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From "Vlad Rozov (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (APEXCORE-621) populate TIMEOUT_WINDOW_COUNT for thread local operators from downstreams.
Date Sun, 12 Feb 2017 21:57:41 GMT

     [ https://issues.apache.org/jira/browse/APEXCORE-621?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Vlad Rozov updated APEXCORE-621:
    Priority: Minor  (was: Major)

> populate TIMEOUT_WINDOW_COUNT for thread local operators from downstreams.
> --------------------------------------------------------------------------
>                 Key: APEXCORE-621
>                 URL: https://issues.apache.org/jira/browse/APEXCORE-621
>             Project: Apache Apex Core
>          Issue Type: Improvement
>            Reporter: Tushar Gosavi
>            Assignee: Deepak Narkhede
>            Priority: Minor
> A -> B -> C -> D
> In above dag if we have set TIMEOUT_WINDOW_COUNT on 'C' and 'B' and 'C' are in thread
local, then 'B' uses default TIMEOUT_WINDOW_COUNT attribute and marked as blocked opeator
while C is performing a time cosuming operation. The problem is more visible when operator
B is partitioned and unifiers are deployed thread local to C, in this case unifiers are declared
are blocked, and users need to remember to set TIMEOUT_WINDOW_COUNT on unifiers. 
> Instead platform could inherit TIMEOUT_WINDOW_COUNT attribute from downstream operator
in case of threadlocal/container local case to avoid getting detected as blocked early.

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