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[TD-2541]<fix>: optimized the connection pool demo codes

This commit is contained in:
zyyang 2021-01-27 11:52:03 +08:00
parent 9a64b8a429
commit 1ceacaafa8
3 changed files with 10 additions and 13 deletions
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6
tests/examples/JDBC/connectionPools/src/main/java/com/taosdata/demo/ConnectionPoolDemo.java
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@ -1,6 +1,5 @@
package com.taosdata.demo;
import com.taosdata.demo.common.InsertTask;
import com.taosdata.demo.pool.C3p0Builder;
import com.taosdata.demo.pool.DbcpBuilder;
import com.taosdata.demo.pool.DruidPoolBuilder;
@ -11,9 +10,6 @@ import javax.sql.DataSource;
import java.sql.Connection;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.TimeUnit;
public class ConnectionPoolDemo {
@ -96,13 +92,13 @@ public class ConnectionPoolDemo {
e.printStackTrace();
}
// ExecutorService executor = Executors.newFixedThreadPool(threadCount);
// while (true) {
// executor.execute(new InsertTask(dataSource, dbName, tableSize, batchSize));
// if (sleep > 0)
// TimeUnit.MILLISECONDS.sleep(sleep);
// }
}
private static void init(DataSource dataSource) {

16
tests/examples/JDBC/connectionPools/src/main/java/com/taosdata/demo/pool/DruidPoolBuilder.java
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@ -1,29 +1,29 @@
package com.taosdata.demo.pool;
import com.alibaba.druid.pool.DruidDataSource;
import com.alibaba.druid.pool.DruidDataSourceFactory;
import javax.sql.DataSource;
import java.util.Properties;
public class DruidPoolBuilder {
public static DataSource getDataSource(String host, int poolSize) {
public static DataSource getDataSource(String host, int poolSize) throws Exception {
final String url = "jdbc:TAOS://" + host + ":6030";
DruidDataSource dataSource = new DruidDataSource();
// jdbc properties
dataSource.setUrl(url);
dataSource.setDriverClassName("com.taosdata.jdbc.TSDBDriver");
dataSource.setUrl(url);
dataSource.setUsername("root");
dataSource.setPassword("taosdata");
// pool configurations
dataSource.setInitialSize(poolSize);//初始连接数，默认0
dataSource.setMinIdle(poolSize);//最小闲置数
dataSource.setMaxActive(poolSize);//最大连接数，默认8
dataSource.setMaxWait(30000);//获取连接的最大等待时间，单位毫秒
dataSource.setInitialSize(10);
dataSource.setMinIdle(10);
dataSource.setMaxActive(10);
dataSource.setMaxWait(30000);
dataSource.setValidationQuery("select server_status()");
return dataSource;
}
}

1
tests/examples/JDBC/connectionPools/src/main/java/com/taosdata/demo/pool/HikariCpBuilder.java
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@ -18,6 +18,7 @@ public class HikariCpBuilder {
config.setMinimumIdle(3); //minimum number of idle connection
config.setMaximumPoolSize(10); //maximum number of connection in the pool
config.setConnectionTimeout(30000); //maximum wait milliseconds for get connection from pool
config.setMaxLifetime(0); // maximum life time for each connection
config.setIdleTimeout(0); // max idle time for recycle idle connection
config.setConnectionTestQuery("select server_status()"); //validation query