[I] [Bug] While loop to cache build could lead to harmful IO operation [paimon]

["Aitozi (via GitHub)" <gi...@apache.org>]

Aitozi opened a new issue, #3855:
URL: https://github.com/apache/paimon/issues/3855

   ### Search before asking
   
   - [X] I searched in the [issues](https://github.com/apache/paimon/issues) and found nothing similar.
   
   
   ### Paimon version
   
   ```
           while (lookupFile == null || lookupFile.isClosed) {
               lookupFile = createLookupFile(file);
               lookupFiles.put(file.fileName(), lookupFile);
           }
   ```
   
   This is to solve [this](https://github.com/apache/paimon/pull/1644#discussion_r1273399483) But could lead to harmful local and remote IO.
   
   <img width="1660" alt="image" src="https://github.com/user-attachments/assets/8b6f134b-178d-465b-aa92-997c4f1c2ab7">
   
   As above, which means a remote file is download and build index four times.
   
   
   
   ### Compute Engine
   
   .
   
   ### Minimal reproduce step
   
   .
   
   ### What doesn't meet your expectations?
   
   .
   
   ### Anything else?
   
   _No response_
   
   ### Are you willing to submit a PR?
   
   - [X] I'm willing to submit a PR!


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Re: [I] [Bug] While loop to cache build could lead to harmful IO operation [paimon]

["JingsongLi (via GitHub)" <gi...@apache.org>]

JingsongLi closed issue #3855: [Bug] While loop to cache build could lead to harmful IO operation
URL: https://github.com/apache/paimon/issues/3855


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