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RSS订阅原创 【路径2】query分片查询返回InitialSearchPhase#maybeFork
query查询返回run:38, AbstractRunnable (org.elasticsearch.common.util.concurrent)doRun:638, ThreadContext$ContextPreservingAbstractRunnable (org.elasticsearch.common.util.concurrent)doRun:1000, SearchService$3 (org.elasticsearch.search)onResponse:271, Searc
2022-05-23 21:45:55
102
原创 elasticsearch源码关于TransportSearchAction【阶段二】4.executeQueryPhase【重点】
1.回顾SearchTransportServicepublic class SearchTransportService extends AbstractComponentsearchService.executeQueryPhase(request, (SearchTask) task, new ActionListener()request$ShardSearchTransportRequesttransportService.registerRequestHandler(QUERY_ACTI
2022-05-17 22:29:16
273
原创 【路径】1.query阶段：分行分片前的请求InitialSearchPhase
分行分片前的请求1.Netty4HttpServerTransportdispatchRequest:491, Netty4HttpServerTransport (org.elasticsearch.http.netty4)2.RestControllerdispatchRequest:240, RestController (org.elasticsearch.rest)tryAllHandlers:337, RestController (org.elasticsearch.rest)di
2022-05-14 15:17:33
327
原创 elasticsearch源码query和fetch的分水岭：RequestHandlerRegistry
1.RequestHandlerRegistrypublic class RequestHandlerRegistryprivate final TransportRequestHandler handler;handler$SearchTransportService处理query 和 fetchhandler.messageReceived(request, new TransportChannelWrapper(taskManager, task, channel), task); pu
2022-05-08 13:07:58
759
原创 elasticsearch源码关于TransportSearchAction【阶段二】3.messageReceived
1.回顾 TransportServicepublic class TransportService extends AbstractLifecycleComponent执行本地任务reg.processMessageReceived(request, channel)//ShardSearchTransportRequest private void sendLocalRequest(long requestId, final String action, final TransportR
2022-05-06 22:23:09
679
原创 elasticsearch源码关于TransportSearchAction【阶段二】2.sendChildRequest
1.回顾 SearchTransportServicepublic class SearchTransportService extends AbstractComponent // 转发分片，连接信息，节点信息，分片信息，任务信息 public void sendExecuteQuery(Transport.Connection connection, final ShardSearchTransportRequest request, SearchTask task,
2022-05-04 10:56:16
699
原创 elasticsearch源码关于response【阶段四】
1.回顾InitialSearchPhaseabstract class InitialSearchPhase extends SearchPhase1.关注SearchActionListener构造函数2.关注SearchShardTarget构造函数3.onShardResult(result, shardIt)private void performPhaseOnShard(final int shardIndex, final SearchShardIterator shardIt, f
2022-04-28 23:52:11
1581
原创 elasticsearch源码关于TransportSearchAction【阶段三】
1.回顾.TransportServicepublic class TransportService extends AbstractLifecycleComponentTransportService：方法：1 public final <T extends TransportResponse> void sendRequest(final Transport.Connection connection, final String action,
2022-04-27 23:11:36
1689
原创 elasticsearch源码关于TransportSearchAction【阶段二】
回顾：TransportSearchAction#executeSearchsearchAsyncAction(task, searchRequest, shardIterators, timeProvider, connectionLookup, clusterState.version(), Collections.unmodifiableMap(aliasFilter), concreteIndexBoosts, listener, preFilterSearchShards).start(
2022-04-26 23:13:56
1520
原创 elasticsearch源码关于TransportSearchAction【阶段一】
1.RestControllerpublic class RestController extends AbstractComponent implements HttpServerTransport.Dispatcher {RestController：方法1 @Override public void dispatchRequest(RestRequest request, RestChannel channel, ThreadContext threadContext) {
2022-04-21 23:47:28
869
原创 elasticsearch源码关于action
package org.elasticsearch.rest.action 有 很多action包地址package org.elasticsearch.rest.action.searchpublic class RestSearchAction extends BaseRestHandle// 启动时注册public RestSearchAction(Settings settings, RestController controller) {super(settings);control
2022-04-21 21:58:45
222
原创 Transport模块分析
1. 网络模块初始化public interface NetworkPlugin1.构建Netty4Transport作为Transportpublic final class NetworkModuleMap<String, Supplier> httpTransportFactory = plugin.getTransports(settings, threadPool, bigArrays,circuitBreakerService, namedWriteableRegistry
2022-04-19 23:23:42
230
原创 elasticsearch源码：RestController#tryAllHandlers查询流程
RestController#dispatchRequest1.执行tryAllHandlers2.dispatchRequestBaseRestHandler[抽象类] -> RestHandler [接口] #handleRequestfinal RestHandler wrappedHandler = mHandler.map(h -> handlerWrapper.apply(h)).get();3.wrappedHandler.handleRequest(request,
2022-04-17 14:52:24
217
原创 elasticsearch源码：QueryPhase#execute
QueryPhase#executeIndexSearcher#search[luence类]searcher.search(query, queryCollector)IndexSearcher#search[luence类]search(leafContexts, createNormalizedWeight(query, results.needsScores()), results);ContextIndexSearcher#searchsearch(List<LeafRe.
2022-04-12 21:52:01
263
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