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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.action.admin.indices.stats;
import org.apache.lucene.store.AlreadyClosedException;
import org.elasticsearch.common.Nullable;
import org.elasticsearch.common.io.stream.StreamInput;
import org.elasticsearch.common.io.stream.StreamOutput;
import org.elasticsearch.common.io.stream.Writeable;
import org.elasticsearch.common.unit.ByteSizeValue;
import org.elasticsearch.common.xcontent.ToXContent;
import org.elasticsearch.common.xcontent.ToXContentFragment;
import org.elasticsearch.common.xcontent.XContentBuilder;
import org.elasticsearch.index.cache.query.QueryCacheStats;
import org.elasticsearch.index.cache.request.RequestCacheStats;
import org.elasticsearch.index.engine.SegmentsStats;
import org.elasticsearch.index.fielddata.FieldDataStats;
import org.elasticsearch.index.flush.FlushStats;
import org.elasticsearch.index.get.GetStats;
import org.elasticsearch.index.merge.MergeStats;
import org.elasticsearch.index.recovery.RecoveryStats;
import org.elasticsearch.index.refresh.RefreshStats;
import org.elasticsearch.index.search.stats.SearchStats;
import org.elasticsearch.index.shard.DocsStats;
import org.elasticsearch.index.shard.IndexShard;
import org.elasticsearch.index.shard.IndexingStats;
import org.elasticsearch.index.store.StoreStats;
import org.elasticsearch.index.translog.TranslogStats;
import org.elasticsearch.index.warmer.WarmerStats;
import org.elasticsearch.indices.IndicesQueryCache;
import org.elasticsearch.search.suggest.completion.CompletionStats;
import java.io.IOException;
import java.util.Arrays;
import java.util.Objects;
import java.util.stream.Stream;
public class CommonStats implements Writeable, ToXContentFragment {
@Nullable
public DocsStats docs;
@Nullable
public StoreStats store;
@Nullable
public IndexingStats indexing;
@Nullable
public GetStats get;
@Nullable
public SearchStats search;
@Nullable
public MergeStats merge;
@Nullable
public RefreshStats refresh;
@Nullable
public FlushStats flush;
@Nullable
public WarmerStats warmer;
@Nullable
public QueryCacheStats queryCache;
@Nullable
public FieldDataStats fieldData;
@Nullable
public CompletionStats completion;
@Nullable
public SegmentsStats segments;
@Nullable
public TranslogStats translog;
@Nullable
public RequestCacheStats requestCache;
@Nullable
public RecoveryStats recoveryStats;
public CommonStats() {
this(CommonStatsFlags.NONE);
}
public CommonStats(CommonStatsFlags flags) {
CommonStatsFlags.Flag[] setFlags = flags.getFlags();
for (CommonStatsFlags.Flag flag : setFlags) {
switch (flag) {
case Docs:
docs = new DocsStats();
break;
case Store:
store = new StoreStats();
break;
case Indexing:
indexing = new IndexingStats();
break;
case Get:
get = new GetStats();
break;
case Search:
search = new SearchStats();
break;
case Merge:
merge = new MergeStats();
break;
case Refresh:
refresh = new RefreshStats();
break;
case Flush:
flush = new FlushStats();
break;
case Warmer:
warmer = new WarmerStats();
break;
case QueryCache:
queryCache = new QueryCacheStats();
break;
case FieldData:
fieldData = new FieldDataStats();
break;
case Completion:
completion = new CompletionStats();
break;
case Segments:
segments = new SegmentsStats();
break;
case Translog:
translog = new TranslogStats();
break;
case RequestCache:
requestCache = new RequestCacheStats();
break;
case Recovery:
recoveryStats = new RecoveryStats();
break;
default:
throw new IllegalStateException("Unknown Flag: " + flag);
}
}
}
public CommonStats(IndicesQueryCache indicesQueryCache, IndexShard indexShard, CommonStatsFlags flags) {
CommonStatsFlags.Flag[] setFlags = flags.getFlags();
for (CommonStatsFlags.Flag flag : setFlags) {
try {
switch (flag) {
case Docs:
docs = indexShard.docStats();
break;
case Store:
store = indexShard.storeStats();
