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https://issues.apache.org/jira/browse/AVRO-743?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Scott Carey updated AVRO-743:
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Attachment: AVRO-743.patch
> Java: Performance Regression and memory pressure with GenericDatumReader
> ------------------------------------------------------------------------
>
> Key: AVRO-743
> URL: https://issues.apache.org/jira/browse/AVRO-743
> Project: Avro
> Issue Type: Bug
> Components: java
> Affects Versions: 1.5.0
> Reporter: Scott Carey
> Assignee: Scott Carey
> Priority: Critical
> Fix For: 1.5.0
>
> Attachments: AVRO-743.patch
>
>
> AVRO-650 introduced a large performance regression and memory bloat issue
> with GenericDatumReader.
> Performance plummets for some Perf.java tests (One test took 1 hour to finish
> on my laptop).
> Some minor changes I tried result in it passing in shorter time, but with
> still an 80% performance degredation.
> This is associated with memory bloat related to ThreadLocals.
> More details provided in comments.
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