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update README

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1 parent 0eb41a8 commit 5bc561b0916b3135bcdee0eea97662d8394f970a @wuputah wuputah committed Oct 5, 2012
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  1. +5 −2 README.md
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@@ -47,10 +47,13 @@ If using the `kanshi` binary, configuration is optional but is done
through environment variables:
* Kanshi will monitor all `postgres://` URLs in your environment.
-* `KANSHI_SAMPLE_DELAY` will change how often Kanshi monitors your
- database in seconds. Default: 300
* `KANSHI_PREFIX` will change the prefix used on metrics. Default:
`kanshi`
+* `KANSHI_SAMPLE_DELAY` will change how often Kanshi monitors your
+ database in seconds. Default: 60. This is the recommended time so that
+ your metrics are reported on a "per minute" basis (metrics are not yet
+ normalized per time period, so changing this value will significantly
+ affect metric values).
Environment variables have no effect on the Kanshi library code, so if
executing Kanshi manually, configuration is done via the options hash

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