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org.elasticsearch.indices.recovery.RecoveryState Maven / Gradle / Ivy
/*
* Licensed to Elasticsearch under one or more contributor
* license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright
* ownership. Elasticsearch 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.elasticsearch.indices.recovery;
import org.elasticsearch.common.xcontent.XContentBuilderString;
import org.elasticsearch.ElasticsearchIllegalArgumentException;
import org.elasticsearch.common.io.stream.StreamInput;
import org.elasticsearch.common.io.stream.StreamOutput;
import org.elasticsearch.common.xcontent.ToXContent;
import org.elasticsearch.common.xcontent.XContentBuilder;
import org.elasticsearch.common.io.stream.Streamable;
import org.elasticsearch.index.shard.ShardId;
import org.elasticsearch.cluster.node.DiscoveryNode;
import org.elasticsearch.cluster.routing.RestoreSource;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.atomic.AtomicInteger;
import java.util.concurrent.atomic.AtomicLong;
import java.util.Locale;
/**
* Keeps track of state related to shard recovery.
*/
public class RecoveryState implements ToXContent, Streamable {
public static enum Stage {
INIT((byte) 0),
INDEX((byte) 1),
START((byte) 2),
TRANSLOG((byte) 3),
FINALIZE((byte) 4),
DONE((byte) 5);
private static final Stage[] STAGES = new Stage[Stage.values().length];
static {
for (Stage stage : Stage.values()) {
assert stage.id() < STAGES.length && stage.id() >= 0;
STAGES[stage.id] = stage;
}
}
private final byte id;
Stage(byte id) {
this.id = id;
}
public byte id() {
return id;
}
public static Stage fromId(byte id) throws ElasticsearchIllegalArgumentException {
if (id < 0 || id >= STAGES.length) {
throw new ElasticsearchIllegalArgumentException("No mapping for id [" + id + "]");
}
return STAGES[id];
}
}
public static enum Type {
GATEWAY((byte) 0),
SNAPSHOT((byte) 1),
REPLICA((byte) 2),
RELOCATION((byte) 3);
private static final Type[] TYPES = new Type[Type.values().length];
static {
for (Type type : Type.values()) {
assert type.id() < TYPES.length && type.id() >= 0;
TYPES[type.id] = type;
}
}
private final byte id;
Type(byte id) {
this.id = id;
}
public byte id() {
return id;
}
public static Type fromId(byte id) throws ElasticsearchIllegalArgumentException {
if (id < 0 || id >= TYPES.length) {
throw new ElasticsearchIllegalArgumentException("No mapping for id [" + id + "]");
}
return TYPES[id];
}
}
private volatile Stage stage = Stage.INIT;
private Index index = new Index();
private Translog translog = new Translog();
private Start start = new Start();
private Timer timer = new Timer();
private Type type;
private ShardId shardId;
private RestoreSource restoreSource;
private DiscoveryNode sourceNode;
private DiscoveryNode targetNode;
private boolean detailed = false;
private boolean primary = false;
public RecoveryState() { }
public RecoveryState(ShardId shardId) {
this.shardId = shardId;
}
public ShardId getShardId() {
return shardId;
}
public Stage getStage() {
return this.stage;
}
public RecoveryState setStage(Stage stage) {
this.stage = stage;
if (stage == Stage.DONE) {
timer.stopTime(System.currentTimeMillis());
}
return this;
}
public Index getIndex() {
return index;
}
public Start getStart() {
return this.start;
}
public Translog getTranslog() {
return translog;
}
public Timer getTimer() {
return timer;
}
public Type getType() {
return type;
}
public void setType(Type type) {
this.type = type;
}
public void setSourceNode(DiscoveryNode sourceNode) {
this.sourceNode = sourceNode;
}
public DiscoveryNode getSourceNode() {
return sourceNode;
}
public void setTargetNode(DiscoveryNode targetNode) {
this.targetNode = targetNode;
}
public DiscoveryNode getTargetNode() {
return targetNode;
}
public void setRestoreSource(RestoreSource restoreSource) {
this.restoreSource = restoreSource;
}
public RestoreSource getRestoreSource() {
return restoreSource;
}
public void setDetailed(boolean detailed) {
this.detailed = detailed;
this.index.detailed(detailed);
}
