bbende commented on issue #3425: NIFI-6197 HBase: Fix deprecations, default for client retries & validations URL: https://github.com/apache/nifi/pull/3425#issuecomment-482215204 I could be wrong, but my reasoning for thinking this is that the 1_1_2 service has been in existence and heavy use for almost 4 years, and during that time we haven't heard any issue with the retries until your situation just now. We have heard of many supposedly "stuck" issues during initial setup where someone gets the config files with hostnames not accessible from where NiFi is running. I guess it is very possible that everyone has just increased the retry value themselves and we never heard about it. I would like the idea of different values for first connection vs normal ops, but I'm not sure how to implement that since this retry concept is all part of hbase-client code. The exponential back-off is part of what I don't like about the 15 or 30 retries during first connect because it may take over 5 minutes before enabling the service truly fails and can be seen in NiFi.
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