JMeter 是一个开源的负载测试工具,主要用于对各种服务进行性能测试,包括 Web 应用、数据库等。MySQL 是一种流行的关系型数据库管理系统。JMeter 压测 MySQL 主要是指使用 JMeter 对 MySQL 数据库进行压力测试,以评估数据库在高并发情况下的性能表现。
JMeter 压测 MySQL 主要可以分为以下几种类型:
原因:可能是 JDBC 驱动未正确配置或数据库连接信息错误。
解决方法:
// 示例 JDBC 连接配置
jdbc:mysql://localhost:3306/testdb?useSSL=false&serverTimezone=UTC
原因:可能是测试计划设计不合理或测试参数设置不当。
解决方法:
原因:可能是测试数据量过大或系统资源不足。
解决方法:
以下是一个简单的 JMeter 测试计划示例,用于压测 MySQL 数据库:
<jmeterTestPlan version="1.2" properties="5.0" jmeter="5.4.1">
<hashTree>
<TestPlan enabled="true">
<stringProp name="TestPlan.comments"></stringProp>
<boolProp name="TestPlan.functional_mode">false</boolProp>
<boolProp name="TestPlan.tearDown_on_shutdown">true</boolProp>
<boolProp name="TestPlan.serialize_threadgroups">false</boolProp>
<elementProp name="TestPlan.user_defined_variables" elementType="Arguments" guiclass="ArgumentsPanel" testclass="Arguments" testname="User Defined Variables" enabled="true">
<collectionProp name="Arguments.arguments"/>
</elementProp>
<stringProp name="TestPlan.user_define_classpath"></stringProp>
</TestPlan>
<hashTree>
<ThreadGroup enabled="true">
<stringProp name="ThreadGroup.on_sample_error">continue</stringProp>
<elementProp name="ThreadGroup.main_controller" elementType="LoopController" guiclass="LoopControlPanel" testclass="LoopController" testname="Loop Controller" enabled="true">
<boolProp name="LoopController.continue_forever">false</boolProp>
<stringProp name="LoopController.loops">1</stringProp>
</elementProp>
<stringProp name="ThreadGroup.num_threads">10</stringProp>
<stringProp name="ThreadGroup.ramp_time">1</stringProp>
<boolProp name="ThreadGroup.same_user_on_next_iteration">true</boolProp>
<boolProp name="ThreadGroup.generate_summary">true</boolProp>
<boolProp name="ThreadGroup.summary_only">false</boolProp>
<stringProp name="ThreadGroup.start_time"></stringProp>
<stringProp name="ThreadGroup.end_time"></stringProp>
<stringProp name="ThreadGroup.duration"></stringProp>
<stringProp name="ThreadGroup.delay"></stringProp>
<boolProp name="ThreadGroup.same_user_on_next_iteration">true</boolProp>
<boolProp name="ThreadGroup.serialize_threadgroups">false</boolProp>
<elementProp name="ThreadGroup.sub_thread_groups" elementType="Arguments" guiclass="ArgumentsPanel" testclass="Arguments" testname="Sub-Thread Groups" enabled="true">
<collectionProp name="Arguments.arguments"/>
</elementProp>
<elementProp name="ThreadGroup.user_defined_variables" elementType="Arguments" guiclass="ArgumentsPanel" testclass="Arguments" testname="User Defined Variables" enabled="true">
<collectionProp name="Arguments.arguments"/>
</elementProp>
<stringProp name="ThreadGroup.user_define_classpath"></stringProp>
</ThreadGroup>
<hashTree>
<JDBCConnectionConfiguration enabled="true">
<stringProp name="dataSource">jdbc_connection</stringProp>
<stringProp name="poolMax">5</stringProp>
<stringProp name="timeout">10000</stringProp>
<stringProp name="trimInterval">60000</stringProp>
<stringProp name="autocommit">true</stringProp>
<stringProp name="transactionIsolation">DEFAULT</stringProp>
<stringProp name="username">testuser</stringProp>
<stringProp name="password">testpass</stringProp>
<stringProp name="url">jdbc:mysql://localhost:3306/testdb?useSSL=false&serverTimezone=UTC</stringProp>
<stringProp name="driverClass">com.mysql.cj.jdbc.Driver</stringProp>
<boolProp name="keepAlive">true</boolProp>
<boolProp name="useLocalSessionState">true</boolProp>
<boolProp name="cachePrepStmts">true</boolProp>
<boolProp name="prepStmtCacheSize">250</boolProp>
<boolProp name="prepStmtCacheSqlLimit">2048</boolProp>
<boolProp name="useServerPrepStmts">true</boolProp>
</JDBCConnectionConfiguration>
<hashTree/>
<JDBCRequest enabled="true">
<stringProp name="cacheKey">jdbc_request</stringProp>
<stringProp name="connectionName">jdbc_connection</stringProp>
<stringProp name="query">${query}</stringProp>
<stringProp name="queryArguments"></stringProp>
<stringProp name="queryTimeout">0</stringProp>
<stringProp name="resultVariableName">result</stringProp>
<boolProp name="resetConnection">false</boolProp>
</JDBCRequest>
<hashTree/>
</hashTree>
</hashTree>
</hashTree>
</jmeterTestPlan>
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