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Update content src/site/notes/Storage/ceph/ceph rbd介绍.md
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1024daniel committed Oct 19, 2023
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Expand Up @@ -6,7 +6,7 @@ reference articles:
https://www.intel.com/content/www/us/en/developer/articles/technical/performance-tuning-of-ceph-rbd.html
https://www.youtube.com/watch?v=UjpaZ-JH4Yo

![Pasted image 20231019002305.png](/img/user/Pasted%20image%2020231019002305.png)
![Pasted image 20231019002305.png](/img/user/pics/Pasted%20image%2020231019002305.png)
## osds storing data
- ceph osd daemons存储数据作为objects以一个flat namespace(没有层级目录),一个object含有一个identifier,binary data和包含一系列的name/value pair的metadata
- 数据和元数据使用bluestore,memorystore和seastore(在开发完善中)存储
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ObjectDispatchLayer

## Threads Model
![Pasted image 20231019002342.png](/img/user/Pasted%20image%2020231019002342.png)
![Pasted image 20231019002342.png](/img/user/pics/Pasted%20image%2020231019002342.png)

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