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docs: fix image link #268

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Mar 7, 2024
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docs: fix image link #268

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4 changes: 2 additions & 2 deletions docs/trace-prefetch.md
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## Prefetch - Overview

Cache has been playing an important role in the whole architecture of ACI's [I/O flow](docs/images/image-flow.jpg "image data flow"). When there is no cache (container cold start), however, the backend storage engine will still need to visit Registry frequently, and temporarily.
Cache has been playing an important role in the whole architecture of ACI's [I/O flow](images/image-flow.jpg "image data flow"). When there is no cache (container cold start), however, the backend storage engine will still need to visit Registry frequently, and temporarily.

Prefetch is a common mechanism to avoid this situation. As it literally suggests, the key is to retrieve data in advance, and save them into cache.

Expand Down Expand Up @@ -68,4 +68,4 @@ Measure the service available time (in seconds) of a Wordpress container. The te
| | **With cache** | **Without cache (cold start)** |
| :----: | :----: | :----: |
| **With trace prefetch** | 4.981s | 15.253s |
| **Without trace prefetch** | 5.259s | 60.511s |
| **Without trace prefetch** | 5.259s | 60.511s |
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