milleruntime opened a new issue #2506:
URL: https://github.com/apache/accumulo/issues/2506


   The `SimpleLoadBalancer` logs too many outstanding migrations. I don't know 
why this is happening but anytime there is an outstanding migration, it will 
spam the Manager log with too many log messages.
   <pre>
   :17,605 [balancer.SimpleLoadBalancer] WARN : Not balancing due to 8 
outstanding migrations.
   2022-02-17T12:44:17,605 [balancer.SimpleLoadBalancer] DEBUG: Sample up to 10 
outstanding migrations: 30;d;c, 30<;f, 30;e;d, 30;a;9, 30;f;e, 30;9;8, 30;b;a, 
30;c;b
   2022-02-17T12:44:17,605 [balancer.SimpleLoadBalancer] WARN : Not balancing 
due to 8 outstanding migrations.
   2022-02-17T12:44:17,605 [balancer.SimpleLoadBalancer] DEBUG: Sample up to 10 
outstanding migrations: 30;d;c, 30<;f, 30;e;d, 30;a;9, 30;f;e, 30;9;8, 30;b;a, 
30;c;b
   2022-02-17T12:44:17,605 [balancer.SimpleLoadBalancer] WARN : Not balancing 
due to 8 outstanding migrations.
   2022-02-17T12:44:17,605 [balancer.SimpleLoadBalancer] DEBUG: Sample up to 10 
outstanding migrations: 30;d;c, 30<;f, 30;e;d, 30;a;9, 30;f;e, 30;9;8, 30;b;a, 
30;c;b
   2022-02-17T12:44:17,605 [balancer.SimpleLoadBalancer] WARN : Not balancing 
due to 8 outstanding migrations.
   2022-02-17T12:44:17,605 [balancer.SimpleLoadBalancer] DEBUG: Sample up to 10 
outstanding migrations: 30;d;c, 30<;f, 30;e;d, 30;a;9, 30;f;e, 30;9;8, 30;b;a, 
30;c;b
   2022-02-17T12:44:17,605 [balancer.SimpleLoadBalancer] WARN : Not balancing 
due to 8 outstanding migrations.
   2022-02-17T12:44:17,605 [balancer.SimpleLoadBalancer] DEBUG: Sample up to 10 
outstanding migrations: 30;d;c, 30<;f, 30;e;d, 30;a;9, 30;f;e, 30;9;8, 30;b;a, 
30;c;b
   2022-02-17T12:44:17,605 [balancer.SimpleLoadBalancer] WARN : Not balancing 
due to 8 outstanding migrations.
   2022-02-17T12:44:17,606 [balancer.SimpleLoadBalancer] DEBUG: Sample up to 10 
outstanding migrations: 30;d;c, 30<;f, 30;e;d, 30;a;9, 30;f;e, 30;9;8, 30;b;a, 
30;c;b
   2022-02-17T12:44:17,606 [balancer.SimpleLoadBalancer] WARN : Not balancing 
due to 8 outstanding migrations.
   2022-02-17T12:44:17,606 [balancer.SimpleLoadBalancer] DEBUG: Sample up to 10 
outstanding migrations: 30;d;c, 30<;f, 30;e;d, 30;a;9, 30;f;e, 30;9;8, 30;b;a, 
30;c;b
   2022-02-17T12:44:17,606 [balancer.SimpleLoadBalancer] WARN : Not balancing 
due to 8 outstanding migrations.
   2022-02-17T12:44:17,606 [balancer.SimpleLoadBalancer] DEBUG: Sample up to 10 
outstanding migrations: 30;d;c, 30<;f, 30;e;d, 30;a;9, 30;f;e, 30;9;8, 30;b;a, 
30;c;b
   2022-02-17T12:44:17,606 [balancer.SimpleLoadBalancer] WARN : Not balancing 
due to 8 outstanding migrations.
   2022-02-17T12:44:17,606 [balancer.SimpleLoadBalancer] DEBUG: Sample up to 10 
outstanding migrations: 30;d;c, 30<;f, 30;e;d, 30;a;9, 30;f;e, 30;9;8, 30;b;a, 
30;c;b
   2022-02-17T12:44:17,606 [balancer.SimpleLoadBalancer] WARN : Not balancing 
due to 8 outstanding migrations.
