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Mike Percy commented on KUDU-2323: ---------------------------------- It seems this should have been partially fixed by the fix for KUDU-2320. > NON_VOTER replica flapping (repeatedly added and evicted) > --------------------------------------------------------- > > Key: KUDU-2323 > URL: https://issues.apache.org/jira/browse/KUDU-2323 > Project: Kudu > Issue Type: Bug > Components: consensus > Affects Versions: 1.7.0 > Reporter: Todd Lipcon > Assignee: Alexey Serbin > Priority: Major > > In running a YCSB stress workload I see a tablet got into some state where > the master flapped back and forth adding and then removing a replica as a > NON_VOTER: > {code} > I0221 21:54:35.341892 28047 catalog_manager.cc:3274] Sending > ChangeConfig:REMOVE_PEER on tablet 4ffc930e9f2148c38e441f19aa230872 (attempt > 1) > I0221 21:54:35.360297 28045 catalog_manager.cc:3162] Sending > ChangeConfig:ADD_PEER:NON_VOTER on tablet 4ffc930e9f2148c38e441f19aa230872 > (attempt 1) > I0221 21:54:35.612417 28048 catalog_manager.cc:3274] Sending > ChangeConfig:REMOVE_PEER on tablet 4ffc930e9f2148c38e441f19aa230872 (attempt > 1) > I0221 21:54:35.713057 28045 catalog_manager.cc:3162] Sending > ChangeConfig:ADD_PEER:NON_VOTER on tablet 4ffc930e9f2148c38e441f19aa230872 > (attempt 1) > I0221 21:54:35.725723 28045 catalog_manager.cc:3274] Sending > ChangeConfig:REMOVE_PEER on tablet 4ffc930e9f2148c38e441f19aa230872 (attempt > 1) > I0221 21:54:35.752959 28052 catalog_manager.cc:3162] Sending > ChangeConfig:ADD_PEER:NON_VOTER on tablet 4ffc930e9f2148c38e441f19aa230872 > (attempt 1) > I0221 21:54:35.767974 28047 catalog_manager.cc:3274] Sending > ChangeConfig:REMOVE_PEER on tablet 4ffc930e9f2148c38e441f19aa230872 (attempt > 1) > I0221 21:54:35.772202 28045 catalog_manager.cc:3162] Sending > ChangeConfig:ADD_PEER:NON_VOTER on tablet 4ffc930e9f2148c38e441f19aa230872 > (attempt 1) > I0221 21:54:36.291569 28046 catalog_manager.cc:3274] Sending > ChangeConfig:REMOVE_PEER on tablet 4ffc930e9f2148c38e441f19aa230872 (attempt > 1) > I0221 21:54:36.296468 28046 catalog_manager.cc:3162] Sending > ChangeConfig:ADD_PEER:NON_VOTER on tablet 4ffc930e9f2148c38e441f19aa230872 > (attempt 1) > I0221 21:54:36.328945 28045 catalog_manager.cc:3274] Sending > ChangeConfig:REMOVE_PEER on tablet 4ffc930e9f2148c38e441f19aa230872 (attempt > 1) > I0221 21:54:36.339675 28045 catalog_manager.cc:3162] Sending > ChangeConfig:ADD_PEER:NON_VOTER on tablet 4ffc930e9f2148c38e441f19aa230872 > (attempt 1) > I0221 21:54:36.387465 28045 catalog_manager.cc:3274] Sending > ChangeConfig:REMOVE_PEER on tablet 4ffc930e9f2148c38e441f19aa230872 (attempt > 1) > I0221 21:54:36.394716 28047 catalog_manager.cc:3162] Sending > ChangeConfig:ADD_PEER:NON_VOTER on tablet 4ffc930e9f2148c38e441f19aa230872 > (attempt 1) > I0221 21:54:36.398644 28047 catalog_manager.cc:3274] Sending > ChangeConfig:REMOVE_PEER on tablet 4ffc930e9f2148c38e441f19aa230872 (attempt > 1) > I0221 21:54:36.405082 28047 catalog_manager.cc:3162] Sending > ChangeConfig:ADD_PEER:NON_VOTER on tablet 4ffc930e9f2148c38e441f19aa230872 > (attempt 1) > I0221 21:54:36.409888 28048 catalog_manager.cc:3274] Sending > ChangeConfig:REMOVE_PEER on tablet 4ffc930e9f2148c38e441f19aa230872 (attempt > 1) > I0221 21:54:36.414216 28046 catalog_manager.cc:3162] Sending > ChangeConfig:ADD_PEER:NON_VOTER on tablet 4ffc930e9f2148c38e441f19aa230872 > (attempt 1) > I0221 21:54:36.417915 28048 catalog_manager.cc:3274] Sending > ChangeConfig:REMOVE_PEER on tablet 4ffc930e9f2148c38e441f19aa230872 (attempt > 1) > I0221 21:54:36.423548 28048 catalog_manager.cc:3162] Sending > ChangeConfig:ADD_PEER:NON_VOTER on tablet 4ffc930e9f2148c38e441f19aa230872 > (attempt 1) > I0221 21:54:36.453407 28045 catalog_manager.cc:3274] Sending > ChangeConfig:REMOVE_PEER on tablet 4ffc930e9f2148c38e441f19aa230872 (attempt > 1) > I0221 21:54:36.552772 28048 catalog_manager.cc:3162] Sending > ChangeConfig:ADD_PEER:NON_VOTER on tablet 4ffc930e9f2148c38e441f19aa230872 > (attempt 1) > I0221 21:58:01.300199 28053 catalog_manager.cc:3274] Sending > ChangeConfig:REMOVE_PEER on tablet 4ffc930e9f2148c38e441f19aa230872 (attempt > 1) > I0221 21:58:01.426921 28046 catalog_manager.cc:3162] Sending > ChangeConfig:ADD_PEER:NON_VOTER on tablet 4ffc930e9f2148c38e441f19aa230872 > (attempt 1) > I0221 22:01:37.779790 28051 catalog_manager.cc:3274] Sending > ChangeConfig:REMOVE_PEER on tablet 4ffc930e9f2148c38e441f19aa230872 (attempt > 1) > {code} -- This message was sent by Atlassian JIRA (v7.6.3#76005)