public void setPrimary(boolean primary) {
this.primary = primary;
}
public boolean getPrimary() {
return primary;
}
public static RecoveryState readRecoveryState(StreamInput in) throws IOException {
RecoveryState recoveryState = new RecoveryState();
recoveryState.readFrom(in);
return recoveryState;
}
@Override
public void readFrom(StreamInput in) throws IOException {
timer.startTime(in.readVLong());
timer.stopTime(in.readVLong());
timer.time(in.readVLong());
type = Type.fromId(in.readByte());
stage = Stage.fromId(in.readByte());
shardId = ShardId.readShardId(in);
restoreSource = RestoreSource.readOptionalRestoreSource(in);
targetNode = DiscoveryNode.readNode(in);
if (in.readBoolean()) {
sourceNode = DiscoveryNode.readNode(in);
}
index = Index.readIndex(in);
translog = Translog.readTranslog(in);
start = Start.readStart(in);
detailed = in.readBoolean();
primary = in.readBoolean();
}
@Override
public void writeTo(StreamOutput out) throws IOException {
out.writeVLong(timer.startTime());
out.writeVLong(timer.stopTime());
out.writeVLong(timer.time());
out.writeByte(type.id());
out.writeByte(stage.id());
shardId.writeTo(out);
out.writeOptionalStreamable(restoreSource);
targetNode.writeTo(out);
out.writeBoolean(sourceNode != null);
if (sourceNode != null) {
sourceNode.writeTo(out);
}
index.writeTo(out);
translog.writeTo(out);
start.writeTo(out);
out.writeBoolean(detailed);
out.writeBoolean(primary);
}
@Override
public XContentBuilder toXContent(XContentBuilder builder, Params params) throws IOException {
builder.field(Fields.ID, shardId.id());
builder.field(Fields.TYPE, type.toString());
builder.field(Fields.STAGE, stage.toString());
builder.field(Fields.PRIMARY, primary);
builder.timeValueField(Fields.START_TIME_IN_MILLIS, Fields.START_TIME, timer.startTime);
builder.timeValueField(Fields.STOP_TIME_IN_MILLIS, Fields.STOP_TIME, timer.stopTime);
builder.timeValueField(Fields.TOTAL_TIME_IN_MILLIS, Fields.TOTAL_TIME, timer.time);
if (restoreSource != null) {
builder.field(Fields.SOURCE);
restoreSource.toXContent(builder, params);
} else {
builder.startObject(Fields.SOURCE);
builder.field(Fields.ID, sourceNode.id());
builder.field(Fields.HOST, sourceNode.getHostName());
builder.field(Fields.TRANSPORT_ADDRESS, sourceNode.address().toString());
builder.field(Fields.IP, sourceNode.getHostAddress());
builder.field(Fields.NAME, sourceNode.name());
builder.endObject();
}
builder.startObject(Fields.TARGET);
builder.field(Fields.ID, targetNode.id());
builder.field(Fields.HOST, targetNode.getHostName());
builder.field(Fields.TRANSPORT_ADDRESS, targetNode.address().toString());
builder.field(Fields.IP, targetNode.getHostAddress());
builder.field(Fields.NAME, targetNode.name());
builder.endObject();
builder.startObject(Fields.INDEX);
index.detailed(this.detailed);
index.toXContent(builder, params);
builder.endObject();
builder.startObject(Fields.TRANSLOG);
translog.toXContent(builder, params);
builder.endObject();
builder.startObject(Fields.START);
start.toXContent(builder, params);
builder.endObject();
return builder;
}
static final class Fields {
static final XContentBuilderString ID = new XContentBuilderString("id");
static final XContentBuilderString TYPE = new XContentBuilderString("type");
static final XContentBuilderString STAGE = new XContentBuilderString("stage");
static final XContentBuilderString PRIMARY = new XContentBuilderString("primary");
static final XContentBuilderString START_TIME = new XContentBuilderString("start_time");
static final XContentBuilderString START_TIME_IN_MILLIS = new XContentBuilderString("start_time_in_millis");
static final XContentBuilderString STOP_TIME = new XContentBuilderString("stop_time");
static final XContentBuilderString STOP_TIME_IN_MILLIS = new XContentBuilderString("stop_time_in_millis");
static final XContentBuilderString TOTAL_TIME = new XContentBuilderString("total_time");
static final XContentBuilderString TOTAL_TIME_IN_MILLIS = new XContentBuilderString("total_time_in_millis");
static final XContentBuilderString SOURCE = new XContentBuilderString("source");
