[GitHub] [incubator-kvrocks] xiaobiaozhao opened a new pull request, #1215: perf: turn on aync_io

[GitBox]

xiaobiaozhao opened a new pull request, #1215:
URL: https://github.com/apache/incubator-kvrocks/pull/1215

   Here are some comparisons between `async_io` and `normal`
   
   ## big value 500B
   
   <img width="955" alt="image" 
src="https://user-images.githubusercontent.com/52393536/210245022-a8b1bdbf-090b-4374-8bc2-f03871e4b887.png";>
   
   ## small value 50B
   
   <img width="952" alt="image" 
src="https://user-images.githubusercontent.com/52393536/210245253-badbc0e1-b953-41dc-b908-9fee138519a1.png";>
   
   ## monitor diff
   The green line is kvrocks compiled by async io，this pr.
   `ts*` command using seek function to scan data from db.
   
![image](https://user-images.githubusercontent.com/52393536/210245322-d56ebc1e-e4fd-431b-b887-6a0de7a47f05.png)
   
   ## summarize
   
   |        | cpu  | mem  | latency  | qps  |     |
   | ------ | ---- | ---- | -------- | ---- | --- |
   | async  | 110% | 100% | 100%     | 120% |     |
   | normal | 100% | 100% | 130-400% | 100% |     |
   
   `async_io` is better in seek read, higher qps, lower latency, and slightly 
higher cpu usage. Perfect for introducing projects


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