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/*
* 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.index;
import org.apache.logging.log4j.Logger;
import org.elasticsearch.common.Booleans;
import org.elasticsearch.common.Strings;
import org.elasticsearch.common.logging.Loggers;
import org.elasticsearch.common.settings.Setting;
import org.elasticsearch.common.settings.Setting.Property;
import org.elasticsearch.common.unit.TimeValue;
import org.elasticsearch.common.xcontent.XContentHelper;
import org.elasticsearch.index.engine.Engine;
import org.elasticsearch.index.mapper.ParsedDocument;
import org.elasticsearch.index.shard.IndexingOperationListener;
import org.elasticsearch.index.shard.ShardId;
import java.io.IOException;
import java.util.concurrent.TimeUnit;
public final class IndexingSlowLog implements IndexingOperationListener {
private final Index index;
private boolean reformat;
private long indexWarnThreshold;
private long indexInfoThreshold;
private long indexDebugThreshold;
private long indexTraceThreshold;
/**
* How much of the source to log in the slowlog - 0 means log none and
* anything greater than 0 means log at least that many <em>characters</em>
* of the source.
*/
private int maxSourceCharsToLog;
private SlowLogLevel level;
private final Logger indexLogger;
private static final String INDEX_INDEXING_SLOWLOG_PREFIX = "index.indexing.slowlog";
public static final Setting<TimeValue> INDEX_INDEXING_SLOWLOG_THRESHOLD_INDEX_WARN_SETTING =
Setting.timeSetting(INDEX_INDEXING_SLOWLOG_PREFIX +".threshold.index.warn", TimeValue.timeValueNanos(-1),
TimeValue.timeValueMillis(-1), Property.Dynamic, Property.IndexScope);
public static final Setting<TimeValue> INDEX_INDEXING_SLOWLOG_THRESHOLD_INDEX_INFO_SETTING =
Setting.timeSetting(INDEX_INDEXING_SLOWLOG_PREFIX +".threshold.index.info", TimeValue.timeValueNanos(-1),
TimeValue.timeValueMillis(-1), Property.Dynamic, Property.IndexScope);
public static final Setting<TimeValue> INDEX_INDEXING_SLOWLOG_THRESHOLD_INDEX_DEBUG_SETTING =
Setting.timeSetting(INDEX_INDEXING_SLOWLOG_PREFIX +".threshold.index.debug", TimeValue.timeValueNanos(-1),
TimeValue.timeValueMillis(-1), Property.Dynamic, Property.IndexScope);
public static final Setting<TimeValue> INDEX_INDEXING_SLOWLOG_THRESHOLD_INDEX_TRACE_SETTING =
Setting.timeSetting(INDEX_INDEXING_SLOWLOG_PREFIX +".threshold.index.trace", TimeValue.timeValueNanos(-1),
TimeValue.timeValueMillis(-1), Property.Dynamic, Property.IndexScope);
public static final Setting<Boolean> INDEX_INDEXING_SLOWLOG_REFORMAT_SETTING =
Setting.boolSetting(INDEX_INDEXING_SLOWLOG_PREFIX +".reformat", true, Property.Dynamic, Property.IndexScope);
public static final Setting<SlowLogLevel> INDEX_INDEXING_SLOWLOG_LEVEL_SETTING =
new Setting<>(INDEX_INDEXING_SLOWLOG_PREFIX +".level", SlowLogLevel.TRACE.name(), SlowLogLevel::parse, Property.Dynamic,
Property.IndexScope);
/**
* Reads how much of the source to log. The user can specify any value they
* like and numbers are interpreted the maximum number of characters to log
* and everything else is interpreted as Elasticsearch interprets booleans
* which is then converted to 0 for false and Integer.MAX_VALUE for true.
*/
public static final Setting<Integer> INDEX_INDEXING_SLOWLOG_MAX_SOURCE_CHARS_TO_LOG_SETTING =
new Setting<>(INDEX_INDEXING_SLOWLOG_PREFIX + ".source", "1000", (value) -> {
try {
return Integer.parseInt(value, 10);
} catch (NumberFormatException e) {
return Booleans.parseBoolean(value, true) ? Integer.MAX_VALUE : 0;
}
}, Property.Dynamic, Property.IndexScope);
IndexingSlowLog(IndexSettings indexSettings) {
this.indexLogger = Loggers.getLogger(INDEX_INDEXING_SLOWLOG_PREFIX + ".index", indexSettings.getSettings());
this.index = indexSettings.getIndex();
indexSettings.getScopedSettings().addSettingsUpdateConsumer(INDEX_INDEXING_SLOWLOG_REFORMAT_SETTING, this::setReformat);
this.reformat = indexSettings.getValue(INDEX_INDEXING_SLOWLOG_REFORMAT_SETTING);
indexSettings.getScopedSettings()
.addSettingsUpdateConsumer(INDEX_INDEXING_SLOWLOG_THRESHOLD_INDEX_WARN_SETTING, this::setWarnThreshold);
this.indexWarnThreshold = indexSettings.getValue(INDEX_INDEXING_SLOWLOG_THRESHOLD_INDEX_WARN_SETTING).nanos();
indexSettings.getScopedSettings()
.addSettingsUpdateConsumer(INDEX_INDEXING_SLOWLOG_THRESHOLD_INDEX_INFO_SETTING, this::setInfoThreshold);
this.indexInfoThreshold = indexSettings.getValue(INDEX_INDEXING_SLOWLOG_THRESHOLD_INDEX_INFO_SETTING).nanos();
indexSettings.getScopedSettings()