static final XContentBuilderString HOST = new XContentBuilderString("host");
static final XContentBuilderString TRANSPORT_ADDRESS = new XContentBuilderString("transport_address");
static final XContentBuilderString IP = new XContentBuilderString("ip");
static final XContentBuilderString NAME = new XContentBuilderString("name");
static final XContentBuilderString TARGET = new XContentBuilderString("target");
static final XContentBuilderString INDEX = new XContentBuilderString("index");
static final XContentBuilderString TRANSLOG = new XContentBuilderString("translog");
static final XContentBuilderString START = new XContentBuilderString("start");
static final XContentBuilderString RECOVERED = new XContentBuilderString("recovered");
static final XContentBuilderString CHECK_INDEX_TIME = new XContentBuilderString("check_index_time");
static final XContentBuilderString CHECK_INDEX_TIME_IN_MILLIS = new XContentBuilderString("check_index_time_in_millis");
static final XContentBuilderString LENGTH = new XContentBuilderString("length");
static final XContentBuilderString FILES = new XContentBuilderString("files");
static final XContentBuilderString TOTAL = new XContentBuilderString("total");
static final XContentBuilderString REUSED = new XContentBuilderString("reused");
static final XContentBuilderString PERCENT = new XContentBuilderString("percent");
static final XContentBuilderString DETAILS = new XContentBuilderString("details");
static final XContentBuilderString BYTES = new XContentBuilderString("bytes");
}
public static class Timer {
private long startTime = 0;
private long time = 0;
private long stopTime = 0;
public long startTime() {
return startTime;
}
public void startTime(long startTime) {
this.startTime = startTime;
}
public long time() {
return time;
}
public void time(long time) {
this.time = time;
}
public long stopTime() {
return stopTime;
}
public void stopTime(long stopTime) {
this.stopTime = stopTime;
}
}
public static class Start implements ToXContent, Streamable {
private long startTime;
private long time;
private long checkIndexTime;
public long startTime() {
return this.startTime;
}
public void startTime(long startTime) {
this.startTime = startTime;
}
public long time() {
return this.time;
}
public void time(long time) {
this.time = time;
}
public long checkIndexTime() {
return checkIndexTime;
}
public void checkIndexTime(long checkIndexTime) {
this.checkIndexTime = checkIndexTime;
}
public static Start readStart(StreamInput in) throws IOException {
Start start = new Start();
start.readFrom(in);
return start;
}
@Override
public void readFrom(StreamInput in) throws IOException {
startTime = in.readVLong();
time = in.readVLong();
checkIndexTime = in.readVLong();
}
@Override
public void writeTo(StreamOutput out) throws IOException {
out.writeVLong(startTime);
out.writeVLong(time);
out.writeVLong(checkIndexTime);
}
@Override
public XContentBuilder toXContent(XContentBuilder builder, Params params) throws IOException {
builder.timeValueField(Fields.CHECK_INDEX_TIME_IN_MILLIS, Fields.CHECK_INDEX_TIME, checkIndexTime);
builder.timeValueField(Fields.TOTAL_TIME_IN_MILLIS, Fields.TOTAL_TIME, time);
return builder;
}
}
public static class Translog implements ToXContent, Streamable {
private long startTime = 0;
private long time;
private volatile int currentTranslogOperations = 0;
public long startTime() {
return this.startTime;
}
public void startTime(long startTime) {
this.startTime = startTime;
}
public long time() {
return this.time;
}
public void time(long time) {
this.time = time;
}
public void addTranslogOperations(int count) {
this.currentTranslogOperations += count;
}
public void incrementTranslogOperations() {
this.currentTranslogOperations++;
}
public int currentTranslogOperations() {
return this.currentTranslogOperations;
}
public static Translog readTranslog(StreamInput in) throws IOException {
Translog translog = new Translog();
translog.readFrom(in);
return translog;
}
@Override
public void readFrom(StreamInput in) throws IOException {
