[jira] [Updated] (STORM-431) Topology back pressure using netty transport

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

     [ https://issues.apache.org/jira/browse/STORM-431?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Rick Kellogg updated STORM-431:
-------------------------------
    Component/s: storm-core

> Topology back pressure using netty transport
> --------------------------------------------
>
>                 Key: STORM-431
>                 URL: https://issues.apache.org/jira/browse/STORM-431
>             Project: Apache Storm
>          Issue Type: Improvement
>          Components: storm-core
>            Reporter: Sushant Kumar
>
> There are several community threads that talk about automatically managing back pressure based on send and receive buffers between the spouts and the bolts. This works perfectly in a single worker scenario. Supposedly, it doesn't work across multiple workers because of zmq deficiency. Now that netty has replaced zmq as a network transport, is it possible to officially support buffer lengths as a flow control mechanism in non-reliable topologies with high throughput needs?



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