.addSettingsUpdateConsumer(INDEX_INDEXING_SLOWLOG_THRESHOLD_INDEX_DEBUG_SETTING, this::setDebugThreshold);
this.indexDebugThreshold = indexSettings.getValue(INDEX_INDEXING_SLOWLOG_THRESHOLD_INDEX_DEBUG_SETTING).nanos();
indexSettings.getScopedSettings()
.addSettingsUpdateConsumer(INDEX_INDEXING_SLOWLOG_THRESHOLD_INDEX_TRACE_SETTING, this::setTraceThreshold);
this.indexTraceThreshold = indexSettings.getValue(INDEX_INDEXING_SLOWLOG_THRESHOLD_INDEX_TRACE_SETTING).nanos();
indexSettings.getScopedSettings().addSettingsUpdateConsumer(INDEX_INDEXING_SLOWLOG_LEVEL_SETTING, this::setLevel);
setLevel(indexSettings.getValue(INDEX_INDEXING_SLOWLOG_LEVEL_SETTING));
indexSettings.getScopedSettings().addSettingsUpdateConsumer(INDEX_INDEXING_SLOWLOG_MAX_SOURCE_CHARS_TO_LOG_SETTING,
this::setMaxSourceCharsToLog);
this.maxSourceCharsToLog = indexSettings.getValue(INDEX_INDEXING_SLOWLOG_MAX_SOURCE_CHARS_TO_LOG_SETTING);
}
private void setMaxSourceCharsToLog(int maxSourceCharsToLog) {
this.maxSourceCharsToLog = maxSourceCharsToLog;
}
private void setLevel(SlowLogLevel level) {
this.level = level;
Loggers.setLevel(this.indexLogger, level.name());
}
private void setWarnThreshold(TimeValue warnThreshold) {
this.indexWarnThreshold = warnThreshold.nanos();
}
private void setInfoThreshold(TimeValue infoThreshold) {
this.indexInfoThreshold = infoThreshold.nanos();
}
private void setDebugThreshold(TimeValue debugThreshold) {
this.indexDebugThreshold = debugThreshold.nanos();
}
private void setTraceThreshold(TimeValue traceThreshold) {
this.indexTraceThreshold = traceThreshold.nanos();
}
private void setReformat(boolean reformat) {
this.reformat = reformat;
}
@Override
public void postIndex(ShardId shardId, Engine.Index indexOperation, Engine.IndexResult result) {
if (result.hasFailure() == false) {
final ParsedDocument doc = indexOperation.parsedDoc();
final long tookInNanos = result.getTook();
if (indexWarnThreshold >= 0 && tookInNanos > indexWarnThreshold) {
indexLogger.warn("{}", new SlowLogParsedDocumentPrinter(index, doc, tookInNanos, reformat, maxSourceCharsToLog));
} else if (indexInfoThreshold >= 0 && tookInNanos > indexInfoThreshold) {
indexLogger.info("{}", new SlowLogParsedDocumentPrinter(index, doc, tookInNanos, reformat, maxSourceCharsToLog));
} else if (indexDebugThreshold >= 0 && tookInNanos > indexDebugThreshold) {
indexLogger.debug("{}", new SlowLogParsedDocumentPrinter(index, doc, tookInNanos, reformat, maxSourceCharsToLog));
} else if (indexTraceThreshold >= 0 && tookInNanos > indexTraceThreshold) {
indexLogger.trace("{}", new SlowLogParsedDocumentPrinter(index, doc, tookInNanos, reformat, maxSourceCharsToLog));
}
}
}
static final class SlowLogParsedDocumentPrinter {
private final ParsedDocument doc;
private final long tookInNanos;
private final boolean reformat;
private final int maxSourceCharsToLog;
private final Index index;
SlowLogParsedDocumentPrinter(Index index, ParsedDocument doc, long tookInNanos, boolean reformat, int maxSourceCharsToLog) {
this.doc = doc;
this.index = index;
this.tookInNanos = tookInNanos;
this.reformat = reformat;
this.maxSourceCharsToLog = maxSourceCharsToLog;
}
@Override
public String toString() {
StringBuilder sb = new StringBuilder();
sb.append(index).append(" ");
sb.append("took[").append(TimeValue.timeValueNanos(tookInNanos)).append("], ");
sb.append("took_millis[").append(TimeUnit.NANOSECONDS.toMillis(tookInNanos)).append("], ");
sb.append("type[").append(doc.type()).append("], ");
sb.append("id[").append(doc.id()).append("], ");
if (doc.routing() == null) {
sb.append("routing[] ");
} else {
sb.append("routing[").append(doc.routing()).append("] ");
}
if (maxSourceCharsToLog == 0 || doc.source() == null || doc.source().length() == 0) {
return sb.toString();
}
try {
String source = XContentHelper.convertToJson(doc.source(), reformat);
sb.append(", source[").append(Strings.cleanTruncate(source, maxSourceCharsToLog)).append("]");
} catch (IOException e) {
sb.append(", source[_failed_to_convert_]");
}
return sb.toString();
}
}
boolean isReformat() {
return reformat;
}
long getIndexWarnThreshold() {
return indexWarnThreshold;
}
long getIndexInfoThreshold() {
return indexInfoThreshold;
}
long getIndexTraceThreshold() {
return indexTraceThreshold;
}
long getIndexDebugThreshold() {
return indexDebugThreshold;
}
int getMaxSourceCharsToLog() {
return maxSourceCharsToLog;
}
SlowLogLevel getLevel() {
return level;
}
}
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