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From "Eddie Epstein (JIRA)" <...@uima.apache.org>
Subject [jira] [Created] (UIMA-5647) %CPU always reports 0 for managed reservations
Date Fri, 10 Nov 2017 20:14:00 GMT
Eddie Epstein created UIMA-5647:
-----------------------------------

             Summary: %CPU always reports 0 for managed reservations
                 Key: UIMA-5647
                 URL: https://issues.apache.org/jira/browse/UIMA-5647
             Project: UIMA
          Issue Type: Bug
          Components: DUCC
    Affects Versions: 2.2.1-Ducc
            Reporter: Eddie Epstein
             Fix For: future-DUCC


%CPU reporting works for service and job processes, but not managed reservations.

To reproduce the problem, create a bash script, say eatcpu.sh:

#!/bin/bash
while true; do for f in $(seq 1 100000); do echo 555 > /dev/null; done; done;

and then run it viaducc:

$DUCC_HOME/bin/viaducc eatcpu.sh

The duccmon reservation details page always shows %CPU=0, but top shows something just under
100%



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