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**Describe the bug**
**Environment**
- OS Version and CPU Arch(`uname -a`):
Linux oceanbase-observer-01 4.15.0-213-generic #224-Ubuntu SMP Mon Jun 19 13:30:12 UTC 2023 x86_64 x86_64 x86_64 …
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**Environment**
- OS Version and CPU Arch(`uname -a`): Darwin 22.5.0 Darwin Kernel Version 22.5.0: Thu Jun 8 22:22:22 PDT 2023; root:xnu-8796.121.3~7/RELEASE_X86_64 x86_64
- Docker Desktop Ve…
quaff updated
3 weeks ago
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IMAGE SYNC
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### ODC version
ODC430
### OB version
independent
### What happened?
The database change progress bar may go directly from 0 to 100%
![image](https://github.com/oceanbase/odc/assets/59468957/013…
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https://ilongda.com/2021/debug_ob/
Longda's Interesting World
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### Description
参考sqoop 中,oracle 切分数据,采用rowid 切分数据,能够保证数据切分比较均匀。不需要用户去选择切分字段,ob 是否支持类似特性
https://github.com/apache/sqoop/blob/f8beae32a067d72bf9ed6e903b041ad347ca5491/src/java/org/apache/sqoop/man…
melin updated
1 month ago
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**Question**
建数据库指定字符集为`utf8mb4_0900_ai_ci`时报错
```sql
create database test_charset default charset utf8mb4 collate utf8mb4_0900_ai_ci;
```
报错:1273 - Unknown collation: 'utf8mb4_0900_ai_ci'
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hxj0x updated
3 weeks ago
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We would like to thank everyone in this community for your constant support of OceanBase. We're confident that, with our effort and your support, this community could grow more prosperous and serve a…
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### Description
版本:3.1.4 和4.2.1
租户级别
1.就是针对租户dml操作慢的场景,可以定位到有锁等待(ocp上面的重试信息);
2.能确认出我当前执行事务卡住的会话id,
3.根据我当前锁等待的行找到对应持锁事务的信息,如持锁的会话id;
确定好这两块等锁和拿锁会话id,知道拿锁的会话id执行了什么,等锁的会话id执行了什么;应用根据业务逻辑做出选择去…
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【版本信息】(必填)
observer (OceanBase_CE 4.0.0.0)
REVISION: 1-bd2e50ce135fa62be074a914783d65bbfa1f9529
BUILD_BRANCH: HEAD
BUILD_TIME: Sep 21 2022 05:07:34
BUILD_FLAGS: RelWithDebInfo
BUILD_INFO: jenk…