lfrancke commented on issue #3425: NIFI-6197 HBase: Fix deprecations, default for client retries & validations URL: https://github.com/apache/nifi/pull/3425#issuecomment-482715707 Just for reference: With all default settings these will be the retry values/backoff times) for each retry: 100ms, 200ms, 300ms, 500ms, 1s, 2s, 4s, 10s, 10s, 10s, 10s, 20s, 20s, ... So with the default retry of 15 in HBase 2 that'll be 129,1s For 35 retries (HBase 1) that'll be 528,1s. I totally get that this is not great to wait for during a connection timeout but 1-1,5 minutes is how long a crashed server recovery can take and I'd rather take the one-time hit than problems during runtime. We are working on getting that down but I believe it really is not a good idea to go lower than the default values (35/15). If you insist I could set an explicit default of 15 for HBase 1 and rely on the hardcoded default for HBase 2 (which should hopefully just go down in newer versions).
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