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/**
* 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 java.io.IOException;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import java.util.Map;
import java.util.OptionalDouble;
import java.util.OptionalLong;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.TimeUnit;
import org.apache.commons.lang3.StringUtils;
import org.apache.hadoop.hbase.CompatibilitySingletonFactory;
import org.apache.hadoop.hbase.HConstants;
import org.apache.hadoop.hbase.HDFSBlocksDistribution;
import org.apache.hadoop.hbase.HRegionInfo;
import org.apache.hadoop.hbase.ServerName;
import org.apache.hadoop.hbase.io.ByteBuffAllocator;
import org.apache.hadoop.hbase.io.FSDataInputStreamWrapper;
import org.apache.hadoop.hbase.io.hfile.BlockCache;
import org.apache.hadoop.hbase.io.hfile.CacheStats;
import org.apache.hadoop.hbase.io.hfile.CombinedBlockCache;
import org.apache.hadoop.hbase.mob.MobFileCache;
import org.apache.hadoop.hbase.regionserver.wal.MetricsWALSource;
import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;
import org.apache.hadoop.hbase.util.FSUtils;
import org.apache.hadoop.hbase.wal.WALProvider;
import org.apache.hadoop.hbase.zookeeper.ZKWatcher;
import org.apache.hadoop.hdfs.DFSHedgedReadMetrics;
import org.apache.hadoop.metrics2.MetricsExecutor;
import org.apache.yetus.audience.InterfaceAudience;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Impl for exposing HRegionServer Information through Hadoop's metrics 2 system.
*/
@InterfaceAudience.Private
class MetricsRegionServerWrapperImpl
implements MetricsRegionServerWrapper {
private static final Logger LOG = LoggerFactory.getLogger(MetricsRegionServerWrapperImpl.class);
private final HRegionServer regionServer;
private final MetricsWALSource metricsWALSource;
private final ByteBuffAllocator allocator;
private BlockCache blockCache;
private MobFileCache mobFileCache;
private CacheStats cacheStats;
private CacheStats l1Stats = null;
private CacheStats l2Stats = null;
private volatile long numStores = 0;
private volatile long numWALFiles = 0;
private volatile long walFileSize = 0;
private volatile long numStoreFiles = 0;
private volatile long memstoreSize = 0;
private volatile long storeFileSize = 0;
private volatile long maxStoreFileAge = 0;
private volatile long minStoreFileAge = 0;
private volatile long avgStoreFileAge = 0;
private volatile long numReferenceFiles = 0;
private volatile double requestsPerSecond = 0.0;
private volatile long readRequestsCount = 0;
private volatile double readRequestsRatePerSecond = 0;
private volatile long filteredReadRequestsCount = 0;
private volatile long writeRequestsCount = 0;
private volatile double writeRequestsRatePerSecond = 0;
private volatile long checkAndMutateChecksFailed = 0;
private volatile long checkAndMutateChecksPassed = 0;
private volatile long storefileIndexSize = 0;
private volatile long totalStaticIndexSize = 0;
private volatile long totalStaticBloomSize = 0;
private volatile long numMutationsWithoutWAL = 0;
private volatile long dataInMemoryWithoutWAL = 0;
private volatile double percentFileLocal = 0;
private volatile double percentFileLocalSecondaryRegions = 0;
private volatile long flushedCellsCount = 0;
private volatile long compactedCellsCount = 0;
private volatile long majorCompactedCellsCount = 0;
private volatile long flushedCellsSize = 0;
private volatile long compactedCellsSize = 0;
private volatile long majorCompactedCellsSize = 0;
private volatile long cellsCountCompactedToMob = 0;
private volatile long cellsCountCompactedFromMob = 0;
private volatile long cellsSizeCompactedToMob = 0;
private volatile long cellsSizeCompactedFromMob = 0;
private volatile long mobFlushCount = 0;
private volatile long mobFlushedCellsCount = 0;
private volatile long mobFlushedCellsSize = 0;
private volatile long mobScanCellsCount = 0;
private volatile long mobScanCellsSize = 0;
private volatile long mobFileCacheAccessCount = 0;
private volatile long mobFileCacheMissCount = 0;
private volatile double mobFileCacheHitRatio = 0;
private volatile long mobFileCacheEvictedCount = 0;
private volatile long mobFileCacheCount = 0;
private volatile long blockedRequestsCount = 0L;
private volatile long averageRegionSize = 0L;
protected final Map>
requestsCountCache = new ConcurrentHashMap>();
private ScheduledExecutorService executor;
private Runnable runnable;
private long period;
/**
* Can be null if not on hdfs.
