标签：14 压测 08 并发 Mon CST Nov doris 2021
select * from tj23 where vin='"+rand.nextInt(1000000)+"' order by inday desc limit 10
50并发：
Thread[Thread-28,5,main]===>Mon Nov 08 14:24:50 CST 2021-----Mon Nov 08 14:24:52 CST 2021----2024-07-26
Thread[Thread-28,5,main]===>Mon Nov 08 14:24:50 CST 2021-----Mon Nov 08 14:24:52 CST 2021----2024-07-25
Thread[Thread-28,5,main]===>Mon Nov 08 14:24:50 CST 2021-----Mon Nov 08 14:24:52 CST 2021----2024-07-24
Thread[Thread-14,5,main]===>Mon Nov 08 14:24:51 CST 2021-----Mon Nov 08 14:24:52 CST 2021----2024-08-02
Thread[Thread-14,5,main]===>Mon Nov 08 14:24:51 CST 2021-----Mon Nov 08 14:24:52 CST 2021----2024-08-01
Thread[Thread-14,5,main]===>Mon Nov 08 14:24:51 CST 2021-----Mon Nov 08 14:24:52 CST 2021----2024-07-31
Thread[Thread-14,5,main]===>Mon Nov 08 14:24:51 CST 2021-----Mon Nov 08 14:24:52 CST 2021----2024-07-30
Thread[Thread-14,5,main]===>Mon Nov 08 14:24:51 CST 2021-----Mon Nov 08 14:24:52 CST 2021----2024-07-29
Thread[Thread-14,5,main]===>Mon Nov 08 14:24:51 CST 2021-----Mon Nov 08 14:24:52 CST 2021----2024-07-28
Thread[Thread-14,5,main]===>Mon Nov 08 14:24:51 CST 2021-----Mon Nov 08 14:24:52 CST 2021----2024-07-27
100并发：
Thread[Thread-1,5,main]===>Mon Nov 08 14:26:41 CST 2021-----Mon Nov 08 14:26:42 CST 2021----2024-08-02
Thread[Thread-1,5,main]===>Mon Nov 08 14:26:41 CST 2021-----Mon Nov 08 14:26:42 CST 2021----2024-08-01
Thread[Thread-1,5,main]===>Mon Nov 08 14:26:41 CST 2021-----Mon Nov 08 14:26:42 CST 2021----2024-07-31
Thread[Thread-1,5,main]===>Mon Nov 08 14:26:41 CST 2021-----Mon Nov 08 14:26:42 CST 2021----2024-07-30
Thread[Thread-1,5,main]===>Mon Nov 08 14:26:41 CST 2021-----Mon Nov 08 14:26:42 CST 2021----2024-07-29
Thread[Thread-1,5,main]===>Mon Nov 08 14:26:41 CST 2021-----Mon Nov 08 14:26:42 CST 2021----2024-07-28
Thread[Thread-1,5,main]===>Mon Nov 08 14:26:41 CST 2021-----Mon Nov 08 14:26:42 CST 2021----2024-07-27
Thread[Thread-1,5,main]===>Mon Nov 08 14:26:41 CST 2021-----Mon Nov 08 14:26:42 CST 2021----2024-07-26
Thread[Thread-1,5,main]===>Mon Nov 08 14:26:41 CST 2021-----Mon Nov 08 14:26:42 CST 2021----2024-07-25
Thread[Thread-1,5,main]===>Mon Nov 08 14:26:41 CST 2021-----Mon Nov 08 14:26:42 CST 2021----2024-07-24
Thread[Thread-7,5,main]===>Mon Nov 08 14:26:41 CST 2021-----Mon Nov 08 14:26:43 CST 2021----2024-08-02
Thread[Thread-7,5,main]===>Mon Nov 08 14:26:41 CST 2021-----Mon Nov 08 14:26:43 CST 2021----2024-08-01
Thread[Thread-7,5,main]===>Mon Nov 08 14:26:41 CST 2021-----Mon Nov 08 14:26:43 CST 2021----2024-07-31
Thread[Thread-7,5,main]===>Mon Nov 08 14:26:41 CST 2021-----Mon Nov 08 14:26:43 CST 2021----2024-07-30
Thread[Thread-7,5,main]===>Mon Nov 08 14:26:41 CST 2021-----Mon Nov 08 14:26:43 CST 2021----2024-07-29
Thread[Thread-7,5,main]===>Mon Nov 08 14:26:41 CST 2021-----Mon Nov 08 14:26:43 CST 2021----2024-07-28
Thread[Thread-7,5,main]===>Mon Nov 08 14:26:41 CST 2021-----Mon Nov 08 14:26:43 CST 2021----2024-07-27
Thread[Thread-7,5,main]===>Mon Nov 08 14:26:41 CST 2021-----Mon Nov 08 14:26:43 CST 2021----2024-07-26
100并发会报资源不足的错误：
java.sql.SQLSyntaxErrorException: Reach limit of connections
at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:120)
at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:122)
at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828)
at com.mysql.cj.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:448)
at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241)
at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198)
at java.sql.DriverManager.getConnection(DriverManager.java:664)
at java.sql.DriverManager.getConnection(DriverManager.java:247)
at org.doris.Yace7$Com.<init>(Yace7.java:41)
at org.doris.Yace7.main(Yace7.java:18)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at com.intellij.rt.execution.CommandLineWrapper.main(CommandLineWrapper.java:66)
java.lang.NullPointerException
at org.doris.Yace7$Com.run(Yace7.java:99)
at java.lang.Thread.run(Thread.java:748)
Exception in thread "Thread-96" java.lang.NullPointerException
at org.doris.Yace7$Com.run(Yace7.java:109)
at java.lang.Thread.run(Thread.java:748)
java.sql.SQLSyntaxErrorException: Reach limit of connections
at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:120)
at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:122)
at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828)
at com.mysql.cj.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:448)
at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241)
at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198)
at java.sql.DriverManager.getConnection(DriverManager.java:664)
at java.sql.DriverManager.getConnection(DriverManager.java:247)
at org.doris.Yace7$Com.<init>(Yace7.java:41)
at org.doris.Yace7.main(Yace7.java:18)
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 com.intellij.rt.execution.CommandLineWrapper.main(CommandLineWrapper.java:66)
java.lang.NullPointerException
at org.doris.Yace7$Com.run(Yace7.java:99)
at java.lang.Thread.run(Thread.java:748)
Exception in thread "Thread-97" java.lang.NullPointerException
at org.doris.Yace7$Com.run(Yace7.java:109)
at java.lang.Thread.run(Thread.java:748)
标签：14,压测,08,并发,Mon,CST,Nov,doris,2021 来源： https://www.cnblogs.com/lilei2blog/p/15524133.html
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