startTime = in.readVLong();
time = in.readVLong();
currentTranslogOperations = in.readVInt();
}
@Override
public void writeTo(StreamOutput out) throws IOException {
out.writeVLong(startTime);
out.writeVLong(time);
out.writeVInt(currentTranslogOperations);
}
@Override
public XContentBuilder toXContent(XContentBuilder builder, Params params) throws IOException {
builder.field(Fields.RECOVERED, currentTranslogOperations);
builder.timeValueField(Fields.TOTAL_TIME_IN_MILLIS, Fields.TOTAL_TIME, time);
return builder;
}
}
public static class File implements ToXContent, Streamable {
String name;
long length;
long recovered;
public File() { }
public File(String name, long length) {
this.name = name;
this.length = length;
}
public void updateRecovered(long length) {
recovered += length;
}
public static File readFile(StreamInput in) throws IOException {
File file = new File();
file.readFrom(in);
return file;
}
@Override
public void readFrom(StreamInput in) throws IOException {
name = in.readString();
length = in.readVLong();
recovered = in.readVLong();
}
@Override
public void writeTo(StreamOutput out) throws IOException {
out.writeString(name);
out.writeVLong(length);
out.writeVLong(recovered);
}
@Override
public XContentBuilder toXContent(XContentBuilder builder, Params params) throws IOException {
builder.startObject();
builder.field(Fields.NAME, name);
builder.field(Fields.LENGTH, length);
builder.field(Fields.RECOVERED, recovered);
builder.endObject();
return builder;
}
}
public static class Index implements ToXContent, Streamable {
private long startTime = 0;
private long time = 0;
private List fileDetails = new ArrayList();
private List reusedFileDetails = new ArrayList();
private long version = -1;
private boolean detailed = false;
private int totalFileCount = 0;
private int reusedFileCount = 0;
private AtomicInteger recoveredFileCount = new AtomicInteger();
private long totalByteCount = 0;
private long reusedByteCount = 0;
private AtomicLong recoveredByteCount = new AtomicLong();
public List fileDetails() {
return fileDetails;
}
public List reusedFileDetails() {
return reusedFileDetails;
}
public void addFileDetail(String name, long length) {
fileDetails.add(new File(name, length));
}
public void addFileDetail(String name, long length, long recovered) {
File file = new File(name, length);
file.recovered = recovered;
fileDetails.add(file);
}
public void addFileDetails(List names, List lengths) {
for (int i = 0; i < names.size(); i++) {
fileDetails.add(new File(names.get(i), lengths.get(i)));
}
}
public void addReusedFileDetail(String name, long length) {
reusedFileDetails.add(new File(name, length));
}
public void addReusedFileDetails(List names, List lengths) {
for (int i = 0; i < names.size(); i++) {
reusedFileDetails.add(new File(names.get(i), lengths.get(i)));
}
}
public File file(String name) {
for (File file : fileDetails) {
if (file.name.equals(name))
return file;
}
for (File file : reusedFileDetails) {
if (file.name.equals(name)) {
return file;
}
}
return null;
}
public long startTime() {
return this.startTime;
}
public void startTime(long startTime) {
this.startTime = startTime;
}
public long time() {
return this.time;
}
public void time(long time) {
this.time = time;
}
public long version() {
return this.version;
}
public void files(int totalFileCount, long totalByteCount, int reusedFileCount, long reusedByteCount) {
this.totalFileCount = totalFileCount;
this.totalByteCount = totalByteCount;
this.reusedFileCount = reusedFileCount;
this.reusedByteCount = reusedByteCount;
}
public int totalFileCount() {
return totalFileCount;
}
public void totalFileCount(int totalFileCount) {
this.totalFileCount = totalFileCount;
}
public int recoveredFileCount() {
return recoveredFileCount.get();
}
public void recoveredFileCount(int recoveredFileCount) {
this.recoveredFileCount.set(recoveredFileCount);
}
public void addRecoveredFileCount(int updatedCount) {
this.recoveredFileCount.addAndGet(updatedCount);
}
public float percentFilesRecovered(int numberRecovered) {