*/
private DFSHedgedReadMetrics dfsHedgedReadMetrics;
public MetricsRegionServerWrapperImpl(final HRegionServer regionServer) {
this.regionServer = regionServer;
initBlockCache();
initMobFileCache();
this.period = regionServer.getConfiguration().getLong(HConstants.REGIONSERVER_METRICS_PERIOD,
HConstants.DEFAULT_REGIONSERVER_METRICS_PERIOD);
this.executor = CompatibilitySingletonFactory.getInstance(MetricsExecutor.class).getExecutor();
this.runnable = new RegionServerMetricsWrapperRunnable();
this.executor.scheduleWithFixedDelay(this.runnable, this.period, this.period,
TimeUnit.MILLISECONDS);
this.metricsWALSource = CompatibilitySingletonFactory.getInstance(MetricsWALSource.class);
this.allocator = regionServer.getRpcServer().getByteBuffAllocator();
try {
this.dfsHedgedReadMetrics = FSUtils.getDFSHedgedReadMetrics(regionServer.getConfiguration());
} catch (IOException e) {
LOG.warn("Failed to get hedged metrics", e);
}
if (LOG.isInfoEnabled()) {
LOG.info("Computing regionserver metrics every " + this.period + " milliseconds");
}
}
private void initBlockCache() {
this.blockCache = this.regionServer.getBlockCache().orElse(null);
this.cacheStats = this.blockCache != null ? this.blockCache.getStats() : null;
if (this.cacheStats != null) {
if (this.cacheStats instanceof CombinedBlockCache.CombinedCacheStats) {
l1Stats = ((CombinedBlockCache.CombinedCacheStats) this.cacheStats)
.getLruCacheStats();
l2Stats = ((CombinedBlockCache.CombinedCacheStats) this.cacheStats)
.getBucketCacheStats();
} else {
l1Stats = this.cacheStats;
}
}
}
/**
* Initializes the mob file cache.
*/
private void initMobFileCache() {
this.mobFileCache = this.regionServer.getMobFileCache().orElse(null);
}
@Override
public String getClusterId() {
return regionServer.getClusterId();
}
@Override
public long getStartCode() {
return regionServer.getStartcode();
}
@Override
public String getZookeeperQuorum() {
ZKWatcher zk = regionServer.getZooKeeper();
if (zk == null) {
return "";
}
return zk.getQuorum();
}
@Override
public String getCoprocessors() {
String[] coprocessors = regionServer.getRegionServerCoprocessors();
if (coprocessors == null || coprocessors.length == 0) {
return "";
}
return StringUtils.join(coprocessors, ", ");
}
@Override
public String getServerName() {
ServerName serverName = regionServer.getServerName();
if (serverName == null) {
return "";
}
return serverName.getServerName();
}
@Override
public long getNumOnlineRegions() {
Collection onlineRegionsLocalContext = regionServer.getOnlineRegionsLocalContext();
if (onlineRegionsLocalContext == null) {
return 0;
}
return onlineRegionsLocalContext.size();
}
@Override
public long getTotalRequestCount() {
return regionServer.rpcServices.requestCount.sum();
}
@Override
public long getTotalRowActionRequestCount() {
return readRequestsCount + writeRequestsCount;
}
@Override
public int getSplitQueueSize() {
if (this.regionServer.compactSplitThread == null) {
return 0;
}
return this.regionServer.compactSplitThread.getSplitQueueSize();
}
@Override
public int getCompactionQueueSize() {
//The thread could be zero. if so assume there is no queue.
if (this.regionServer.compactSplitThread == null) {
return 0;
}
return this.regionServer.compactSplitThread.getCompactionQueueSize();
}
@Override
public int getSmallCompactionQueueSize() {
//The thread could be zero. if so assume there is no queue.
if (this.regionServer.compactSplitThread == null) {
return 0;
}
return this.regionServer.compactSplitThread.getSmallCompactionQueueSize();
}
@Override
public int getLargeCompactionQueueSize() {
//The thread could be zero. if so assume there is no queue.
if (this.regionServer.compactSplitThread == null) {
return 0;
}
return this.regionServer.compactSplitThread.getLargeCompactionQueueSize();
}
@Override
public int getFlushQueueSize() {
//If there is no flusher there should be no queue.