break;
case Indexing:
indexing = indexShard.indexingStats(flags.types());
break;
case Get:
get = indexShard.getStats();
break;
case Search:
search = indexShard.searchStats(flags.groups());
break;
case Merge:
merge = indexShard.mergeStats();
break;
case Refresh:
refresh = indexShard.refreshStats();
break;
case Flush:
flush = indexShard.flushStats();
break;
case Warmer:
warmer = indexShard.warmerStats();
break;
case QueryCache:
queryCache = indicesQueryCache.getStats(indexShard.shardId());
break;
case FieldData:
fieldData = indexShard.fieldDataStats(flags.fieldDataFields());
break;
case Completion:
completion = indexShard.completionStats(flags.completionDataFields());
break;
case Segments:
segments = indexShard.segmentStats(flags.includeSegmentFileSizes(), flags.includeUnloadedSegments());
break;
case Translog:
translog = indexShard.translogStats();
break;
case RequestCache:
requestCache = indexShard.requestCache().stats();
break;
case Recovery:
recoveryStats = indexShard.recoveryStats();
break;
default:
throw new IllegalStateException("Unknown Flag: " + flag);
}
} catch (AlreadyClosedException e) {
// shard is closed - no stats is fine
}
}
}
public CommonStats(StreamInput in) throws IOException {
docs = in.readOptionalWriteable(DocsStats::new);
store = in.readOptionalWriteable(StoreStats::new);
indexing = in.readOptionalWriteable(IndexingStats::new);
get = in.readOptionalWriteable(GetStats::new);
search = in.readOptionalWriteable(SearchStats::new);
merge = in.readOptionalWriteable(MergeStats::new);
refresh = in.readOptionalWriteable(RefreshStats::new);
flush = in.readOptionalWriteable(FlushStats::new);
warmer = in.readOptionalWriteable(WarmerStats::new);
queryCache = in.readOptionalWriteable(QueryCacheStats::new);
fieldData = in.readOptionalWriteable(FieldDataStats::new);
completion = in.readOptionalWriteable(CompletionStats::new);
segments = in.readOptionalWriteable(SegmentsStats::new);
translog = in.readOptionalWriteable(TranslogStats::new);
requestCache = in.readOptionalWriteable(RequestCacheStats::new);
recoveryStats = in.readOptionalWriteable(RecoveryStats::new);
}
@Override
public void writeTo(StreamOutput out) throws IOException {
out.writeOptionalWriteable(docs);
out.writeOptionalWriteable(store);
out.writeOptionalWriteable(indexing);
out.writeOptionalWriteable(get);
out.writeOptionalWriteable(search);
out.writeOptionalWriteable(merge);
out.writeOptionalWriteable(refresh);
out.writeOptionalWriteable(flush);
out.writeOptionalWriteable(warmer);
out.writeOptionalWriteable(queryCache);
out.writeOptionalWriteable(fieldData);
out.writeOptionalWriteable(completion);
out.writeOptionalWriteable(segments);
out.writeOptionalWriteable(translog);
out.writeOptionalWriteable(requestCache);
out.writeOptionalWriteable(recoveryStats);
}
public void add(CommonStats stats) {
if (docs == null) {
if (stats.getDocs() != null) {
docs = new DocsStats();
docs.add(stats.getDocs());
}
} else {
docs.add(stats.getDocs());
}
if (store == null) {
if (stats.getStore() != null) {
store = new StoreStats();
store.add(stats.getStore());
}
} else {
store.add(stats.getStore());
}
if (indexing == null) {
if (stats.getIndexing() != null) {
indexing = new IndexingStats();
indexing.add(stats.getIndexing());
}
} else {
indexing.add(stats.getIndexing());
}
if (get == null) {
if (stats.getGet() != null) {
get = new GetStats();
get.add(stats.getGet());
}
} else {
get.add(stats.getGet());
}
if (search == null) {
if (stats.getSearch() != null) {
search = new SearchStats();
search.add(stats.getSearch());
}
} else {
search.add(stats.getSearch());
}
if (merge == null) {
if (stats.getMerge() != null) {
merge = new MergeStats();
merge.add(stats.getMerge());
}
} else {
merge.add(stats.getMerge());
}
if (refresh == null) {
if (stats.getRefresh() != null) {
refresh = new RefreshStats();
refresh.add(stats.getRefresh());
