xhailiang

Results 3 issues of xhailiang

- 版本: dble-3.21.10.3-20220331093302-java1.8.0_151-linux - 参数 -DuseSqlStat=1 - 现象 DBLE空跑时,某个线程单CPU占用100% ![image](https://user-images.githubusercontent.com/100408629/167074590-ec068d2f-1742-4c4b-9ce6-ab83ceeff4f9.png) - 对应线程jstack ``` "complexQueryExecutor12" #125 daemon prio=5 os_prio=0 tid=0x00007f6208003000 nid=0x50b4 runnable [0x00007f62203e0000] java.lang.Thread.State: RUNNABLE at com.actiontech.dble.statistic.stat.UserSqlHighStat.addSql(UserSqlHighStat.java:36) at com.actiontech.dble.statistic.stat.UserStat.update(UserStat.java:175) at com.actiontech.dble.statistic.stat.UserStatAnalyzer.onQueryResult(UserStatAnalyzer.java:54)...

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DBLE使用ZK部署集群时,期望能添加对ZK安全认证的支持配置项

Improvement
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1. 问题描述: 使用mysql-connector-java-8.0.27版本,jdbc url 设置useCursorFetch=true 时,某些SQL在prepare 阶段报错。 2. 版本信息: - DBLE : 8.0.27-dble-3.21.10.1-0b245c11a60737aa0d7504de635bb6e89378445d-20220127041458 - JDBC Connector : mysql-connector-java-8.0.27 3. 日志信息: - general.log ``` 2022-09-23T16:54:19.022 8116 Connect dble-user@hostname on test_sharding_db using...

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