if (this.regionServer.getMemStoreFlusher() == null) {
return 0;
}
return this.regionServer.getMemStoreFlusher().getFlushQueueSize();
}
@Override
public long getBlockCacheCount() {
return this.blockCache != null ? this.blockCache.getBlockCount() : 0L;
}
@Override
public long getMemStoreLimit() {
return this.regionServer.getRegionServerAccounting().getGlobalMemStoreLimit();
}
@Override
public long getBlockCacheSize() {
return this.blockCache != null ? this.blockCache.getCurrentSize() : 0L;
}
@Override
public long getBlockCacheFreeSize() {
return this.blockCache != null ? this.blockCache.getFreeSize() : 0L;
}
@Override
public long getBlockCacheHitCount() {
return this.cacheStats != null ? this.cacheStats.getHitCount() : 0L;
}
@Override
public long getBlockCachePrimaryHitCount() {
return this.cacheStats != null ? this.cacheStats.getPrimaryHitCount() : 0L;
}
@Override
public long getBlockCacheMissCount() {
return this.cacheStats != null ? this.cacheStats.getMissCount() : 0L;
}
@Override
public long getBlockCachePrimaryMissCount() {
return this.cacheStats != null ? this.cacheStats.getPrimaryMissCount() : 0L;
}
@Override
public long getBlockCacheEvictedCount() {
return this.cacheStats != null ? this.cacheStats.getEvictedCount() : 0L;
}
@Override
public long getBlockCachePrimaryEvictedCount() {
return this.cacheStats != null ? this.cacheStats.getPrimaryEvictedCount() : 0L;
}
@Override
public double getBlockCacheHitPercent() {
double ratio = this.cacheStats != null ? this.cacheStats.getHitRatio() : 0.0;
if (Double.isNaN(ratio)) {
ratio = 0;
}
return (ratio * 100);
}
@Override
public double getBlockCacheHitCachingPercent() {
double ratio = this.cacheStats != null ? this.cacheStats.getHitCachingRatio() : 0.0;
if (Double.isNaN(ratio)) {
ratio = 0;
}
return (ratio * 100);
}
@Override
public long getBlockCacheFailedInsertions() {
return this.cacheStats != null ? this.cacheStats.getFailedInserts() : 0L;
}
@Override
public long getL1CacheHitCount() {
return this.l1Stats != null ? this.l1Stats.getHitCount() : 0L;
}
@Override
public long getL1CacheMissCount() {
return this.l1Stats != null ? this.l1Stats.getMissCount() : 0L;
}
@Override
public double getL1CacheHitRatio() {
return this.l1Stats != null ? this.l1Stats.getHitRatio() : 0.0;
}
@Override
public double getL1CacheMissRatio() {
return this.l1Stats != null ? this.l1Stats.getMissRatio() : 0.0;
}
@Override
public long getL2CacheHitCount() {
return this.l2Stats != null ? this.l2Stats.getHitCount() : 0L;
}
@Override
public long getL2CacheMissCount() {
return this.l2Stats != null ? this.l2Stats.getMissCount() : 0L;
}
@Override
public double getL2CacheHitRatio() {
return this.l2Stats != null ? this.l2Stats.getHitRatio() : 0.0;
}
@Override
public double getL2CacheMissRatio() {
return this.l2Stats != null ? this.l2Stats.getMissRatio() : 0.0;
}
@Override public void forceRecompute() {
this.runnable.run();
}
@Override
public long getNumStores() {
return numStores;
}
@Override
public long getNumWALFiles() {
return numWALFiles;
}
@Override
public long getWALFileSize() {
return walFileSize;
}
@Override
public long getNumWALSlowAppend() {
return metricsWALSource.getSlowAppendCount();
}
@Override
public long getNumStoreFiles() {
return numStoreFiles;
}
@Override
public long getMaxStoreFileAge() {
return maxStoreFileAge;
}
@Override
public long getMinStoreFileAge() {
return minStoreFileAge;
}
@Override
public long getAvgStoreFileAge() {
return avgStoreFileAge;
}
@Override
public long getNumReferenceFiles() {
return numReferenceFiles;
}
@Override
public long getMemStoreSize() {
return memstoreSize;
}
@Override
public long getStoreFileSize() {
return storeFileSize;
}
@Override public double getRequestsPerSecond() {
return requestsPerSecond;
}
@Override
public long getReadRequestsCount() {
