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From "Raymie Stata (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (AVRO-1006) Fingerprints for Avro Schemas
Date Wed, 08 Feb 2012 15:26:00 GMT

    [ https://issues.apache.org/jira/browse/AVRO-1006?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13203664#comment-13203664
] 

Raymie Stata commented on AVRO-1006:
------------------------------------

Having slept on it, I don't think that the Schema class is a good place for this code. Rather,
I'll create a o.a.avro.util.SchemaFP class, which will contain a static method to canonicalize
schemas (ie, the code in the current patch), and will also contain static methods for generating
fingerprints of various lengths (64-bit CRC fingerprints, 128-bit MD5 fingerprints, etc).
I'll try to post something over the next few days. But in the meantime, please continue commenting
as if that's the plan of record.
                
> 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: AVRO-1006-prelim.patch, 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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