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From Matthieu Morel <>
Subject Re: how to set s4.metrics.config
Date Mon, 15 Jul 2013 18:08:01 GMT

what version of S4 are you referring to?

It looks like you are using a release candidate instead of the final release and that you
are hitting issue S4-130, which is fixed in the final release.

When using the 0.6.0 final release, different metrics output directories can be specified
by passing metrics parameters when starting nodes (-p param) instead of specifying that in
the app deployment.



On Jul 12, 2013, at 16:01 , Jiaan Zeng <> wrote:

> Hi,
> I wonder how to set the metrics parameter, i.e. s4.metrics.config,
> correctly. What I did is to specify
> -p=s4.metrics.config=csv:/path/to/directory:10:SECONDS while deploying
> the s4r archive to zookeeper. There are several problems here.
> 1) The csv option is not used. Metrics output is dumped to console.
> org.apache.s4.core.util.S4Metrics uses following pattern which means
> group 1 on this pattern is always "csv:sth" or "console".
> In the init() function,  statement "String group1 =;"
> always returns "csv:/path/to/directory". That means following
> statement "if ("csv".equals(group1))" is false.
> 2) How do I specify different csv files for different node since the
> output path is set in application level? The way I set this parameter
> make all the nodes use the same path stored in zookeeper.
> Thanks.
> --
> Regards,
> Jiaan

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