return readRequestsCount;
}
@Override
public double getReadRequestsRatePerSecond() {
return readRequestsRatePerSecond;
}
@Override
public long getFilteredReadRequestsCount() {
return filteredReadRequestsCount;
}
@Override
public long getWriteRequestsCount() {
return writeRequestsCount;
}
@Override
public double getWriteRequestsRatePerSecond() {
return writeRequestsRatePerSecond;
}
@Override
public long getRpcGetRequestsCount() {
return regionServer.rpcServices.rpcGetRequestCount.sum();
}
@Override
public long getRpcScanRequestsCount() {
return regionServer.rpcServices.rpcScanRequestCount.sum();
}
@Override
public long getRpcFullScanRequestsCount() {
return regionServer.rpcServices.rpcFullScanRequestCount.sum();
}
@Override
public long getRpcMultiRequestsCount() {
return regionServer.rpcServices.rpcMultiRequestCount.sum();
}
@Override
public long getRpcMutateRequestsCount() {
return regionServer.rpcServices.rpcMutateRequestCount.sum();
}
@Override
public long getCheckAndMutateChecksFailed() {
return checkAndMutateChecksFailed;
}
@Override
public long getCheckAndMutateChecksPassed() {
return checkAndMutateChecksPassed;
}
@Override
public long getStoreFileIndexSize() {
return storefileIndexSize;
}
@Override
public long getTotalStaticIndexSize() {
return totalStaticIndexSize;
}
@Override
public long getTotalStaticBloomSize() {
return totalStaticBloomSize;
}
@Override
public long getNumMutationsWithoutWAL() {
return numMutationsWithoutWAL;
}
@Override
public long getDataInMemoryWithoutWAL() {
return dataInMemoryWithoutWAL;
}
@Override
public double getPercentFileLocal() {
return percentFileLocal;
}
@Override
public double getPercentFileLocalSecondaryRegions() {
return percentFileLocalSecondaryRegions;
}
@Override
public long getUpdatesBlockedTime() {
if (this.regionServer.getMemStoreFlusher() == null) {
return 0;
}
return this.regionServer.getMemStoreFlusher().getUpdatesBlockedMsHighWater().sum();
}
@Override
public long getFlushedCellsCount() {
return flushedCellsCount;
}
@Override
public long getCompactedCellsCount() {
return compactedCellsCount;
}
@Override
public long getMajorCompactedCellsCount() {
return majorCompactedCellsCount;
}
@Override
public long getFlushedCellsSize() {
return flushedCellsSize;
}
@Override
public long getCompactedCellsSize() {
return compactedCellsSize;
}
@Override
public long getMajorCompactedCellsSize() {
return majorCompactedCellsSize;
}
@Override
public long getCellsCountCompactedFromMob() {
return cellsCountCompactedFromMob;
}
@Override
public long getCellsCountCompactedToMob() {
return cellsCountCompactedToMob;
}
@Override
public long getCellsSizeCompactedFromMob() {
return cellsSizeCompactedFromMob;
}
@Override
public long getCellsSizeCompactedToMob() {
return cellsSizeCompactedToMob;
}
@Override
public long getMobFlushCount() {
return mobFlushCount;
}
@Override
public long getMobFlushedCellsCount() {
return mobFlushedCellsCount;
}
@Override
public long getMobFlushedCellsSize() {
return mobFlushedCellsSize;
}
@Override
public long getMobScanCellsCount() {
return mobScanCellsCount;
}
@Override
public long getMobScanCellsSize() {
return mobScanCellsSize;
}
@Override
public long getMobFileCacheAccessCount() {
return mobFileCacheAccessCount;
}
@Override
public long getMobFileCacheMissCount() {
return mobFileCacheMissCount;
}
@Override
public long getMobFileCacheCount() {
return mobFileCacheCount;
}
@Override
public long getMobFileCacheEvictedCount() {
return mobFileCacheEvictedCount;
}
@Override
public double getMobFileCacheHitPercent() {
return mobFileCacheHitRatio * 100;
}
/**
* This is the runnable that will be executed on the executor every PERIOD number of seconds
* It will take metrics/numbers from all of the regions and use them to compute point in
* time metrics.
