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Date: Mon, 14 May 2012 08:18:45 +0000 (UTC)
From: "Vivek Nadkarni (JIRA)" <jira@apache.org>
To: dev@avro.apache.org
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Subject: [jira] [Updated] (AVRO-1088) Avro-C - Add performance tests for
 schema resolution and arrays.
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     [ https://issues.apache.org/jira/browse/AVRO-1088?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Vivek Nadkarni updated AVRO-1088:
---------------------------------

    Attachment: AVRO-1088.patch

Uploading patch file implementing the new performance tests. 

                
> 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
>
>         Attachments: AVRO-1088.patch
>
>   Original Estimate: 24h
>  Remaining Estimate: 24h
>
> 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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