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https://issues.apache.org/jira/browse/AVRO-1332?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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David McIntosh updated AVRO-1332:
---------------------------------
Attachment: AVRO-1332-4.patch
This latest version of the patch adjusts the unit tests to cover both the new &
old version of the readers and writers. The old versions have been restored to
their original state.
Serializing
|type|old specific|new specific|old generic|new generic|
|simple|2012|1623|2465|2028|
|complex|14945|14867|13993|15428|
|narrow|1061|795|1233|1014|
|wide|17441|9704|13479|11217|
Deserializing
|type|old specific|new specific|old generic|new generic|
|simple|4352|936|5850|1747|
|complex|29094|14321|26911|14851|
|narrow|2278|546|2855|811|
|wide|25553|5475|31683|10499|
> Improve C# DatumReader performance
> ----------------------------------
>
> Key: AVRO-1332
> URL: https://issues.apache.org/jira/browse/AVRO-1332
> Project: Avro
> Issue Type: Improvement
> Components: csharp
> Affects Versions: 1.7.5
> Reporter: David McIntosh
> Priority: Minor
> Labels: performance
> Attachments: AVRO-1332-2.patch, AVRO-1332-3.patch, AVRO-1332-4.patch,
> AVRO-1332.patch
>
>
> The current implementations of the C# datum readers perform resolution of the
> reader and writer schema on every call to Read. In my tests this was causing
> it to perform poorly when reading a large number of records (slower than
> parsing the same data from delimited text files). It would be more efficient
> if the reader only needed to resolve the schemas once.
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