*/
public class RegionServerMetricsWrapperRunnable implements Runnable {
private long lastRan = 0;
@Override
synchronized public void run() {
try {
HDFSBlocksDistribution hdfsBlocksDistribution =
new HDFSBlocksDistribution();
HDFSBlocksDistribution hdfsBlocksDistributionSecondaryRegions =
new HDFSBlocksDistribution();
long tempNumStores = 0, tempNumStoreFiles = 0, tempMemstoreSize = 0, tempStoreFileSize = 0;
long tempMaxStoreFileAge = 0, tempNumReferenceFiles = 0;
long avgAgeNumerator = 0, numHFiles = 0;
long tempMinStoreFileAge = Long.MAX_VALUE;
long tempReadRequestsCount = 0, tempFilteredReadRequestsCount = 0,
tempWriteRequestsCount = 0;
long tempCheckAndMutateChecksFailed = 0;
long tempCheckAndMutateChecksPassed = 0;
long tempStorefileIndexSize = 0;
long tempTotalStaticIndexSize = 0;
long tempTotalStaticBloomSize = 0;
long tempNumMutationsWithoutWAL = 0;
long tempDataInMemoryWithoutWAL = 0;
double tempPercentFileLocal = 0;
double tempPercentFileLocalSecondaryRegions = 0;
long tempFlushedCellsCount = 0;
long tempCompactedCellsCount = 0;
long tempMajorCompactedCellsCount = 0;
long tempFlushedCellsSize = 0;
long tempCompactedCellsSize = 0;
long tempMajorCompactedCellsSize = 0;
long tempCellsCountCompactedToMob = 0;
long tempCellsCountCompactedFromMob = 0;
long tempCellsSizeCompactedToMob = 0;
long tempCellsSizeCompactedFromMob = 0;
long tempMobFlushCount = 0;
long tempMobFlushedCellsCount = 0;
long tempMobFlushedCellsSize = 0;
long tempMobScanCellsCount = 0;
long tempMobScanCellsSize = 0;
long tempBlockedRequestsCount = 0;
int regionCount = 0;
long currentReadRequestsCount = 0;
long currentWriteRequestsCount = 0;
long lastReadRequestsCount = 0;
long lastWriteRequestsCount = 0;
long readRequestsDelta = 0;
long writeRequestsDelta = 0;
long totalReadRequestsDelta = 0;
long totalWriteRequestsDelta = 0;
String encodedRegionName;
for (HRegion r : regionServer.getOnlineRegionsLocalContext()) {
encodedRegionName = r.getRegionInfo().getEncodedName();
currentReadRequestsCount = r.getReadRequestsCount();
currentWriteRequestsCount = r.getWriteRequestsCount();
if (requestsCountCache.containsKey(encodedRegionName)) {
lastReadRequestsCount = requestsCountCache.get(encodedRegionName).get(0);
lastWriteRequestsCount = requestsCountCache.get(encodedRegionName).get(1);
readRequestsDelta = currentReadRequestsCount - lastReadRequestsCount;
writeRequestsDelta = currentWriteRequestsCount - lastWriteRequestsCount;
totalReadRequestsDelta += readRequestsDelta;
totalWriteRequestsDelta += writeRequestsDelta;
//Update cache for our next comparision
requestsCountCache.get(encodedRegionName).set(0,currentReadRequestsCount);
requestsCountCache.get(encodedRegionName).set(1,currentWriteRequestsCount);
} else {
// List[0] -> readRequestCount
// List[1] -> writeRequestCount
ArrayList requests = new ArrayList(2);
requests.add(currentReadRequestsCount);
requests.add(currentWriteRequestsCount);
requestsCountCache.put(encodedRegionName, requests);
totalReadRequestsDelta += currentReadRequestsCount;
totalWriteRequestsDelta += currentWriteRequestsCount;
}
tempNumMutationsWithoutWAL += r.getNumMutationsWithoutWAL();
tempDataInMemoryWithoutWAL += r.getDataInMemoryWithoutWAL();
tempReadRequestsCount += r.getReadRequestsCount();
tempFilteredReadRequestsCount += r.getFilteredReadRequestsCount();
tempWriteRequestsCount += r.getWriteRequestsCount();
tempCheckAndMutateChecksFailed += r.getCheckAndMutateChecksFailed();
