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From "P. Taylor Goetz (JIRA)" <>
Subject [jira] [Commented] (STORM-241) "storm jar" underperforms compared to scp
Date Sat, 15 Feb 2014 19:44:19 GMT


P. Taylor Goetz commented on STORM-241:

I agree that this would be good to have.

I think the best approach would be to add it as a configuration value to with sane
defaults defined in defaults.yaml.

This is a pretty simple change that would be a good one for prospective contributors to tackle,
and one which I would vote in favor of.

> "storm jar" underperforms compared to scp
> -----------------------------------------
>                 Key: STORM-241
>                 URL:
>             Project: Apache Storm (Incubating)
>          Issue Type: Improvement
>         Environment: Internet connected dev machine deploying to storm cluster on AWS.
>            Reporter: Adam Lewis
>              Labels: configuration, newbie
> "storm jar" is very slow at sending the jar file, achieving roughly 10% of the throughput
compared to SCP for the same network configuration.  This is especially problematic when deploying
jars from over the Internet.
> This appears to be related to the chunk size used to transmit the JAR file over the thrift
protocol.  Anecdotally, a 300KB chunk size (compared to the currently used default of 15KB),
achieved performance in line with scp.
> Default can be overridden in the BufferFileInputStream ctor:

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