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https://issues.apache.org/jira/browse/DAFFODIL-3064?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Steve Lawrence resolved DAFFODIL-3064.
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Resolution: Fixed
Fixed in commit e6b76fbc8bed5a794e7b2826bff81968114f2d2b
> Reduce Future allocation in CLI performance command
> ---------------------------------------------------
>
> Key: DAFFODIL-3064
> URL: https://issues.apache.org/jira/browse/DAFFODIL-3064
> Project: Daffodil
> Issue Type: Bug
> Components: CLI, Performance
> Reporter: Steve Lawrence
> Assignee: Steve Lawrence
> Priority: Major
> Fix For: 4.1.0
>
>
> The CLI performance command creates N futures, where N is the total number of
> files to process. So if we wanted to test the performance of 200,000 files,
> we create 200,000 futures.
> In profiling, this doesn't seem to make a difference, but all those Future
> allocations does make it more difficult to see actual allocations. Instead we
> should have just a single Future per thread that loops until all the input
> files are processed. Not only does this reduce allocations, it also matches
> real world usage, where there is a single serial producer and long running
> parallel consumers.
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