tustvold commented on code in PR #9648:
URL: https://github.com/apache/arrow-datafusion/pull/9648#discussion_r1531122052


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datafusion/core/src/datasource/file_format/write/mod.rs:
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@@ -69,79 +66,6 @@ impl Write for SharedBuffer {
     }
 }
 
-/// Stores data needed during abortion of MultiPart writers

Review Comment:
   Local file system automatically cleans up on drop, or at least makes a best 
effort to do so. FWIW this same mechanism is used for ALL uploads, even the 
non-multipart ones so as to provide atomicity. Given nobody has complained 
about this, I suspect it is doing a fairly good job
   
   I am not aware of a cloud provider that provides multipart uploads without 
some automated way to reap aborted uploads after a given time



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