   2022-02-17T12:44:17,606 [balancer.SimpleLoadBalancer] DEBUG: Sample up to 10 
outstanding migrations: 30;d;c, 30<;f, 30;e;d, 30;a;9, 30;f;e, 30;9;8, 30;b;a, 
30;c;b
   2022-02-17T12:44:17,606 [balancer.SimpleLoadBalancer] WARN : Not balancing 
due to 8 outstanding migrations.
   2022-02-17T12:44:17,606 [balancer.SimpleLoadBalancer] DEBUG: Sample up to 10 
outstanding migrations: 30;d;c, 30<;f, 30;e;d, 30;a;9, 30;f;e, 30;9;8, 30;b;a, 
30;c;b
   2022-02-17T12:44:17,606 [balancer.SimpleLoadBalancer] WARN : Not balancing 
due to 8 outstanding migrations.
   2022-02-17T12:44:17,606 [balancer.SimpleLoadBalancer] DEBUG: Sample up to 10 
outstanding migrations: 30;d;c, 30<;f, 30;e;d, 30;a;9, 30;f;e, 30;9;8, 30;b;a, 
30;c;b
   2022-02-17T12:44:17,606 [balancer.SimpleLoadBalancer] WARN : Not balancing 
due to 8 outstanding migrations.
   2022-02-17T12:44:17,606 [balancer.SimpleLoadBalancer] DEBUG: Sample up to 10 
outstanding migrations: 30;d;c, 30<;f, 30;e;d, 30;a;9, 30;f;e, 30;9;8, 30;b;a, 
30;c;b
   2022-02-17T12:44:17,606 [balancer.SimpleLoadBalancer] WARN : Not balancing 
due to 8 outstanding migrations.
   2022-02-17T12:44:17,606 [balancer.SimpleLoadBalancer] DEBUG: Sample up to 10 
outstanding migrations: 30;d;c, 30<;f, 30;e;d, 30;a;9, 30;f;e, 30;9;8, 30;b;a, 
30;c;b
   2022-02-17T12:44:17,606 [balancer.SimpleLoadBalancer] WARN : Not balancing 
due to 8 outstanding migrations.
   2022-02-17T12:44:17,606 [balancer.SimpleLoadBalancer] DEBUG: Sample up to 10 
outstanding migrations: 30;d;c, 30<;f, 30;e;d, 30;a;9, 30;f;e, 30;9;8, 30;b;a, 
30;c;b
   2022-02-17T12:44:17,606 [balancer.SimpleLoadBalancer] WARN : Not balancing 
due to 8 outstanding migrations.
   2022-02-17T12:44:17,606 [balancer.SimpleLoadBalancer] DEBUG: Sample up to 10 
outstanding migrations: 30;d;c, 30<;f, 30;e;d, 30;a;9, 30;f;e, 30;9;8, 30;b;a, 
30;c;b
   2022-02-17T12:44:17,606 [balancer.SimpleLoadBalancer] WARN : Not balancing 
due to 8 outstanding migrations.
   2022-02-17T12:44:17,606 [balancer.SimpleLoadBalancer] DEBUG: Sample up to 10 
outstanding migrations: 30;d;c, 30<;f, 30;e;d, 30;a;9, 30;f;e, 30;9;8, 30;b;a, 
30;c;b
   2022-02-17T12:44:17,606 [balancer.SimpleLoadBalancer] WARN : Not balancing 
due to 8 outstanding migrations.
   2022-02-17T12:44:17,606 [balancer.SimpleLoadBalancer] DEBUG: Sample up to 10 
outstanding migrations: 30;d;c, 30<;f, 30;e;d, 30;a;9, 30;f;e, 30;9;8, 30;b;a, 
30;c;b
   2022-02-17T12:44:17,606 [balancer.SimpleLoadBalancer] WARN : Not balancing 
due to 8 outstanding migrations.
   2022-02-17T12:44:17,606 [balancer.SimpleLoadBalancer] DEBUG: Sample up to 10 
outstanding migrations: 30;d;c, 30<;f, 30;e;d, 30;a;9, 30;f;e, 30;9;8, 30;b;a, 
30;c;b
   2022-02-17T12:44:17,606 [balancer.SimpleLoadBalancer] WARN : Not balancing 
due to 8 outstanding migrations.
   </pre>


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