Andy LoPresto created NIFI-4221:
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Summary: Print app startup in human-readable time
Key: NIFI-4221
URL: https://issues.apache.org/jira/browse/NIFI-4221
Project: Apache NiFi
Issue Type: Improvement
Components: Core Framework
Affects Versions: 1.3.0
Reporter: Andy LoPresto
Priority: Minor
Currently the application startup time is printed in nanoseconds in the app
log. While this is very precise, because of the scale of these values, it can
require mental math to detect delays or variance from the standard/average
timing. I think it would be helpful to print a "human-readable" (i.e. broken
out into larger units) start time alongside the nanosecond precision time:
{code}
2017-07-24 14:00:14,159 INFO [main] org.apache.nifi.NiFi Controller
initialization took 15127377569 nanoseconds.
{code}
to:
{code}
2017-07-24 14:00:14,159 INFO [main] org.apache.nifi.NiFi Controller
initialization took 15127377569 nanoseconds (15 seconds).
{code}
While currently it's simply a matter of moving the decimal over the right
number of places, some deployments on cloud systems (especially those with low
entropy before NIFI-3313 was resolved) could take minutes to deploy. Being able
to parse these values in meaningful dimensions at a glance is helpful.
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