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https://issues.apache.org/jira/browse/AVRO-1006?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13194420#comment-13194420
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Raymie Stata commented on AVRO-1006:
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I fixed the math bug in the writeup (I misapplied the "birthday probability"
where I should've applied a much more favorable probability). The bottom line
is 64 bits seem adequate for most use-cases. For use-cases that want longer
fingerprints, the spec now explicitly recommends using MD5 or the SHA-family to
the canonical text of a schema.
I'm happy to continue discussing the overall proposal, but my next step here is
to file patches for the "surrounding issues" (e.g., the spec fixes).
> Fingerprints for Avro Schemas
> -----------------------------
>
> Key: AVRO-1006
> URL: https://issues.apache.org/jira/browse/AVRO-1006
> Project: Avro
> Issue Type: New Feature
> Components: java
> Reporter: Raymie Stata
> Assignee: Raymie Stata
> Labels: features
> Attachments: schema-fingerprinting.html, schema-fingerprinting.html,
> schema-fingerprinting.html
>
>
> Add function that returns a standardized, 64-bit fingerprint for schemas.
> Fingerprints are designed such that the chances of collisions is very, very
> low.
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