hanishakoneru edited a comment on pull request #481:
URL: https://github.com/apache/ratis/pull/481#issuecomment-860896794
> I am fine with removing the warning, but can you please give more
information how can the problem be reproduced? As far as I remember I also saw
it earlier, but today I just tested with ozone sh and ozonen freon and couldn't
reproduce.
I was able to see this just be running a {{ozone sh key put}} command. I
think we log this warning once for each BlockOutputStream. When creating a
large key (multiple blocks), this log message is seen multiple times.
> Do we have any racecondition somewhere between adding reporters +
registering the first metric? Or is the metric registration missing from
somewhere?
When creating the RatisMetricRegistry, it is expecting that there should be
some reporters registered already. If not, this warning message is thrown. In
JVMMetrics, we add consoleReporter and JmxReporter before creating the
MetricsRegistry. But in RatisMetrics, this is not done.
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