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92 lines
3.4 KiB
92 lines
3.4 KiB
/* |
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* Licensed to the Apache Software Foundation (ASF) under one or more |
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* contributor license agreements. See the NOTICE file distributed with |
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* this work for additional information regarding copyright ownership. |
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* The ASF licenses this file to You under the Apache License, Version 2.0 |
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* (the "License"); you may not use this file except in compliance with |
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* the License. You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0 |
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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package org.apache.dolphinscheduler.dao.utils; |
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import static org.apache.dolphinscheduler.dao.MonitorDBDao.VARIABLE_NAME; |
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import java.sql.Connection; |
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import java.sql.ResultSet; |
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import java.sql.SQLException; |
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import java.sql.Statement; |
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import java.util.Date; |
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import org.apache.dolphinscheduler.common.enums.DbType; |
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import org.apache.dolphinscheduler.common.enums.Flag; |
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import org.apache.dolphinscheduler.dao.entity.MonitorRecord; |
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import org.slf4j.Logger; |
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import org.slf4j.LoggerFactory; |
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/** |
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* mysql performance |
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*/ |
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public class MysqlPerformance extends BaseDBPerformance{ |
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private static Logger logger = LoggerFactory.getLogger(MysqlPerformance.class); |
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/** |
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* get monitor record |
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* @param conn connection |
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* @return MonitorRecord |
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*/ |
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@Override |
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public MonitorRecord getMonitorRecord(Connection conn) { |
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MonitorRecord monitorRecord = new MonitorRecord(); |
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monitorRecord.setDate(new Date()); |
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monitorRecord.setDbType(DbType.MYSQL); |
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monitorRecord.setState(Flag.YES); |
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Statement pstmt= null; |
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try{ |
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pstmt = conn.createStatement(); |
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try (ResultSet rs1 = pstmt.executeQuery("show global variables")) { |
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while(rs1.next()){ |
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if("MAX_CONNECTIONS".equalsIgnoreCase(rs1.getString(VARIABLE_NAME))){ |
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monitorRecord.setMaxConnections( Long.parseLong(rs1.getString("value"))); |
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} |
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} |
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} |
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try (ResultSet rs2 = pstmt.executeQuery("show global status")) { |
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while(rs2.next()){ |
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if("MAX_USED_CONNECTIONS".equalsIgnoreCase(rs2.getString(VARIABLE_NAME))){ |
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monitorRecord.setMaxUsedConnections(Long.parseLong(rs2.getString("value"))); |
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}else if("THREADS_CONNECTED".equalsIgnoreCase(rs2.getString(VARIABLE_NAME))){ |
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monitorRecord.setThreadsConnections(Long.parseLong(rs2.getString("value"))); |
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}else if("THREADS_RUNNING".equalsIgnoreCase(rs2.getString(VARIABLE_NAME))){ |
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monitorRecord.setThreadsRunningConnections(Long.parseLong(rs2.getString("value"))); |
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} |
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} |
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} |
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}catch (Exception e) { |
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monitorRecord.setState(Flag.NO); |
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logger.error("SQLException ", e); |
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}finally { |
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try { |
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if (pstmt != null) { |
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pstmt.close(); |
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} |
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}catch (SQLException e) { |
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logger.error("SQLException ", e); |
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} |
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} |
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return monitorRecord; |
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} |
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}
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