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https://issues.apache.org/jira/browse/AVRO-1304?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13637068#comment-13637068
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Uri Laserson commented on AVRO-1304:
------------------------------------
Working on it. Trying to keep it backwards compatible us trickier than I
expected.
> Python Avro match_schemas called redundantly
> --------------------------------------------
>
> Key: AVRO-1304
> URL: https://issues.apache.org/jira/browse/AVRO-1304
> Project: Avro
> Issue Type: Bug
> Components: python
> Affects Versions: 1.7.4
> Reporter: Uri Laserson
>
> DatumReader.match_schemas(writers_schema, readers_schema) is called on every
> single read from the DatumReader. However, for almost every read, the
> schemas used are the object members self.writers_schema and
> self.readers_schema. match_schemas should be checked only once in this case,
> and only when the object members are modified. This takes up 20% of my parse
> time upon profiling.
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