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/**
* Copyright The Apache Software Foundation
*
* 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;
import java.util.Arrays;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.TreeMap;
import java.util.stream.Collectors;
import org.apache.hadoop.hbase.replication.ReplicationLoadSink;
import org.apache.hadoop.hbase.replication.ReplicationLoadSource;
import org.apache.hadoop.hbase.util.Bytes;
import org.apache.hadoop.hbase.util.Strings;
import org.apache.yetus.audience.InterfaceAudience;
import org.apache.hbase.thirdparty.com.google.common.base.Objects;
import org.apache.hadoop.hbase.shaded.protobuf.generated.ClusterStatusProtos;
/**
* This class is used for exporting current state of load on a RegionServer.
*
* @deprecated As of release 2.0.0, this will be removed in HBase 3.0.0
* Use {@link ServerMetrics} instead.
*/
@InterfaceAudience.Public
@Deprecated
public class ServerLoad implements ServerMetrics {
private final ServerMetrics metrics;
private int stores = 0;
private int storefiles = 0;
private int storeUncompressedSizeMB = 0;
private int storefileSizeMB = 0;
private int memstoreSizeMB = 0;
private long storefileIndexSizeKB = 0;
private long readRequestsCount = 0;
private long filteredReadRequestsCount = 0;
private long writeRequestsCount = 0;
private int rootIndexSizeKB = 0;
private int totalStaticIndexSizeKB = 0;
private int totalStaticBloomSizeKB = 0;
private long totalCompactingKVs = 0;
private long currentCompactedKVs = 0;
/**
* DONT USE this construction. It make a fake server name;
*/
@InterfaceAudience.Private
public ServerLoad(ClusterStatusProtos.ServerLoad serverLoad) {
this(ServerName.valueOf("localhost,1,1"), serverLoad);
}
@edu.umd.cs.findbugs.annotations.SuppressWarnings(value="URF_UNREAD_PUBLIC_OR_PROTECTED_FIELD")
@InterfaceAudience.Private
public ServerLoad(ServerName name, ClusterStatusProtos.ServerLoad serverLoad) {
this(ServerMetricsBuilder.toServerMetrics(name, serverLoad));
this.serverLoad = serverLoad;
}
@InterfaceAudience.Private
public ServerLoad(ServerMetrics metrics) {
this.metrics = metrics;
this.serverLoad = ServerMetricsBuilder.toServerLoad(metrics);
for (RegionMetrics rl : metrics.getRegionMetrics().values()) {
stores += rl.getStoreCount();
storefiles += rl.getStoreFileCount();
storeUncompressedSizeMB += rl.getUncompressedStoreFileSize().get(Size.Unit.MEGABYTE);
storefileSizeMB += rl.getStoreFileSize().get(Size.Unit.MEGABYTE);
memstoreSizeMB += rl.getMemStoreSize().get(Size.Unit.MEGABYTE);
readRequestsCount += rl.getReadRequestCount();
filteredReadRequestsCount += rl.getFilteredReadRequestCount();
writeRequestsCount += rl.getWriteRequestCount();
storefileIndexSizeKB += rl.getStoreFileIndexSize().get(Size.Unit.KILOBYTE);
rootIndexSizeKB += rl.getStoreFileRootLevelIndexSize().get(Size.Unit.KILOBYTE);
totalStaticIndexSizeKB += rl.getStoreFileUncompressedDataIndexSize().get(Size.Unit.KILOBYTE);
totalStaticBloomSizeKB += rl.getBloomFilterSize().get(Size.Unit.KILOBYTE);
totalCompactingKVs += rl.getCompactingCellCount();
currentCompactedKVs += rl.getCompactedCellCount();
}
}
/**
* NOTE: Function name cannot start with "get" because then an OpenDataException is thrown because
* HBaseProtos.ServerLoad cannot be converted to an open data type(see HBASE-5967).
* @return the underlying ServerLoad protobuf object
* @deprecated DONT use this pb object since the byte array backed may be modified in rpc layer
*/
@InterfaceAudience.Private
@Deprecated
public ClusterStatusProtos.ServerLoad obtainServerLoadPB() {
return serverLoad;
}
protected ClusterStatusProtos.ServerLoad serverLoad;
/**
* @return number of requests since last report.
* @deprecated As of release 2.0.0, this will be removed in HBase 3.0.0.
* Use {@link #getRequestCountPerSecond} instead.
*/
@Deprecated
public long getNumberOfRequests() {
return getRequestCountPerSecond();
}
/**
* @deprecated As of release 2.0.0, this will be removed in HBase 3.0.0
* No flag in 2.0
*/
@Deprecated
public boolean hasNumberOfRequests() {
return true;
}
/**
* @return total Number of requests from the start of the region server.
