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[feat](clone) Speed clone tablet via batch small file downloading #45061 #45218

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@w41ter w41ter commented Dec 10, 2024

cherry pick from #45061

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[feat](clone) Speed clone tablet via batch small file downloading (ap…
e38bc76 
…ache#45061)

Downloading small files is too slow and might cause the clone tablet
task to time out. This PR supports a batch downloading API to speed up
the downloading of small files.

Before

```
succeed to copy tablet 10088, total file size: 19256126 B, cost: 78674 ms, rate: 0.244758 MB/s
```

After

```
succeed to copy tablet 30157, total files: 20006, total file size: 19311624 B, cost: 4016 ms, rate: 4.80867 MB/s
```
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w41ter commented Dec 10, 2024

run buildall

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Please clearly describe your PR:

  1. What problem was fixed (it's best to include specific error reporting information). How it was fixed.
  2. Which behaviors were modified. What was the previous behavior, what is it now, why was it modified, and what possible impacts might there be.
  3. What features were added. Why was this function added?
  4. Which code was refactored and why was this part of the code refactored?
  5. Which functions were optimized and what is the difference before and after the optimization?

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w41ter commented Dec 10, 2024

run buildall

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github-actions bot reviewed Dec 10, 2024
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clang-tidy made some suggestions

be/src/http/http_channel.cpp
@@ -20,8 +20,8 @@
#include <event2/buffer.h>
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warning: 'event2/buffer.h' file not found [clang-diagnostic-error]

#include <event2/buffer.h>
         ^

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run buildall

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@w41ter @doris-robot @dataroaring