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From "Matthew Clarke (JIRA)" <>
Subject [jira] [Commented] (NIFI-1462) NiFi should log environment information on startup
Date Wed, 03 Feb 2016 14:36:39 GMT


Matthew Clarke commented on NIFI-1462:

I know that # processors and cpu load is already included in system diagnostics, so maybe
be dumb to put it in 2 places. We could add the additional information there instead.
We should also improve that "system diagnostics" system tab.  I don't think the information
in that tab should ever be cumulative of the every node in the cluster, it breaks down the
value of the information presented.  I think it should provide a selection menu where you
can pick the node you want to see the stats for.  We should also include disk utilization
for all repos and state directories.  We should never sum and provide average across a cluster
for disk utilization. Provide no real diagnostic info that way.  Repo stat could say it is
at 50% utilization and i think it is fine, while in fact that 50% average is caused by Node
X being at 99%.  Not sure if this should be covered under this ticket.  sorry if it isn't.

> NiFi should log environment information on startup
> --------------------------------------------------
>                 Key: NIFI-1462
>                 URL:
>             Project: Apache NiFi
>          Issue Type: Improvement
>          Components: Core Framework
>            Reporter: Mark Payne
> When users have questions on the dev@ and users@ mailing lists, quite often the first
response they receive is to request information about which operating system they are running,
max heap size, etc. NiFi should log all of this information on startup, so that it is all
very easily gathered.
> Things to include:
> * Operating System (name & version)
> * Java Vendor
> * Java Version
> * Min Heap Size
> * Max Heap Size
> * Garbage Collector
> * Max # of open files for user
> * Max # of processes for user
> These may not all make sense for all operating systems / environments but the info should
be gathered when it does make sense.

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