}
} else {
refresh.add(stats.getRefresh());
}
if (flush == null) {
if (stats.getFlush() != null) {
flush = new FlushStats();
flush.add(stats.getFlush());
}
} else {
flush.add(stats.getFlush());
}
if (warmer == null) {
if (stats.getWarmer() != null) {
warmer = new WarmerStats();
warmer.add(stats.getWarmer());
}
} else {
warmer.add(stats.getWarmer());
}
if (queryCache == null) {
if (stats.getQueryCache() != null) {
queryCache = new QueryCacheStats();
queryCache.add(stats.getQueryCache());
}
} else {
queryCache.add(stats.getQueryCache());
}
if (fieldData == null) {
if (stats.getFieldData() != null) {
fieldData = new FieldDataStats();
fieldData.add(stats.getFieldData());
}
} else {
fieldData.add(stats.getFieldData());
}
if (completion == null) {
if (stats.getCompletion() != null) {
completion = new CompletionStats();
completion.add(stats.getCompletion());
}
} else {
completion.add(stats.getCompletion());
}
if (segments == null) {
if (stats.getSegments() != null) {
segments = new SegmentsStats();
segments.add(stats.getSegments());
}
} else {
segments.add(stats.getSegments());
}
if (translog == null) {
if (stats.getTranslog() != null) {
translog = new TranslogStats();
translog.add(stats.getTranslog());
}
} else {
translog.add(stats.getTranslog());
}
if (requestCache == null) {
if (stats.getRequestCache() != null) {
requestCache = new RequestCacheStats();
requestCache.add(stats.getRequestCache());
}
} else {
requestCache.add(stats.getRequestCache());
}
if (recoveryStats == null) {
if (stats.getRecoveryStats() != null) {
recoveryStats = new RecoveryStats();
recoveryStats.add(stats.getRecoveryStats());
}
} else {
recoveryStats.add(stats.getRecoveryStats());
}
}
@Nullable
public DocsStats getDocs() {
return this.docs;
}
@Nullable
public StoreStats getStore() {
return store;
}
@Nullable
public IndexingStats getIndexing() {
return indexing;
}
@Nullable
public GetStats getGet() {
return get;
}
@Nullable
public SearchStats getSearch() {
return search;
}
@Nullable
public MergeStats getMerge() {
return merge;
}
@Nullable
public RefreshStats getRefresh() {
return refresh;
}
@Nullable
public FlushStats getFlush() {
return flush;
}
@Nullable
public WarmerStats getWarmer() {
return this.warmer;
}
@Nullable
public QueryCacheStats getQueryCache() {
return this.queryCache;
}
@Nullable
public FieldDataStats getFieldData() {
return this.fieldData;
}
@Nullable
public CompletionStats getCompletion() {
return completion;
}
@Nullable
public SegmentsStats getSegments() {
return segments;
}
@Nullable
public TranslogStats getTranslog() {
return translog;
}
@Nullable
public RequestCacheStats getRequestCache() {
return requestCache;
}
@Nullable
public RecoveryStats getRecoveryStats() {
return recoveryStats;
}
/**
* Utility method which computes total memory by adding
* FieldData, PercolatorCache, Segments (memory, index writer, version map)
*/
public ByteSizeValue getTotalMemory() {
long size = 0;
if (this.getFieldData() != null) {
size += this.getFieldData().getMemorySizeInBytes();
}
if (this.getQueryCache() != null) {
size += this.getQueryCache().getMemorySizeInBytes();
}
if (this.getSegments() != null) {
size += this.getSegments().getMemoryInBytes() +
this.getSegments().getIndexWriterMemoryInBytes() +
this.getSegments().getVersionMapMemoryInBytes();
}
return new ByteSizeValue(size);
}
// note, requires a wrapping object
@Override
public XContentBuilder toXContent(XContentBuilder builder, Params params) throws IOException {
final Stream stream = Arrays.stream(new ToXContent[] {
docs, store, indexing, get, search, merge, refresh, flush, warmer, queryCache,
fieldData, completion, segments, translog, requestCache, recoveryStats})
.filter(Objects::nonNull);
for (ToXContent toXContent : ((Iterable)stream::iterator)) {
toXContent.toXContent(builder, params);
}
return builder;
}
}