In statistics request the "notifQueue"."in" is returned with negative values

[iariasleon]

In statistics request the "notifQueue"."in" is returned with negative values

How reproduce this failure

CB config

contextBroker -port 1026 -logDir /var/log/contextBroker -pidpath /var/run/contextBroker/contextBroker.pid -dbhost localhost -db orion -reqMutexPolicy none -writeConcern 0 -notificationMode threadpool:60000:300 -statTiming -statSemWait -statCounters -statNotifQueue -multiservice -subCacheIval 5 -fg

The JMeter script used with this config:

sh jmeter.sh -n  -t orion_soak_test_ngsiv1_ngsiv2.jmx -JHOST=localhost -JTEST_TIME=172800 -JTHREADS=300 -JSERVICE="soak_test_1_5_0_next" -JATTRIBUTES=15 -JSUBSC_REFERENCE="http://localhost:8090/notify" -JSUBSC_DURATION=8000 -JVERSION_PERCENTAGE=0

CB version

"git_hash": "7388d9f1a6a2342a76090431a93276c20726b158",
"version": "1.5.0_20161129094630"

request used:

curl localhost:1026/statistics | python -mjson.tool

some reports obtained

 "notifQueue": {
        "avgTimeInQueue": 0.001538384,
        "in": -180599643,
        "out": 51377,
        "reject": 0,
        "sentError": 0,
        "sentOk": 51377,
        "size": 0,
        "timeInQueue": 79.037536621
    },

   "notifQueue": {
        "avgTimeInQueue": 0.001566873,
        "in": -1274516242,
        "out": 72511,
        "reject": 0,
        "sentError": 0,
        "sentOk": 72511,
        "size": 0,
        "timeInQueue": 113.615509033
    }

[kzangeli]

Probably, all these counters should be unsigned long long or double

[fgalan]

Pls, @iariasleon have a look and close it if you find fixed.

[iariasleon]

LGTM
After several executions, the "in" field never is negative.

        "notifQueue": {
                "avgTimeInQueue": 0.006964049,
                "in": 858388,
                "out": 858388,
                "reject": 0,
                "sentError": 78357,
                "sentOk": 780031,
                "size": 0,
                "timeInQueue": 5977.856445312
            },