| /* |
| * 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.skywalking.oap.server.storage.plugin.elasticsearch.cache; |
| |
| import java.util.ArrayList; |
| import java.util.HashSet; |
| import java.util.List; |
| import java.util.Set; |
| import lombok.extern.slf4j.Slf4j; |
| import org.apache.skywalking.library.elasticsearch.requests.search.BoolQueryBuilder; |
| import org.apache.skywalking.library.elasticsearch.requests.search.Query; |
| import org.apache.skywalking.library.elasticsearch.requests.search.Search; |
| import org.apache.skywalking.library.elasticsearch.requests.search.SearchParams; |
| import org.apache.skywalking.library.elasticsearch.response.search.SearchHit; |
| import org.apache.skywalking.library.elasticsearch.response.search.SearchResponse; |
| import org.apache.skywalking.oap.server.core.analysis.manual.networkalias.NetworkAddressAlias; |
| import org.apache.skywalking.oap.server.core.storage.cache.INetworkAddressAliasDAO; |
| import org.apache.skywalking.oap.server.core.storage.type.HashMapConverter; |
| import org.apache.skywalking.oap.server.library.client.elasticsearch.ElasticSearchClient; |
| import org.apache.skywalking.oap.server.storage.plugin.elasticsearch.StorageModuleElasticsearchConfig; |
| import org.apache.skywalking.oap.server.storage.plugin.elasticsearch.base.EsDAO; |
| import org.apache.skywalking.oap.server.storage.plugin.elasticsearch.base.IndexController; |
| |
| @Slf4j |
| public class NetworkAddressAliasEsDAO extends EsDAO implements INetworkAddressAliasDAO { |
| protected final int resultWindowMaxSize; |
| protected final int scrollingBatchSize; |
| |
| public NetworkAddressAliasEsDAO(ElasticSearchClient client, |
| StorageModuleElasticsearchConfig config) { |
| super(client); |
| this.resultWindowMaxSize = config.getResultWindowMaxSize(); |
| this.scrollingBatchSize = config.getScrollingBatchSize(); |
| } |
| |
| @Override |
| public List<NetworkAddressAlias> loadLastUpdate(long timeBucketInMinute) { |
| List<NetworkAddressAlias> networkAddressAliases = new ArrayList<>(); |
| final String index = |
| IndexController.LogicIndicesRegister.getPhysicalTableName(NetworkAddressAlias.INDEX_NAME); |
| try { |
| final int batchSize = Math.min(resultWindowMaxSize, scrollingBatchSize); |
| final BoolQueryBuilder query = Query.bool(); |
| if (IndexController.LogicIndicesRegister.isPhysicalTable(NetworkAddressAlias.INDEX_NAME)) { |
| query.must(Query.term(IndexController.LogicIndicesRegister.METRIC_TABLE_NAME, NetworkAddressAlias.INDEX_NAME)); |
| } |
| query.must(Query.range(NetworkAddressAlias.LAST_UPDATE_TIME_BUCKET) |
| .gte(timeBucketInMinute)); |
| |
| final Search search = Search.builder().query(query).size(batchSize).build(); |
| |
| final SearchParams params = new SearchParams().scroll(SCROLL_CONTEXT_RETENTION); |
| final NetworkAddressAlias.Builder builder = new NetworkAddressAlias.Builder(); |
| |
| SearchResponse results = |
| getClient().search(index, search, params); |
| final Set<String> scrollIds = new HashSet<>(); |
| try { |
| while (true) { |
| final String scrollId = results.getScrollId(); |
| scrollIds.add(scrollId); |
| if (results.getHits().getTotal() == 0) { |
| break; |
| } |
| for (SearchHit searchHit : results.getHits()) { |
| networkAddressAliases.add( |
| builder.storage2Entity( |
| new HashMapConverter.ToEntity(searchHit.getSource()))); |
| } |
| if (results.getHits().getTotal() < batchSize) { |
| break; |
| } |
| if (networkAddressAliases.size() >= resultWindowMaxSize) { |
| break; |
| } |
| results = getClient().scroll(SCROLL_CONTEXT_RETENTION, scrollId); |
| } |
| } finally { |
| scrollIds.forEach(getClient()::deleteScrollContextQuietly); |
| } |
| } catch (Throwable t) { |
| log.error(t.getMessage(), t); |
| } |
| |
| return networkAddressAliases; |
| } |
| } |