[jira] [Commented] (STORM-758) Very busy ShellBolt subprocess with Non-ACK mode cannot respond heartbeat just in time

["Jungtaek Lim (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/STORM-758?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15021001#comment-15021001 ] 

Jungtaek Lim commented on STORM-758:
------------------------------------

Current ShellBolt implementations force subprocess to send "ack" or "fail" to ShellBolt regardless of acking mode.
(ShellBolt._inputs will fill up if subprocess doesn't send "ack" or "fail".)

With assumption, STORM-742 could be also applied to non-ACK mode.

> Very busy ShellBolt subprocess with Non-ACK mode cannot respond heartbeat just in time
> --------------------------------------------------------------------------------------
>
>                 Key: STORM-758
>                 URL: https://issues.apache.org/jira/browse/STORM-758
>             Project: Apache Storm
>          Issue Type: Bug
>          Components: storm-multilang
>    Affects Versions: 0.10.0, 0.9.4, 0.11.0
>            Reporter: Jungtaek Lim
>            Assignee: Jungtaek Lim
>
> As [~dashengju] stated from STORM-738, very busy ShellBolt subprocess cannot respond heartbeat just in time.
> Actually it's by design constraint (more details are on STORM-513 or STORM-738), but it's better to find a way to avoid.
> My approach with ACK mode is here, STORM-742
> This issue points Non-ACK mode. 



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