if (totalFileCount == 0) { // indicates we are still in init phase
return 0.0f;
}
if ((totalFileCount - reusedFileCount) == 0) {
return 100.0f;
} else {
int d = totalFileCount - reusedFileCount;
float result = 100.0f * (numberRecovered / (float) d);
return result;
}
}
public int numberOfRecoveredFiles() {
return totalFileCount - reusedFileCount;
}
public long totalByteCount() {
return this.totalByteCount;
}
public void totalByteCount(long totalByteCount) {
this.totalByteCount = totalByteCount;
}
public long recoveredByteCount() {
return recoveredByteCount.longValue();
}
public void recoveredByteCount(long recoveredByteCount) {
this.recoveredByteCount.set(recoveredByteCount);
}
public void addRecoveredByteCount(long updatedSize) {
recoveredByteCount.addAndGet(updatedSize);
}
public long numberOfRecoveredBytes() {
return recoveredByteCount.get() - reusedByteCount;
}
public float percentBytesRecovered(long numberRecovered) {
if (totalByteCount == 0) { // indicates we are still in init phase
return 0.0f;
}
if ((totalByteCount - reusedByteCount) == 0) {
return 100.0f;
} else {
long d = totalByteCount - reusedByteCount;
float result = 100.0f * (numberRecovered / (float) d);
return result;
}
}
public int reusedFileCount() {
return reusedFileCount;
}
public long reusedByteCount() {
return this.reusedByteCount;
}
public void reusedByteCount(long reusedByteCount) {
this.reusedByteCount = reusedByteCount;
}
public long recoveredTotalSize() {
return totalByteCount - reusedByteCount;
}
public void updateVersion(long version) {
this.version = version;
}
public void detailed(boolean detailed) {
this.detailed = detailed;
}
public static Index readIndex(StreamInput in) throws IOException {
Index index = new Index();
index.readFrom(in);
return index;
}
@Override
public void readFrom(StreamInput in) throws IOException {
startTime = in.readVLong();
time = in.readVLong();
totalFileCount = in.readVInt();
totalByteCount = in.readVLong();
reusedFileCount = in.readVInt();
reusedByteCount = in.readVLong();
recoveredFileCount = new AtomicInteger(in.readVInt());
recoveredByteCount = new AtomicLong(in.readVLong());
int size = in.readVInt();
fileDetails = new ArrayList(size);
for (int i = 0; i < size; i++) {
fileDetails.add(File.readFile(in));
}
size = in.readVInt();
reusedFileDetails = new ArrayList(size);
for (int i = 0; i < size; i++) {
reusedFileDetails.add(File.readFile(in));
}
}
@Override
public void writeTo(StreamOutput out) throws IOException {
out.writeVLong(startTime);
out.writeVLong(time);
out.writeVInt(totalFileCount);
out.writeVLong(totalByteCount);
out.writeVInt(reusedFileCount);
out.writeVLong(reusedByteCount);
out.writeVInt(recoveredFileCount.get());
out.writeVLong(recoveredByteCount.get());
out.writeVInt(fileDetails.size());
for (File file : fileDetails) {
file.writeTo(out);
}
out.writeVInt(reusedFileDetails.size());
for (File file : reusedFileDetails) {
file.writeTo(out);
}
}
@Override
public XContentBuilder toXContent(XContentBuilder builder, Params params) throws IOException {
int filesRecovered = recoveredFileCount.get();
long bytesRecovered = recoveredByteCount.get();
builder.startObject(Fields.FILES);
builder.field(Fields.TOTAL, totalFileCount);
builder.field(Fields.REUSED, reusedFileCount);
builder.field(Fields.RECOVERED, filesRecovered);
builder.field(Fields.PERCENT, String.format(Locale.ROOT, "%1.1f%%", percentFilesRecovered(filesRecovered)));
if (detailed) {
builder.startArray(Fields.DETAILS);
for (File file : fileDetails) {
file.toXContent(builder, params);
}
for (File file : reusedFileDetails) {
file.toXContent(builder, params);
}
builder.endArray();
}
builder.endObject();
builder.startObject(Fields.BYTES);
builder.field(Fields.TOTAL, totalByteCount);
builder.field(Fields.REUSED, reusedByteCount);
builder.field(Fields.RECOVERED, bytesRecovered);
builder.field(Fields.PERCENT, String.format(Locale.ROOT, "%1.1f%%", percentBytesRecovered(bytesRecovered)));
builder.endObject();
builder.timeValueField(Fields.TOTAL_TIME_IN_MILLIS, Fields.TOTAL_TIME, time);
return builder;
}
}
}
