王善民

The same scene，create view sometimes success，sometimes failed.

2

## Bug Report ### Which version of ShardingSphere did you use? ``` ShardingSphere-5.1.3-SNAPSHOT Commit ID: 9dd0d3990c849d50c17c6dc7c92ec2d4ce0ad7e5 ``` ### Which project did you use? ShardingSphere-JDBC or ShardingSphere-Proxy? ShardingSphere-Proxy ### Expected behavior...

DDL execute failed，BUT output is SUCESS

1

## Bug Report **For English only**, other languages will not accept. Before report a bug, make sure you have: - Searched open and closed [GitHub issues](https://github.com/apache/shardingsphere/issues). - Read documentation: [ShardingSphere...

## Feature Request **For English only**, other languages will not accept. Please pay attention on issues you submitted, because we maybe need more details. If no response anymore and we...

ERROR jTPCCTData : [144044c5e7001000-8][10.16.9.12:10069][tpcc1]ERR-CODE: [PXC-10001][ERR_X_PROTOCOL_CLIENT] XDataSource to [email protected]:44881 ERR-CODE: [PXC-10003][ERR_X_PROTOCOL_CONNECTION] XClientPool to [email protected]:44881 get XConnection timeout. 5000000000ns

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# VERSION ## About PolarDB-X deployed by pxd pxd version: 0.3.0 polardbx/galaxysql latest "Created": "2022-04-28T11:05:22.088619Z" ## About ENV CentOS Linux release 7.9.2009 (Core) Python 3.6.8 Docker version 20.10.14, build a224086...

TPC-C for Mycat2 "java.sql.SQLException: No database selected"

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## BenchmarkSQL props.mycat ``` db=postgres driver=com.mysql.jdbc.Driver conn=jdbc:mysql://127.0.0.1:8066/tpcc_mycat?serverTimezone=UTC&useSSL=false& cachePrepStmts=true&prepStmtCacheSize=8000 user=root password=123456 warehouses=20 loadWorkers=21 terminals=20 //To run specified transactions per terminal- runMins must equal zero runTxnsPerTerminal=0 //To run for specified minutes- runTxnsPerTerminal...

DBLE 性能调研

1

最近在调研 DBLE，想使用 TPC-C 模型来探索下性能如何。 辛苦提供些思路及配置，协助 DBLE 性能调优 以下是调研 DBLE 的配置: # DBLE ## bootstrap.cnf ``` -agentlib:jdwp=transport=dt_socket,server=y,address=8088,suspend=n -server -XX:+AggressiveOpts -Dfile.encoding=UTF-8 -Dcom.sun.management.jmxremote -Dcom.sun.management.jmxremote.port=1984 -Dcom.sun.management.jmxremote.authenticate=false -Dcom.sun.management.jmxremote.ssl=false -Dcom.sun.management.jmxremote.host=127.0.0.1 -Xmx16G -Xms16G -Xss1m -XX:MaxDirectMemorySize=2G -XX:MetaspaceSize=100M -XX:-OmitStackTraceInFastThrow...

平台：Linux 4.19.90-2003.4.0.0036.oe1.aarch64 https://github.com/ApsaraDB/galaxyengine/issues/1 SMP Mon Mar 23 19:06:43 UTC 2020 aarch64 aarch64 aarch64 GNU/Linux gcc: gcc (GCC) 10.2.1 报错信息： /usr/include/c++/10/bits/hashtable.h: In instantiation of ‘class std::_Hashtable’: /usr/include/c++/10/bits/unordered_map.h:105:18: required from ‘class std::unordered_map’...

use `overwrite=true` & yaml, replace logic db in zk

1

## Bug Report ### Which version of ShardingSphere did you use? 91d2d46cf9ea4d139478c2c9c6de8734ade7d4a1 ### Which project did you use? ShardingSphere-JDBC or ShardingSphere-Proxy? ShardingSphere-Proxy ### Expected behavior show real table in logic...

"ERROR 1046 (3D000): No database selected",`preview sql` can't act as nomale sql ，even though i appoint database in sql

3

## Bug Report ### Which version of ShardingSphere did you use? f44e5d3c09a38139dbb2e1b0548816aa572ccc3c ### Which project did you use? ShardingSphere-JDBC or ShardingSphere-Proxy? ShardingSphere-Proxy ### Expected behavior preview select have same action...

【建表语句同步正常，但是 DML 未同步】MySQL 同实例(IP Port 相同)不同 database 基于 Canal 同步(MySQL source ——> canal.deployer ——> canal.adapter ——> MySQL target)

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- [√ ] I have searched the [issues](https://github.com/alibaba/canal/issues) of this repository and believe that this is not a duplicate. https://github.com/alibaba/canal/issues/4764 - [ √] I have checked the [FAQ](https://github.com/alibaba/canal/wiki/FAQ) of this...