[jira] [Updated] (IGNITE-7963) Futures from DataStreamer.addData() fail to complete if DataStreamer.flush() is never called

["Ilya Kasnacheev (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/IGNITE-7963?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ilya Kasnacheev updated IGNITE-7963:
------------------------------------
    Issue Type: Improvement  (was: Task)

> Futures from DataStreamer.addData() fail to complete if DataStreamer.flush() is never called
> --------------------------------------------------------------------------------------------
>
>                 Key: IGNITE-7963
>                 URL: https://issues.apache.org/jira/browse/IGNITE-7963
>             Project: Ignite
>          Issue Type: Improvement
>          Components: cache
>    Affects Versions: 2.3
>            Reporter: Ilya Kasnacheev
>            Assignee: Ilya Kasnacheev
>            Priority: Minor
>              Labels: usability
>
> DataStreamer.addData() will return futures for operation.
> Thus the naive use of DataStreamer will look like this:
> {code}
> for (Data d : data)
>      futs.add(dataStreamer.addData(d));
> for (IgniteFuture f : futs)
>     f.get();
> dataStreamer.close();
> {code}
> However, this does not work. Unless flush is called (manual or otherwisE), futures are not being processed. This code will likely hang on f.get().
> The solution, IMHO, is to introduce dataStreamer-flushing clause in f.get().



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