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From "Doug Cutting (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (AVRO-1006) Fingerprints for Avro Schemas
Date Thu, 23 Feb 2012 18:54:49 GMT

    [ https://issues.apache.org/jira/browse/AVRO-1006?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13214932#comment-13214932
] 

Doug Cutting commented on AVRO-1006:
------------------------------------

This looks generally good.  A few nits:
 - In class and method names, should we abbreviate 'fp' or spell out 'fingerprint'?  FP means
"floating point" to my eye.
 - Might we instead put this in org.apache.avro.SchemaFingerprint, rather than in util?  Right
now things in the util package depend only on the JDK, not on other parts of Avro.
 - Public methods and classes need javadoc comments.
 - The changes to the spec are not correctly processed by Forrest 0.8 for me.
                
> 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, AVRO-1006.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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