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Posted to dev@avro.apache.org by "Uri Laserson (JIRA)" <ji...@apache.org> on 2013/04/20 02:27:16 UTC

[jira] [Created] (AVRO-1304) Python Avro match_schemas called redundantly

Uri Laserson created AVRO-1304:
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             Summary: 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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