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From "Vivek Nadkarni (JIRA)" <j...@apache.org>
Subject [jira] [Created] (AVRO-1088) Avro-C - Add performance tests for schema resolution and arrays.
Date Mon, 14 May 2012 08:13:49 GMT
Vivek Nadkarni created AVRO-1088:
------------------------------------

             Summary: Avro-C - Add performance tests for schema resolution and arrays.
                 Key: AVRO-1088
                 URL: https://issues.apache.org/jira/browse/AVRO-1088
             Project: Avro
          Issue Type: Improvement
          Components: c
    Affects Versions: 1.7.0
         Environment: Ubuntu Linux 11.10
            Reporter: Vivek Nadkarni
             Fix For: 1.7.0


The current performance test in Avro-C measures the performance while
reading and writing of Avro values using a complex record schema,
which does not contain any arrays.

We add tests to measure the performance for simple and nested
arrays. We also replicate all tests to measure the performance of the
schema resolution using a resolved reader and a resolved writer.

Specifically we add the following performance tests:

Nested Record
1. Replicating the test "nested record value by index", using a helper
   function. Using helper functions adds a little overhead, but it
   allows us to test various schemas, as well as different modes of
   schema resolution much more easily.
2. Using a resolved writer to resolve between (identical) reader and
   writer schemas, while reading a complex record.
3. Using a resolved reader to resolve between (identical) reader and
   writer schemas, while writing a complex record.

Simple Array
4. Test the performance for reading and writing a simple array.
5. Using a resolved writer to resolve between (identical) reader and
   writer schemas, while reading a simple array.
6. Using a resolved reader to resolve between (identical) reader and
   writer schemas, while writing a simple array.

Nested Array
7. Test the performance for reading and writing a nested array.
8. Using a resolved writer to resolve between (identical) reader and
   writer schemas, while reading a nested array.
9. Using a resolved reader to resolve between (identical) reader and
   writer schemas, while writing a nested array.

Additionally we fix a minor bug:
1. The return value of avro_value_equal_fast() was not being
   tested. Test this return value, and fail if it is FALSE.



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