Tran Hong Quan created JAMES-4141:
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Summary: Deduplication blob store: experiment Blake 3 instead of
SHA
Key: JAMES-4141
URL: https://issues.apache.org/jira/browse/JAMES-4141
Project: James Server
Issue Type: Improvement
Components: Blob
Reporter: Tran Hong Quan
h2. Why?
-> That is what Stallwart do.
Blake 3 maintains security guaranties of SHA but can unlock an up to 10x speed
improvement.
There is a window of opportunity here: James spends ~5% of it's CPU hashing
stuff for dedup so reducing its footprint is always a nice bonus. It can also
allow reduce the impact of handling very big blobs.
h2. What?
Have a JVM property choosing if we are using SHA (conservative defaults) or
want to enable Blake 3
Implement Blake3 using
[https://commons.apache.org/proper/commons-codec/apidocs/org/apache/commons/codec/digest/Blake3.html]
(trivial)
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