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## mysql面试题
### 为什么分库分表
分表是因为单表数据太多,会影响性能,一般到几百万的数据就要分表
分为垂直拆分和水平拆分
垂直拆分是拆表结构,把较少访问频率很高的字段放到一个表,较多的访问频率低的字段放到另一个表
水平拆分是拆数据,比如表里有千万数据,那就每100万或200万一个数据表拆分
分库是主要防止并发,一般经验而言并发2000就要分库了,健康的单库并发值是10…
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First time playing the game and ran into this game breaking bug where after putting in the third fuse, the cutscene doesn't play and the portable buildings duplicate with the one on top being blackene…
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Greetings.. I'm having a hard time figuring out the right set of parameters to get other-transcode and ffmpeg to play nice on transcoding a video. Here's the stats for the video via MakeMKV rip and Me…
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I have one instance of `glot-run` running. I did a benchmarking using 'Apache ab' with the following parameters:
* Number of Request - 200
* Concurrency - 10
* Print "Hello World!" program in pyt…
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## Information
**VIM version**
NVIM v0.5.0
Build type: Release
Operating System: macOS 11.4
## What went wrong
~~For some reason, I can't seem to get ALE to auto-complete anything in E…
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**Where does this outlaw call home?**
Singapore
**This outlaw needs to discard their old boring name, what would be a great cowboy name for them?**
Sayaguesa Sam (it's a breed of cow I found …
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Hej,
i'm currently working a lot with ffmpeg at Work writing basically a Desktop Stream Software something like Teamviewer without control.
It's really amazing what you can do with ffmpeg (30-60fp…
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I am currently getting this alert error in the browser when I click the input checkbox:
"An error occured. Please contact the System Administrator"
```
20:12:06.347 [error] Drab Handler failed …
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Hi,
I'm using the latest Phoenix v1.4.6
The command mix phx.new.web auction_web --no-ecto. does not work.
When i run the mix.server command, after running above, this is what i get ---
$ m…
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We have an older version of rebar3 (3.13.3) . We can't upgrade easily to a newer version, and we need to release old versions of our products, so the only option on those repositories is to use this s…