tempCheckAndMutateChecksPassed += r.getCheckAndMutateChecksPassed();
tempBlockedRequestsCount += r.getBlockedRequestsCount();
List storeList = r.getStores();
tempNumStores += storeList.size();
for (Store store : storeList) {
tempNumStoreFiles += store.getStorefilesCount();
tempMemstoreSize += store.getMemStoreSize().getDataSize();
tempStoreFileSize += store.getStorefilesSize();
OptionalLong storeMaxStoreFileAge = store.getMaxStoreFileAge();
if (storeMaxStoreFileAge.isPresent() &&
storeMaxStoreFileAge.getAsLong() > tempMaxStoreFileAge) {
tempMaxStoreFileAge = storeMaxStoreFileAge.getAsLong();
}
OptionalLong storeMinStoreFileAge = store.getMinStoreFileAge();
if (storeMinStoreFileAge.isPresent() &&
storeMinStoreFileAge.getAsLong() < tempMinStoreFileAge) {
tempMinStoreFileAge = storeMinStoreFileAge.getAsLong();
}
long storeHFiles = store.getNumHFiles();
numHFiles += storeHFiles;
tempNumReferenceFiles += store.getNumReferenceFiles();
OptionalDouble storeAvgStoreFileAge = store.getAvgStoreFileAge();
if (storeAvgStoreFileAge.isPresent()) {
avgAgeNumerator =
(long) (avgAgeNumerator + storeAvgStoreFileAge.getAsDouble() * storeHFiles);
}
tempStorefileIndexSize += store.getStorefilesRootLevelIndexSize();
tempTotalStaticBloomSize += store.getTotalStaticBloomSize();
tempTotalStaticIndexSize += store.getTotalStaticIndexSize();
tempFlushedCellsCount += store.getFlushedCellsCount();
tempCompactedCellsCount += store.getCompactedCellsCount();
tempMajorCompactedCellsCount += store.getMajorCompactedCellsCount();
tempFlushedCellsSize += store.getFlushedCellsSize();
tempCompactedCellsSize += store.getCompactedCellsSize();
tempMajorCompactedCellsSize += store.getMajorCompactedCellsSize();
if (store instanceof HMobStore) {
HMobStore mobStore = (HMobStore) store;
tempCellsCountCompactedToMob += mobStore.getCellsCountCompactedToMob();
tempCellsCountCompactedFromMob += mobStore.getCellsCountCompactedFromMob();
tempCellsSizeCompactedToMob += mobStore.getCellsSizeCompactedToMob();
tempCellsSizeCompactedFromMob += mobStore.getCellsSizeCompactedFromMob();
tempMobFlushCount += mobStore.getMobFlushCount();
tempMobFlushedCellsCount += mobStore.getMobFlushedCellsCount();
tempMobFlushedCellsSize += mobStore.getMobFlushedCellsSize();
tempMobScanCellsCount += mobStore.getMobScanCellsCount();
tempMobScanCellsSize += mobStore.getMobScanCellsSize();
}
}
HDFSBlocksDistribution distro = r.getHDFSBlocksDistribution();
hdfsBlocksDistribution.add(distro);
if (r.getRegionInfo().getReplicaId() != HRegionInfo.DEFAULT_REPLICA_ID) {
hdfsBlocksDistributionSecondaryRegions.add(distro);
}
regionCount++;
}
float localityIndex = hdfsBlocksDistribution.getBlockLocalityIndex(
regionServer.getServerName().getHostname());
tempPercentFileLocal = Double.isNaN(tempBlockedRequestsCount) ? 0 : (localityIndex * 100);
float localityIndexSecondaryRegions = hdfsBlocksDistributionSecondaryRegions
.getBlockLocalityIndex(regionServer.getServerName().getHostname());
tempPercentFileLocalSecondaryRegions = Double.
isNaN(localityIndexSecondaryRegions) ? 0 : (localityIndexSecondaryRegions * 100);
// Compute the number of requests per second
long currentTime = EnvironmentEdgeManager.currentTime();
// assume that it took PERIOD seconds to start the executor.
// this is a guess but it's a pretty good one.
if (lastRan == 0) {
lastRan = currentTime - period;
}
// If we've time traveled keep the last requests per second.
