueries()

Specified by:

getTotalSuccessfulQueries in interface MetricsService

getReporters

protected List<com.codahale.metrics.ScheduledReporter> getReporters()