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https://issues.apache.org/jira/browse/AVRO-1260?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Doug Cutting resolved AVRO-1260.
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Resolution: Fixed
Fix Version/s: 1.7.5
Assignee: Martin Kleppmann
Looks great! I tested the back compatibility by applying the patch then
reverting the changes to random_data.rb and io.rb. Tests still passed.
I committed this. Thanks, Martin!
> Ruby: Performance improvements for parsing
> ------------------------------------------
>
> Key: AVRO-1260
> URL: https://issues.apache.org/jira/browse/AVRO-1260
> Project: Avro
> Issue Type: Improvement
> Components: ruby
> Affects Versions: 1.7.3
> Reporter: Martin Kleppmann
> Assignee: Martin Kleppmann
> Fix For: 1.7.5
>
> Attachments: AVRO-1260-2.patch, AVRO-1260.patch
>
>
> I've made a few performance improvements to the Ruby Avro decoder. In my
> tests (decoding a complex record with many fields and nested records), I saw
> a 40% speedup on MRI 1.8.7 and a 20% speedup on MRI 1.9.3. The improved code
> also makes about half as many object allocations as before.
> Main changes are:
> * Using symbols instead of strings for the various schema types (there was
> actually a FIXME in the code for this, now fixed)
> * Added a few memoizations to avoid unnecessarily recomputing values
> I've tried to keep the API unchanged — {{Avro::Schema#type}} still returns a
> string, as users may be relying on the type ({{Avro::Schema#type_sym}} has
> the symbolized version). So I don't think this patch introduces any
> compatibility problems (as long as apps aren't relying on internals of the
> Avro library).
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