[jira] [Updated] (STORM-907) More Intellegent Backpressure

["Rick Kellogg (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/STORM-907?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Rick Kellogg updated STORM-907:
-------------------------------
    Component/s: storm-core

> More Intellegent Backpressure
> -----------------------------
>
>                 Key: STORM-907
>                 URL: https://issues.apache.org/jira/browse/STORM-907
>             Project: Apache Storm
>          Issue Type: Improvement
>          Components: storm-core
>            Reporter: Robert Joseph Evans
>            Assignee: Chuanlei Ni
>
> As a follow on to STORM-886 we should look at ways to automatically adjust the back-pressure to meet SLAs.
> Using an SLA latency goal for a topology from something like STORM-815 or STORM-594 we should be able to come up with a time budget for each stage in a DAG.  We will have to play games if there are loops in a topology, but it should be doable.  We could then adjust the budget based off of actual latency numbers measured while running.  Then throttle the upstream bolts/spouts so that the predicted time spent in the downstream queue will be under the budget for that stage.
> I see this as a complement to the bang-bang controller from STORM-886 



--
This message was sent by Atlassian JIRA
(v6.3.4#6332)