tustvold opened a new pull request, #4918:
URL: https://github.com/apache/arrow-rs/pull/4918
# Which issue does this PR close?
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Closes #4880
# Rationale for this change
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This crate aims to provide a uniform interface across a variety of different
storage backends, facilitating the development of cloud-agnostic applications.
Unfortunately the lack of support for conditional operations in S3 limits the
scope of applications that this holds for, especially given how prevalent S3
is. _It should be noted I am not aware of an S3-compatible store that doesn't
natively support conditional operations_
This PR therefore adds a simple DynamoDB-based synchronisation mechanism,
which avoids the lowest-denominator problem we currently have. Whilst perhaps
not optimal for all use-cases, having an out-of-the-box mechanism to support
this I think will open up some exciting new possibilities for applications
built on top of object_store.
# What changes are included in this PR?
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# Are there any user-facing changes?
No
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