* @deprecated As of release 2.0.0, this will be removed in HBase 3.0.0.
* Use {@link #getRequestCount} instead.
*/
@Deprecated
public long getTotalNumberOfRequests() {
return getRequestCount();
}
/**
* @deprecated As of release 2.0.0, this will be removed in HBase 3.0.0
* No flag in 2.0
*/
@Deprecated
public boolean hasTotalNumberOfRequests() {
return true;
}
/**
* @return the amount of used heap, in MB.
* @deprecated As of release 2.0.0, this will be removed in HBase 3.0.0.
* Use {@link #getUsedHeapSize} instead.
*/
@Deprecated
public int getUsedHeapMB() {
return (int) getUsedHeapSize().get(Size.Unit.MEGABYTE);
}
/**
* @deprecated As of release 2.0.0, this will be removed in HBase 3.0.0
* No flag in 2.0
*/
@Deprecated
public boolean hasUsedHeapMB() {
return true;
}
/**
* @return the maximum allowable size of the heap, in MB.
* @deprecated As of release 2.0.0, this will be removed in HBase 3.0.0
* Use {@link #getMaxHeapSize} instead.
*/
@Deprecated
public int getMaxHeapMB() {
return (int) getMaxHeapSize().get(Size.Unit.MEGABYTE);
}
/**
* @deprecated As of release 2.0.0, this will be removed in HBase 3.0.0
* No flag in 2.0
*/
@Deprecated
public boolean hasMaxHeapMB() {
return true;
}
/**
* @deprecated As of release 2.0.0, this will be removed in HBase 3.0.0
* Use {@link #getRegionMetrics} instead.
*/
@Deprecated
public int getStores() {
return stores;
}
/**
* @deprecated As of release 2.0.0, this will be removed in HBase 3.0.0.
* Use {@link #getRegionMetrics} instead.
*/
@Deprecated
public int getStorefiles() {
return storefiles;
}
/**
* @deprecated As of release 2.0.0, this will be removed in HBase 3.0.0
* Use {@link #getRegionMetrics} instead.
*/
@Deprecated
public int getStoreUncompressedSizeMB() {
return storeUncompressedSizeMB;
}
/**
* @deprecated As of release 2.0.0, this will be removed in HBase 3.0.0
* Use {@link #getRegionMetrics} instead.
*/
@Deprecated
public int getStorefileSizeInMB() {
return storefileSizeMB;
}
/**
* @deprecated As of release 2.0.0, this will be removed in HBase 3.0.0
* Use {@link #getRegionMetrics} instead.
*/
@Deprecated
public int getStorefileSizeMB() {
return storefileSizeMB;
}
/**
* @deprecated As of release 2.0.0, this will be removed in HBase 3.0.0
* Use {@link #getRegionMetrics} instead.
*/
@Deprecated
public int getMemstoreSizeInMB() {
return memstoreSizeMB;
}
/**
* @deprecated As of release 2.0.0, this will be removed in HBase 3.0.0
* Use {@link #getRegionMetrics} instead.
*/
@Deprecated
public int getMemStoreSizeMB() {
return memstoreSizeMB;
}
/**
* @deprecated As of release 2.0.0, this will be removed in HBase 3.0.0
* Use {@link #getRegionMetrics} instead.
*/
@Deprecated
public int getStorefileIndexSizeInMB() {
// Return value divided by 1024
return (int) (getStorefileIndexSizeKB() >> 10);
}
/**
* @deprecated As of release 2.0.0, this will be removed in HBase 3.0.0
* Use {@link #getRegionMetrics} instead.
*/
@Deprecated
public long getStorefileIndexSizeKB() {
return storefileIndexSizeKB;
}
/**
* @deprecated As of release 2.0.0, this will be removed in HBase 3.0.0
* Use {@link #getRegionMetrics} instead.
*/
@Deprecated
public long getReadRequestsCount() {
return readRequestsCount;
}
/**
* @deprecated As of release 2.0.0, this will be removed in HBase 3.0.0
* Use {@link #getRegionMetrics} instead.
*/
@Deprecated
public long getFilteredReadRequestsCount() {
return filteredReadRequestsCount;
}
/**
* @deprecated As of release 2.0.0, this will be removed in HBase 3.0.0
* Use {@link #getRegionMetrics} instead.
*/
@Deprecated
public long getWriteRequestsCount() {
return writeRequestsCount;
}
/**
* @deprecated As of release 2.0.0, this will be removed in HBase 3.0.0
* Use {@link #getRegionMetrics} instead.
*/
@Deprecated
public int getRootIndexSizeKB() {
return rootIndexSizeKB;
}
/**
* @deprecated As of release 2.0.0, this will be removed in HBase 3.0.0
* Use {@link #getRegionMetrics} instead.
