通过在 Spring Boot 应用程序中简单地创建查找 API 进行负载测试时，所有线程都在中间停止，导致 tps 记录为 0，然后再次工作。
（我使用 Hibernate）
我进行了线程转储并检查了它，但我不知道原因。我可以寻求帮助吗？
首先，负载测试中使用的大部分线程都处于以下状态。
许多线程正在等待'0x0000000700d9d9f8'，但线程转储没有找到该线程。
"http-nio-8080-exec-4" #43 daemon prio=5 os_prio=31 cpu=1616.02ms elapsed=143.79s tid=0x00007f8147be0000 nid=0x7a03 waiting on condition [0x0000700008308000]
java.lang.Thread.State: TIMED_WAITING (parking)
at jdk.internal.misc.Unsafe.park(java.base@11.0.10/Native Method)
- parking to wait for <0x0000000700d9d9f8> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
at java.util.concurrent.locks.LockSupport.parkNanos(java.base@11.0.10/LockSupport.java:234)
at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(java.base@11.0.10/AbstractQueuedSynchronizer.java:2123)
at java.util.concurrent.LinkedBlockingQueue.poll(java.base@11.0.10/LinkedBlockingQueue.java:458)
at org.apache.tomcat.util.threads.TaskQueue.poll(TaskQueue.java:102)
at org.apache.tomcat.util.threads.TaskQueue.poll(TaskQueue.java:33)
at java.util.concurrent.ThreadPoolExecutor.getTask(java.base@11.0.10/ThreadPoolExecutor.java:1053)
at java.util.concurrent.ThreadPoolExecutor.runWorker(java.base@11.0.10/ThreadPoolExecutor.java:1114)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(java.base@11.0.10/ThreadPoolExecutor.java:628)
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
at java.lang.Thread.run(java.base@11.0.10/Thread.java:829)
Locked ownable synchronizers:
- None
顺便说一下，我发现了一些与上述不同的线程。内容如下：
"http-nio-8080-exec-10" #49 daemon prio=5 os_prio=31 cpu=1629.70ms elapsed=143.79s tid=0x00007f8147b34000 nid=0x15203 runnable [0x0000700008916000]
java.lang.Thread.State: RUNNABLE
at java.net.SocketInputStream.socketRead0(java.base@11.0.10/Native Method)
at java.net.SocketInputStream.socketRead(java.base@11.0.10/SocketInputStream.java:115)
at java.net.SocketInputStream.read(java.base@11.0.10/SocketInputStream.java:168)
at java.net.SocketInputStream.read(java.base@11.0.10/SocketInputStream.java:140)
at sun.security.ssl.SSLSocketInputRecord.read(java.base@11.0.10/SSLSocketInputRecord.java:478)
at sun.security.ssl.SSLSocketInputRecord.readHeader(java.base@11.0.10/SSLSocketInputRecord.java:472)
at sun.security.ssl.SSLSocketInputRecord.bytesInCompletePacket(java.base@11.0.10/SSLSocketInputRecord.java:70)
at sun.security.ssl.SSLSocketImpl.readApplicationRecord(java.base@11.0.10/SSLSocketImpl.java:1354)
at sun.security.ssl.SSLSocketImpl$AppInputStream.read(java.base@11.0.10/SSLSocketImpl.java:963)
at java.io.FilterInputStream.read(java.base@11.0.10/FilterInputStream.java:133)
at com.mysql.cj.protocol.FullReadInputStream.readFully(FullReadInputStream.java:64)
at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:63)
at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:45)
at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:52)
at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:41)
at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:54)
at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:44)
at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:540)
at com.mysql.cj.protocol.a.NativeProtocol.checkErrorMessage(NativeProtocol.java:710)
at com.mysql.cj.protocol.a.NativeProtocol.sendCommand(NativeProtocol.java:649)
at com.mysql.cj.protocol.a.NativeProtocol.sendQueryPacket(NativeProtocol.java:951)
at com.mysql.cj.protocol.a.NativeProtocol.sendQueryString(NativeProtocol.java:897)
at com.mysql.cj.NativeSession.execSQL(NativeSession.java:1073)
at com.mysql.cj.jdbc.ConnectionImpl.setAutoCommit(ConnectionImpl.java:2051)
- locked <0x0000000700da8128> (a com.mysql.cj.jdbc.ConnectionImpl)
at com.zaxxer.hikari.pool.ProxyConnection.setAutoCommit(ProxyConnection.java:414)
at com.zaxxer.hikari.pool.HikariProxyConnection.setAutoCommit(HikariProxyConnection.java)
at org.hibernate.resource.jdbc.internal.AbstractLogicalConnectionImplementor.begin(AbstractLogicalConnectionImplementor.java:72)
at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.begin(LogicalConnectionManagedImpl.java:285)
at org.hibernate.resource.transaction.backend.jdbc.internal.JdbcResourceLocalTransactionCoordinatorImpl$TransactionDriverControlImpl.begin(JdbcResourceLocalTransactionCoordinatorImpl.java:246)
at org.hibernate.engine.transaction.internal.TransactionImpl.begin(TransactionImpl.java:83)
at org.springframework.orm.jpa.vendor.HibernateJpaDialect.beginTransaction(HibernateJpaDialect.java:164)
at org.springframework.orm.jpa.JpaTransactionManager.doBegin(JpaTransactionManager.java:421)
at org.springframework.transaction.support.AbstractPlatformTransactionManager.startTransaction(AbstractPlatformTransactionManager.java:400)
at org.springframework.transaction.support.AbstractPlatformTransactionManager.getTransaction(AbstractPlatformTransactionManager.java:373)
at org.springframework.transaction.interceptor.TransactionAspectSupport.createTransactionIfNecessary(TransactionAspectSupport.java:595)
at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:382)
at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:119)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186)
at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.proceed(CglibAopProxy.java:750)
at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:692)
at com.jinho.domain.GetBoardListRepository$$EnhancerBySpringCGLIB$$bb0b487.getV2(<generated>)
at com.jinho.web.GetBoardListController.getV2(GetBoardListController.java:32)
at jdk.internal.reflect.GeneratedMethodAccessor163.invoke(Unknown Source)
at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(java.base@11.0.10/DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(java.base@11.0.10/Method.java:566)
at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:197)
at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:141)
at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:106)
at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:894)
at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:808)
at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:87)
at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1063)
at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:963)
at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1006)
at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:898)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:655)
at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:883)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:764)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:228)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:163)
at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:190)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:163)
at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:100)
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:190)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:163)
at org.springframework.web.filter.FormContentFilter.doFilterInternal(FormContentFilter.java:93)
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:190)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:163)
at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:201)
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:190)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:163)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:202)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:97)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:542)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:143)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:78)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:357)
at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:382)
at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65)
at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:893)
at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1723)
at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
- locked <0x000000070a1e4fc0> (a org.apache.tomcat.util.net.NioEndpoint$NioSocketWrapper)
at java.util.concurrent.ThreadPoolExecutor.runWorker(java.base@11.0.10/ThreadPoolExecutor.java:1128)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(java.base@11.0.10/ThreadPoolExecutor.java:628)
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
at java.lang.Thread.run(java.base@11.0.10/Thread.java:829)
Locked ownable synchronizers:
- <0x0000000700dae440> (a java.util.concurrent.locks.ReentrantLock$NonfairSync)
- <0x0000000700db45c8> (a java.util.concurrent.ThreadPoolExecutor$Worker)
所有帖子的内容太长，所以帖子里只发了上面的内容，敬请谅解。如果您愿意，我会发布所有内容。谢谢。