llama90 commented on code in PR #41378:
URL: https://github.com/apache/arrow/pull/41378#discussion_r1579723813


##########
.github/workflows/python.yml:
##########
@@ -171,6 +171,23 @@ jobs:
         with:
           fetch-depth: 0
           submodules: recursive
+      - name: Install ccache

Review Comment:
   hello @kou
   
   Since I was interested in this issue, I added the following code based on 
other code.
   
   In Ubuntu, I understood that the cache was applied by recycling the image.
   
   However, despite using the cache, the overall CI speed does not seem to have 
improved much. And in case of macos 12, you can see that the cache hit rate 
result of ccache is 0.
   
   Does this fit the intention?
   
   #### AMD64 macOS 12 Python 3
   
   
https://github.com/apache/arrow/actions/runs/8831660979/job/24247320689?pr=41378#step:11:42
   
   #### ARM64 macOS 14 Python 3
   
   
https://github.com/apache/arrow/actions/runs/8831660979/job/24247321146?pr=41378#step:11:42



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