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https://issues.apache.org/jira/browse/AVRO-2999?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17264848#comment-17264848
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ASF subversion and git services commented on AVRO-2999:
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Commit 96312e4705fc6ef1c6d9fde631afe2a2cedc8e9e in avro's branch
refs/heads/dependabot/nuget/lang/csharp/Microsoft.NET.Test.Sdk-16.8.3 from Joel
Turkel
[ https://gitbox.apache.org/repos/asf?p=avro.git;h=96312e4 ]
AVRO-2999: Optimize Ruby union encoding (#1037)
* AVRO-2999: Optimize Ruby union encoding
This optimizes several bottlenecks when encoding unions in the Avro Ruby
library.
Note: Encoding unions is still expensive because the code must
determine which member of the union a datum is targeting. Allowing
clients to explicitly specify this would speed up serialization even
further but that requires a larger API change.
> Optimize Ruby union serialization
> ---------------------------------
>
> Key: AVRO-2999
> URL: https://issues.apache.org/jira/browse/AVRO-2999
> Project: Apache Avro
> Issue Type: Improvement
> Components: ruby
> Affects Versions: 1.10.0
> Reporter: Joel Turkel
> Assignee: Joel Turkel
> Priority: Major
>
> Profiling Avro serialization in our union heavy schema shows some memory and
> throughput bottlenecks:
> * Validation calls repeatedly allocate constant hashes
> * Validation calls repeatedly allocate constant strings
> * Validation calls are expensive and can be avoided when determining of a
> datum matches a null union member type (a common pattern for "optional"
> fields)
> Optimizing these codepaths reduces memory allocations by 78% and improves
> throughput 1.9X in our encoding benchmarks. A Github PR is coming shortly.
> Note: Encoding unions is still expensive because the code must determine
> which member of the union a datum is targeting. Allowing clients to
> explicitly specify this would speed up serialization even further but that
> requires a larger API change.
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