if ((currentTime - lastRan) > 0) {
requestsPerSecond = (totalReadRequestsDelta + totalWriteRequestsDelta) /
((currentTime - lastRan) / 1000.0);
double readRequestsRatePerMilliSecond = (double)totalReadRequestsDelta / period;
double writeRequestsRatePerMilliSecond = (double)totalWriteRequestsDelta / period;
readRequestsRatePerSecond = readRequestsRatePerMilliSecond * 1000.0;
writeRequestsRatePerSecond = writeRequestsRatePerMilliSecond * 1000.0;
}
lastRan = currentTime;
final WALProvider provider = regionServer.getWalFactory().getWALProvider();
final WALProvider metaProvider = regionServer.getWalFactory().getMetaWALProvider();
numWALFiles = (provider == null ? 0 : provider.getNumLogFiles()) +
(metaProvider == null ? 0 : metaProvider.getNumLogFiles());
walFileSize = (provider == null ? 0 : provider.getLogFileSize()) +
(metaProvider == null ? 0 : metaProvider.getLogFileSize());
// Copy over computed values so that no thread sees half computed values.
numStores = tempNumStores;
numStoreFiles = tempNumStoreFiles;
memstoreSize = tempMemstoreSize;
storeFileSize = tempStoreFileSize;
maxStoreFileAge = tempMaxStoreFileAge;
if (regionCount > 0) {
averageRegionSize = (memstoreSize + storeFileSize) / regionCount;
}
if (tempMinStoreFileAge != Long.MAX_VALUE) {
minStoreFileAge = tempMinStoreFileAge;
}
if (numHFiles != 0) {
avgStoreFileAge = avgAgeNumerator / numHFiles;
}
numReferenceFiles= tempNumReferenceFiles;
readRequestsCount = tempReadRequestsCount;
filteredReadRequestsCount = tempFilteredReadRequestsCount;
writeRequestsCount = tempWriteRequestsCount;
checkAndMutateChecksFailed = tempCheckAndMutateChecksFailed;
checkAndMutateChecksPassed = tempCheckAndMutateChecksPassed;
storefileIndexSize = tempStorefileIndexSize;
totalStaticIndexSize = tempTotalStaticIndexSize;
totalStaticBloomSize = tempTotalStaticBloomSize;
numMutationsWithoutWAL = tempNumMutationsWithoutWAL;
dataInMemoryWithoutWAL = tempDataInMemoryWithoutWAL;
percentFileLocal = tempPercentFileLocal;
percentFileLocalSecondaryRegions = tempPercentFileLocalSecondaryRegions;
flushedCellsCount = tempFlushedCellsCount;
compactedCellsCount = tempCompactedCellsCount;
majorCompactedCellsCount = tempMajorCompactedCellsCount;
flushedCellsSize = tempFlushedCellsSize;
compactedCellsSize = tempCompactedCellsSize;
majorCompactedCellsSize = tempMajorCompactedCellsSize;
cellsCountCompactedToMob = tempCellsCountCompactedToMob;
cellsCountCompactedFromMob = tempCellsCountCompactedFromMob;
cellsSizeCompactedToMob = tempCellsSizeCompactedToMob;
cellsSizeCompactedFromMob = tempCellsSizeCompactedFromMob;
mobFlushCount = tempMobFlushCount;
mobFlushedCellsCount = tempMobFlushedCellsCount;
mobFlushedCellsSize = tempMobFlushedCellsSize;
mobScanCellsCount = tempMobScanCellsCount;
mobScanCellsSize = tempMobScanCellsSize;
mobFileCacheAccessCount = mobFileCache != null ? mobFileCache.getAccessCount() : 0L;
mobFileCacheMissCount = mobFileCache != null ? mobFileCache.getMissCount() : 0L;
mobFileCacheHitRatio = mobFileCache != null ? mobFileCache.getHitRatio() : 0.0;
if (Double.isNaN(mobFileCacheHitRatio)) {
mobFileCacheHitRatio = 0.0;
}
mobFileCacheEvictedCount = mobFileCache != null ? mobFileCache.getEvictedFileCount() : 0L;
mobFileCacheCount = mobFileCache != null ? mobFileCache.getCacheSize() : 0;
blockedRequestsCount = tempBlockedRequestsCount;
} catch (Throwable e) {
LOG.warn("Caught exception! Will suppress and retry.", e);
}
}
}
@Override
public long getHedgedReadOps() {
return this.dfsHedgedReadMetrics == null? 0: this.dfsHedgedReadMetrics.getHedgedReadOps();
}
@Override
public long getHedgedReadWins() {
return this.dfsHedgedReadMetrics == null? 0: this.dfsHedgedReadMetrics.getHedgedReadWins();
}
@Override
public long getHedgedReadOpsInCurThread() {
return this.dfsHedgedReadMetrics == null ? 0 : this.dfsHedgedReadMetrics.getHedgedReadOpsInCurThread();
