TserverSocket 分析2

本文详细解析了线程池中的线程管理机制,包括线程的创建、激活及回收流程。重点介绍了如何通过ServerType配置来控制线程的行为,并探讨了线程缓存的作用及其在连接结束时如何进行清理。

线程池Threadsize 只有ServerTypestThreadBlocking才有效

TServerClientThread.Create 的时候调用ReActivate

FServerSocket.AddThread(Self);

,在AddThread

    if FActiveThreads.IndexOf(AThread) < 0 then

    begin

      FActiveThreads.Add(AThread);

      if FActiveThreads.Count <= FThreadCacheSize then

        AThread.KeepInCache := True;

end;

把线程加入到了Sever中,修改这个线程是否释放标志。

 

TServerClientThread.EndConnect:

  Result := Terminated or not KeepInCache;

如果线程不中段或不在缓冲中就调用DoTerminate

 

TServerClientThread.DoTerminate

TServerClientThread.DoTerminate

又从server中删除了线程

org.apache.thrift.transport.TTransportException: Could not create ServerSocket on address 0.0.0.0/0.0.0.0:9083. at org.apache.thrift.transport.TServerSocket.<init>(TServerSocket.java:109) at org.apache.thrift.transport.TServerSocket.<init>(TServerSocket.java:91) at org.apache.thrift.transport.TServerSocket.<init>(TServerSocket.java:87) at org.apache.hadoop.hive.metastore.utils.SecurityUtils.getServerSocket(SecurityUtils.java:253) at org.apache.hadoop.hive.metastore.HiveMetaStore.startMetaStore(HiveMetaStore.java:8979) at org.apache.hadoop.hive.metastore.HiveMetaStore.main(HiveMetaStore.java:8854) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.apache.hadoop.util.RunJar.run(RunJar.java:323) at org.apache.hadoop.util.RunJar.main(RunJar.java:236) Caused by: java.net.BindException: Address already in use (Bind failed) at java.net.PlainSocketImpl.socketBind(Native Method) at java.net.AbstractPlainSocketImpl.bind(AbstractPlainSocketImpl.java:513) at java.net.ServerSocket.bind(ServerSocket.java:375) at org.apache.thrift.transport.TServerSocket.<init>(TServerSocket.java:106) ... 11 more Exception in thread "main" org.apache.thrift.transport.TTransportException: Could not create ServerSocket on address 0.0.0.0/0.0.0.0:9083. at org.apache.thrift.transport.TServerSocket.<init>(TServerSocket.java:109) at org.apache.thrift.transport.TServerSocket.<init>(TServerSocket.java:91) at org.apache.thrift.transport.TServerSocket.<init>(TServerSocket.java:87) at org.apache.hadoop.hive.metastore.utils.SecurityUtils.getServerSocket(SecurityUtils.java:253) at org.apache.hadoop.hi
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