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https://issues.apache.org/jira/browse/JAMES-3008?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Benoit Tellier closed JAMES-3008.
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Resolution: Abandoned
> BlobId list in Cassandra - pre-write check
> ------------------------------------------
>
> Key: JAMES-3008
> URL: https://issues.apache.org/jira/browse/JAMES-3008
> Project: James Server
> Issue Type: New Feature
> Reporter: Trần Tiến Đức
> Priority: Major
>
> Started from
> https://github.com/apache/james-project/blob/master/src/adr/0015-objectstorage-blobid-list.md
> Introduced a `BlobIdExistantTester` API within blob-api:
> {code:java}
> interface BlobIdExistantTester {
> Mono<Void> add(BlobId blobId);
> Mono<Boolean> testExistance(BlobId blobId);
> }
> {code}
>
> Create a `FakeBlobIdExistantTester` that always returs false.
> Create a `CassandraBlobIdExistantTester` and the related tests.
> Ensure `ObjectStorageBlobDAO`:
> - Don't persist small blobs that already exist
> - Don't attempt to rename (copy) big blobs that already exist - deleting the
> intermediary blob supplied is enough - and faster.
> when cassandra is down, just store it as normal
> Propose a proof of concept regarding these changes.
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