/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.hadoop.hbase.regionserver;
import org.apache.hadoop.hbase.metrics.BaseSourceImpl;
import org.apache.hadoop.metrics2.MetricHistogram;
import org.apache.hadoop.metrics2.MetricsBuilder;
import org.apache.hadoop.metrics2.MetricsRecordBuilder;
/**
* Hadoop1 implementation of MetricsRegionServerSource.
*
* Implements BaseSource through BaseSourceImpl, following the pattern
*/
public class MetricsRegionServerSourceImpl
extends BaseSourceImpl implements MetricsRegionServerSource {
final MetricsRegionServerWrapper rsWrap;
private final MetricHistogram putHisto;
private final MetricHistogram deleteHisto;
private final MetricHistogram getHisto;
private final MetricHistogram incrementHisto;
private final MetricHistogram appendHisto;
public MetricsRegionServerSourceImpl(MetricsRegionServerWrapper rsWrap) {
this(METRICS_NAME, METRICS_DESCRIPTION, METRICS_CONTEXT, METRICS_JMX_CONTEXT, rsWrap);
}
public MetricsRegionServerSourceImpl(String metricsName,
String metricsDescription,
String metricsContext,
String metricsJmxContext,
MetricsRegionServerWrapper rsWrap) {
super(metricsName, metricsDescription, metricsContext, metricsJmxContext);
this.rsWrap = rsWrap;
putHisto = getMetricsRegistry().getHistogram(PUT_KEY);
deleteHisto = getMetricsRegistry().getHistogram(DELETE_KEY);
getHisto = getMetricsRegistry().getHistogram(GET_KEY);
incrementHisto = getMetricsRegistry().getHistogram(INCREMENT_KEY);
appendHisto = getMetricsRegistry().getHistogram(APPEND_KEY);
}
@Override
public void init() {
super.init();
}
@Override
public void updatePut(long t) {
putHisto.add(t);
}
@Override
public void updateDelete(long t) {
deleteHisto.add(t);
}
@Override
public void updateGet(long t) {
getHisto.add(t);
}
@Override
public void updateIncrement(long t) {
incrementHisto.add(t);
}
@Override
public void updateAppend(long t) {
appendHisto.add(t);
}
/**
* Yes this is a get function that doesn't return anything. Thanks Hadoop for breaking all
* expectations of java programmers. Instead of returning anything Hadoop metrics expects
* getMetrics to push the metrics into the metricsBuilder.
*
* @param metricsBuilder Builder to accept metrics
* @param all push all or only changed?
*/
@Override
public void getMetrics(MetricsBuilder metricsBuilder, boolean all) {
MetricsRecordBuilder mrb = metricsBuilder.addRecord(metricsName)
.setContext(metricsContext);
// rsWrap can be null because this function is called inside of init.
if (rsWrap != null) {
mrb.addGauge(REGION_COUNT, REGION_COUNT_DESC, rsWrap.getNumOnlineRegions())
.addGauge(STORE_COUNT, STORE_COUNT_DESC, rsWrap.getNumStores())
.addGauge(STOREFILE_COUNT, STOREFILE_COUNT_DESC, rsWrap.getNumStoreFiles())
.addGauge(MEMSTORE_SIZE, MEMSTORE_SIZE_DESC, rsWrap.getMemstoreSize())
.addGauge(STOREFILE_SIZE, STOREFILE_SIZE_DESC, rsWrap.getStoreFileSize())
.addGauge(RS_START_TIME_NAME, RS_START_TIME_DESC, rsWrap.getStartCode())
.addCounter(TOTAL_REQUEST_COUNT, TOTAL_REQUEST_COUNT_DESC, rsWrap.getTotalRequestCount())
.addCounter(READ_REQUEST_COUNT, READ_REQUEST_COUNT_DESC, rsWrap.getReadRequestsCount())
.addCounter(WRITE_REQUEST_COUNT, WRITE_REQUEST_COUNT_DESC, rsWrap.getWriteRequestsCount())
.addCounter(CHECK_MUTATE_FAILED_COUNT,
CHECK_MUTATE_FAILED_COUNT_DESC,
rsWrap.getCheckAndMutateChecksFailed())
.addCounter(CHECK_MUTATE_PASSED_COUNT,
CHECK_MUTATE_PASSED_COUNT_DESC,
rsWrap.getCheckAndMutateChecksPassed())
.addGauge(STOREFILE_INDEX_SIZE, STOREFILE_INDEX_SIZE_DESC, rsWrap.getStoreFileIndexSize())
.addGauge(STATIC_INDEX_SIZE, STATIC_INDEX_SIZE_DESC, rsWrap.getTotalStaticIndexSize())
.addGauge(STATIC_BLOOM_SIZE, STATIC_BLOOM_SIZE_DESC, rsWrap.getTotalStaticBloomSize())
.addGauge(NUMBER_OF_PUTS_WITHOUT_WAL,
NUMBER_OF_PUTS_WITHOUT_WAL_DESC,
rsWrap.getNumPutsWithoutWAL())
.addGauge(DATA_SIZE_WITHOUT_WAL,
DATA_SIZE_WITHOUT_WAL_DESC,
rsWrap.getDataInMemoryWithoutWAL())
.addGauge(PERCENT_FILES_LOCAL, PERCENT_FILES_LOCAL_DESC, rsWrap.getPercentFileLocal())
.addGauge(COMPACTION_QUEUE_LENGTH,
COMPACTION_QUEUE_LENGTH_DESC,
rsWrap.getCompactionQueueSize())
.addGauge(FLUSH_QUEUE_LENGTH, FLUSH_QUEUE_LENGTH_DESC, rsWrap.getFlushQueueSize())
.addGauge(BLOCK_CACHE_FREE_SIZE, BLOCK_CACHE_FREE_DESC, rsWrap.getBlockCacheFreeSize())
.addGauge(BLOCK_CACHE_COUNT, BLOCK_CACHE_COUNT_DESC, rsWrap.getBlockCacheCount())
.addGauge(BLOCK_CACHE_SIZE, BLOCK_CACHE_SIZE_DESC, rsWrap.getBlockCacheSize())
.addCounter(BLOCK_CACHE_HIT_COUNT,
BLOCK_CACHE_HIT_COUNT_DESC,
rsWrap.getBlockCacheHitCount())
.addCounter(BLOCK_CACHE_MISS_COUNT,
BLOCK_COUNT_MISS_COUNT_DESC,
rsWrap.getBlockCacheMissCount())
.addCounter(BLOCK_CACHE_EVICTION_COUNT,
BLOCK_CACHE_EVICTION_COUNT_DESC,
rsWrap.getBlockCacheEvictedCount())
.addGauge(BLOCK_CACHE_HIT_PERCENT,
BLOCK_CACHE_HIT_PERCENT_DESC,
rsWrap.getBlockCacheHitPercent())
.addGauge(BLOCK_CACHE_EXPRESS_HIT_PERCENT,
BLOCK_CACHE_EXPRESS_HIT_PERCENT_DESC,
rsWrap.getBlockCacheHitCachingPercent())
.addCounter(UPDATES_BLOCKED_TIME, UPDATES_BLOCKED_DESC, rsWrap.getUpdatesBlockedTime())
.tag(ZOOKEEPER_QUORUM_NAME, ZOOKEEPER_QUORUM_DESC, rsWrap.getZookeeperQuorum())
.tag(SERVER_NAME_NAME, SERVER_NAME_DESC, rsWrap.getServerName())
.tag(CLUSTER_ID_NAME, CLUSTER_ID_DESC, rsWrap.getClusterId());
}
metricsRegistry.snapshot(mrb, all);
}
}