*/
@Deprecated
public int getTotalStaticIndexSizeKB() {
return totalStaticIndexSizeKB;
}
/**
* @deprecated As of release 2.0.0, this will be removed in HBase 3.0.0
* Use {@link #getRegionMetrics} instead.
*/
@Deprecated
public int getTotalStaticBloomSizeKB() {
return totalStaticBloomSizeKB;
}
/**
* @deprecated As of release 2.0.0, this will be removed in HBase 3.0.0
* Use {@link #getRegionMetrics} instead.
*/
@Deprecated
public long getTotalCompactingKVs() {
return totalCompactingKVs;
}
/**
* @deprecated As of release 2.0.0, this will be removed in HBase 3.0.0
* Use {@link #getRegionMetrics} instead.
*/
@Deprecated
public long getCurrentCompactedKVs() {
return currentCompactedKVs;
}
/**
* @deprecated As of release 2.0.0, this will be removed in HBase 3.0.0
* Use {@link #getRegionMetrics} instead.
*/
@Deprecated
public int getNumberOfRegions() {
return metrics.getRegionMetrics().size();
}
@Override
public ServerName getServerName() {
return metrics.getServerName();
}
@Override
public long getRequestCountPerSecond() {
return metrics.getRequestCountPerSecond();
}
@Override
public long getRequestCount() {
return metrics.getRequestCount();
}
@Override
public Size getUsedHeapSize() {
return metrics.getUsedHeapSize();
}
@Override
public Size getMaxHeapSize() {
return metrics.getMaxHeapSize();
}
@Override
public int getInfoServerPort() {
return metrics.getInfoServerPort();
}
/**
* Call directly from client such as hbase shell
* @return the list of ReplicationLoadSource
*/
@Override
public List getReplicationLoadSourceList() {
return metrics.getReplicationLoadSourceList();
}
/**
* Call directly from client such as hbase shell
* @return ReplicationLoadSink
*/
@Override
public ReplicationLoadSink getReplicationLoadSink() {
return metrics.getReplicationLoadSink();
}
@Override
public Map getRegionMetrics() {
return metrics.getRegionMetrics();
}
@Override
public Set getCoprocessorNames() {
return metrics.getCoprocessorNames();
}
@Override
public long getReportTimestamp() {
return metrics.getReportTimestamp();
}
@Override
public long getLastReportTimestamp() {
return metrics.getLastReportTimestamp();
}
/**
* Originally, this method factored in the effect of requests going to the
* server as well. However, this does not interact very well with the current
* region rebalancing code, which only factors number of regions. For the
* interim, until we can figure out how to make rebalancing use all the info
* available, we're just going to make load purely the number of regions.
*
* @return load factor for this server.
* @deprecated As of release 2.0.0, this will be removed in HBase 3.0.0
* Use {@link #getNumberOfRegions} instead.
*/
@Deprecated
public int getLoad() {
// See above comment
// int load = numberOfRequests == 0 ? 1 : numberOfRequests;
// load *= numberOfRegions == 0 ? 1 : numberOfRegions;
// return load;
return getNumberOfRegions();
}
/**
* @deprecated As of release 2.0.0, this will be removed in HBase 3.0.0
* Use {@link #getRegionMetrics} instead.
*/
@Deprecated
public Map getRegionsLoad() {
return getRegionMetrics().entrySet().stream()
.collect(Collectors.toMap(Map.Entry::getKey, e -> new RegionLoad(e.getValue()),
(v1, v2) -> {
throw new RuntimeException("key collisions?");
}, () -> new TreeMap<>(Bytes.BYTES_COMPARATOR)));
}
/**
* @deprecated As of release 2.0.0, this will be removed in HBase 3.0.0
* Use {@link #getCoprocessorNames} instead.
*/
@Deprecated
public String[] getRegionServerCoprocessors() {
return getCoprocessorNames().toArray(new String[getCoprocessorNames().size()]);
}
/**
* @deprecated As of release 2.0.0, this will be removed in HBase 3.0.0
* Use {@link #getCoprocessorNames} instead.
*/
@Deprecated
public String[] getRsCoprocessors() {
return getRegionServerCoprocessors();
}
/**
* @deprecated As of release 2.0.0, this will be removed in HBase 3.0.0
* Use {@link #getRequestCountPerSecond} instead.
