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**Describe the bug**
Recent I was trying to update the grpcio version from v0.10.4 to the newest master commit for tikv. And when I did some benchmark using sysbench I found there are performance reg…
glorv updated
6 months ago
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## Bug Report
Please answer these questions before submitting your issue. Thanks!
### 1. Minimal reproduce step (Required)
1. deploy a tidb cluster with 3 tidb + 3 tikv
2. run sysbench olt…
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## 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/shardingsphe…
czywj updated
3 months ago
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### What did you do?
1、run workload
storage:"s3://benchmark/sysbench_64_7000w"
subType:"oltp_read_write"
db:"sysbench_64_7000w"
tableNum:64
tableSize:70000000
threads:3…
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服务器重启之后，客户端就连不上 postgresql 数据库了，但是5432端口是通的，就是所有用户都认证失败。
在服务器尝试利用localhost连接 …
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Come up with a way to allow raw SQL queries (via a read-only user) for analytics workloads. Export to CSV. Ideally this would be via some type of UI, so that folks don't have to download a postgres cl…
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roachtest.cluster_creation [failed](https://teamcity.cockroachdb.com/buildConfiguration/Cockroach_Nightlies_RoachtestNightlyAwsBazel/17126934?buildTab=log) with [artifacts](https://teamcity.cockroachd…
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## 您的愿望将传达给PG kernel hacker、数据库厂商等, 帮助提高数据库产品质量和功能.
说不定下一个PG版本就有您提出的功能点, 开不开森.
针对非常好的提议，奖励限量版PG文化衫、纪念品、贴纸、PG热门书籍等，奖品丰富，快来许愿。
请按如下格式许愿^_^
### 必填
#### 行业: 互联网
#### 功能期望: 列存表
#### 解决什么问题:…
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The NGINX example with 3 downstream services shows wrong tempo service graph. Instead of NGINX being the in between the User and the 3 upstream services, it generates as a sibling instead.
![image]…
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1，数据库引擎
2，索引的原理
3，tomcat优化
4，接口开发流程
笛卡尔积