}
@Override
public long getTotalBytesRead() {
return FSDataInputStreamWrapper.getTotalBytesRead();
}
@Override
public long getLocalBytesRead() {
return FSDataInputStreamWrapper.getLocalBytesRead();
}
@Override
public long getShortCircuitBytesRead() {
return FSDataInputStreamWrapper.getShortCircuitBytesRead();
}
@Override
public long getZeroCopyBytesRead() {
return FSDataInputStreamWrapper.getZeroCopyBytesRead();
}
@Override
public long getBlockedRequestsCount() {
return blockedRequestsCount;
}
@Override
public long getAverageRegionSize() {
return averageRegionSize;
}
@Override
public long getDataMissCount() {
return this.cacheStats != null ? this.cacheStats.getDataMissCount() : 0L;
}
@Override
public long getLeafIndexMissCount() {
return this.cacheStats != null ? this.cacheStats.getLeafIndexMissCount() : 0L;
}
@Override
public long getBloomChunkMissCount() {
return this.cacheStats != null ? this.cacheStats.getBloomChunkMissCount() : 0L;
}
@Override
public long getMetaMissCount() {
return this.cacheStats != null ? this.cacheStats.getMetaMissCount() : 0L;
}
@Override
public long getRootIndexMissCount() {
return this.cacheStats != null ? this.cacheStats.getRootIndexMissCount() : 0L;
}
@Override
public long getIntermediateIndexMissCount() {
return this.cacheStats != null ? this.cacheStats.getIntermediateIndexMissCount() : 0L;
}
@Override
public long getFileInfoMissCount() {
return this.cacheStats != null ? this.cacheStats.getFileInfoMissCount() : 0L;
}
@Override
public long getGeneralBloomMetaMissCount() {
return this.cacheStats != null ? this.cacheStats.getGeneralBloomMetaMissCount() : 0L;
}
@Override
public long getDeleteFamilyBloomMissCount() {
return this.cacheStats != null ? this.cacheStats.getDeleteFamilyBloomMissCount() : 0L;
}
@Override
public long getTrailerMissCount() {
return this.cacheStats != null ? this.cacheStats.getTrailerMissCount() : 0L;
}
@Override
public long getDataHitCount() {
return this.cacheStats != null ? this.cacheStats.getDataHitCount() : 0L;
}
@Override
public long getLeafIndexHitCount() {
return this.cacheStats != null ? this.cacheStats.getLeafIndexHitCount() : 0L;
}
@Override
public long getBloomChunkHitCount() {
return this.cacheStats != null ? this.cacheStats.getBloomChunkHitCount() : 0L;
}
@Override
public long getMetaHitCount() {
return this.cacheStats != null ? this.cacheStats.getMetaHitCount() : 0L;
}
@Override
public long getRootIndexHitCount() {
return this.cacheStats != null ? this.cacheStats.getRootIndexHitCount() : 0L;
}
@Override
public long getIntermediateIndexHitCount() {
return this.cacheStats != null ? this.cacheStats.getIntermediateIndexHitCount() : 0L;
}
@Override
public long getFileInfoHitCount() {
return this.cacheStats != null ? this.cacheStats.getFileInfoHitCount() : 0L;
}
@Override
public long getGeneralBloomMetaHitCount() {
return this.cacheStats != null ? this.cacheStats.getGeneralBloomMetaHitCount() : 0L;
}
@Override
public long getDeleteFamilyBloomHitCount() {
return this.cacheStats != null ? this.cacheStats.getDeleteFamilyBloomHitCount() : 0L;
}
@Override
public long getTrailerHitCount() {
return this.cacheStats != null ? this.cacheStats.getTrailerHitCount() : 0L;
}
@Override
public long getByteBuffAllocatorHeapAllocationBytes() {
return ByteBuffAllocator.getHeapAllocationBytes(allocator, ByteBuffAllocator.HEAP);
}
@Override
public long getByteBuffAllocatorPoolAllocationBytes() {
return this.allocator.getPoolAllocationBytes();
}
@Override
public double getByteBuffAllocatorHeapAllocRatio() {
return ByteBuffAllocator.getHeapAllocationRatio(allocator, ByteBuffAllocator.HEAP);
}
@Override
public long getByteBuffAllocatorTotalBufferCount() {
return this.allocator.getTotalBufferCount();
}
@Override
public long getByteBuffAllocatorUsedBufferCount() {
return this.allocator.getUsedBufferCount();
}
}