*/
@Deprecated
public double getRequestsPerSecond() {
return getRequestCountPerSecond();
}
/**
* @see java.lang.Object#toString()
*/
@Override
public String toString() {
StringBuilder sb = Strings.appendKeyValue(new StringBuilder(), "requestsPerSecond",
Double.valueOf(getRequestsPerSecond()));
Strings.appendKeyValue(sb, "numberOfOnlineRegions", Integer.valueOf(getNumberOfRegions()));
Strings.appendKeyValue(sb, "usedHeapMB", Integer.valueOf(this.getUsedHeapMB()));
Strings.appendKeyValue(sb, "maxHeapMB", Integer.valueOf(getMaxHeapMB()));
Strings.appendKeyValue(sb, "numberOfStores", Integer.valueOf(this.stores));
Strings.appendKeyValue(sb, "numberOfStorefiles", Integer.valueOf(this.storefiles));
Strings.appendKeyValue(sb, "storefileUncompressedSizeMB",
Integer.valueOf(this.storeUncompressedSizeMB));
Strings.appendKeyValue(sb, "storefileSizeMB", Integer.valueOf(this.storefileSizeMB));
if (this.storeUncompressedSizeMB != 0) {
Strings.appendKeyValue(sb, "compressionRatio", String.format("%.4f",
(float) this.storefileSizeMB / (float) this.storeUncompressedSizeMB));
}
Strings.appendKeyValue(sb, "memstoreSizeMB", Integer.valueOf(this.memstoreSizeMB));
Strings.appendKeyValue(sb, "storefileIndexSizeKB",
Long.valueOf(this.storefileIndexSizeKB));
Strings.appendKeyValue(sb, "readRequestsCount", Long.valueOf(this.readRequestsCount));
Strings.appendKeyValue(sb, "filteredReadRequestsCount",
Long.valueOf(this.filteredReadRequestsCount));
Strings.appendKeyValue(sb, "writeRequestsCount", Long.valueOf(this.writeRequestsCount));
Strings.appendKeyValue(sb, "rootIndexSizeKB", Integer.valueOf(this.rootIndexSizeKB));
Strings.appendKeyValue(sb, "totalStaticIndexSizeKB",
Integer.valueOf(this.totalStaticIndexSizeKB));
Strings.appendKeyValue(sb, "totalStaticBloomSizeKB",
Integer.valueOf(this.totalStaticBloomSizeKB));
Strings.appendKeyValue(sb, "totalCompactingKVs", Long.valueOf(this.totalCompactingKVs));
Strings.appendKeyValue(sb, "currentCompactedKVs", Long.valueOf(this.currentCompactedKVs));
float compactionProgressPct = Float.NaN;
if (this.totalCompactingKVs > 0) {
compactionProgressPct =
Float.valueOf((float) this.currentCompactedKVs / this.totalCompactingKVs);
}
Strings.appendKeyValue(sb, "compactionProgressPct", compactionProgressPct);
String[] coprocessorStrings = getRsCoprocessors();
if (coprocessorStrings != null) {
Strings.appendKeyValue(sb, "coprocessors", Arrays.toString(coprocessorStrings));
}
return sb.toString();
}
/**
* @deprecated As of release 2.0.0, this will be removed in HBase 3.0.0
* Use {@link ServerMetricsBuilder#of(ServerName)} instead.
*/
@Deprecated
public static final ServerLoad EMPTY_SERVERLOAD =
new ServerLoad(ServerName.valueOf("localhost,1,1"),
ClusterStatusProtos.ServerLoad.newBuilder().build());
/**
* @deprecated As of release 2.0.0, this will be removed in HBase 3.0.0
* Use {@link #getReportTimestamp} instead.
*/
@Deprecated
public long getReportTime() {
return getReportTimestamp();
}
@Override
public int hashCode() {
return Objects
.hashCode(stores, storefiles, storeUncompressedSizeMB, storefileSizeMB, memstoreSizeMB,
storefileIndexSizeKB, readRequestsCount, filteredReadRequestsCount, writeRequestsCount,
rootIndexSizeKB, totalStaticIndexSizeKB, totalStaticBloomSizeKB, totalCompactingKVs,
currentCompactedKVs);
}
@Override
public boolean equals(Object other) {
if (other == this) return true;
if (other instanceof ServerLoad) {
ServerLoad sl = ((ServerLoad) other);
return stores == sl.stores && storefiles == sl.storefiles
&& storeUncompressedSizeMB == sl.storeUncompressedSizeMB
&& storefileSizeMB == sl.storefileSizeMB && memstoreSizeMB == sl.memstoreSizeMB
&& storefileIndexSizeKB == sl.storefileIndexSizeKB
&& readRequestsCount == sl.readRequestsCount
&& filteredReadRequestsCount == sl.filteredReadRequestsCount
&& writeRequestsCount == sl.writeRequestsCount && rootIndexSizeKB == sl.rootIndexSizeKB
&& totalStaticIndexSizeKB == sl.totalStaticIndexSizeKB
&& totalStaticBloomSizeKB == sl.totalStaticBloomSizeKB
&& totalCompactingKVs == sl.totalCompactingKVs
&& currentCompactedKVs == sl.currentCompactedKVs;
}
return false;
}
}
