[jira] [Resolved] (FLINK-1232) Allow I/O spill file writers to work with futures/callbacks

["Ufuk Celebi (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/FLINK-1232?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ufuk Celebi resolved FLINK-1232.
--------------------------------
    Resolution: Fixed

Fixed in c9cfe3ba9a2009c3da2cb8a39090154c30ccd88c.

(Commit has wrong issue number though... 1323 instead of 1232. I noticed it after merging. If anyone thinks we should revert the commit and add a new one with the correct issue number, just post here and I will do it.)

> Allow I/O spill file writers to work with futures/callbacks
> -----------------------------------------------------------
>
>                 Key: FLINK-1232
>                 URL: https://issues.apache.org/jira/browse/FLINK-1232
>             Project: Flink
>          Issue Type: Sub-task
>          Components: Local Runtime
>            Reporter: Stephan Ewen
>            Assignee: Stephan Ewen
>             Fix For: 0.8-incubating
>
>
> To simplify the implementation of the adaptive memory management, the asynchronous writers could use callbacks that are invoked when a memory has been successfully written.
> In the current solution, the thread writing memory segments to disk needs to keep track of how much was spilled and release that memory later.
> The callbacks can in that case release the memory directly. This is both simpler and less prone to leaks.



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