[jira] [Work logged] (IO-726) Add MemoryMappedInputStream

["ASF GitHub Bot (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/IO-726?focusedWorklogId=570042&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-570042 ]

ASF GitHub Bot logged work on IO-726:
-------------------------------------

                Author: ASF GitHub Bot
            Created on: 22/Mar/21 21:07
            Start Date: 22/Mar/21 21:07
    Worklog Time Spent: 10m 
      Work Description: shollander opened a new pull request #215:
URL: https://github.com/apache/commons-io/pull/215


   Adds a `MemoryMappedInputStream` class bridging memory mapped files and `InputStream`s. Makes it easy to use memory mapped files and turbo charge disk IO.
   
   Fixes IO-726.


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Issue Time Tracking
-------------------

            Worklog Id:     (was: 570042)
    Remaining Estimate: 0h
            Time Spent: 10m

> Add MemoryMappedInputStream
> ---------------------------
>
>                 Key: IO-726
>                 URL: https://issues.apache.org/jira/browse/IO-726
>             Project: Commons IO
>          Issue Type: New Feature
>          Components: Streams/Writers
>    Affects Versions: 2.8.0
>            Reporter: S Hollander
>            Priority: Major
>             Fix For: 2.9.0
>
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> A very useful tool for improving performance with disk-based IO is the use of memory mapped files. I propose an {{InputStream}} that provides a bridge between memory mapped files and the {{InputStream}} ecosystem.
> In my limited performance tests, the use of the MemoryMappedInputStream provided a 25% increase in throughput.



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