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https://issues.apache.org/jira/browse/BEAM-3572?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Bill Neubauer reassigned BEAM-3572:
-----------------------------------
Assignee: Bill Neubauer (was: Kenneth Knowles)
> Reduce inefficient allocations in coders
> ----------------------------------------
>
> Key: BEAM-3572
> URL: https://issues.apache.org/jira/browse/BEAM-3572
> Project: Beam
> Issue Type: Improvement
> Components: sdk-java-core
> Reporter: Bill Neubauer
> Assignee: Bill Neubauer
> Priority: Minor
> Original Estimate: 24h
> Remaining Estimate: 24h
>
> BufferedElementCountingOutputStream's constructor allocates a new buffer to
> wrap the input OutputStream. This gets called on each invocation of encode()
> from IterableLikeCoder. Since Coder is designed to be stateless, but this
> coder holds state and isn't threadsafe, we can't just have the caller manage
> the buffer. Modifying the constructor to use a pool of buffers to reduce the
> number of allocations will help performance.
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