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HBASE-25947 Backport 'HBASE-25894 Improve the performance for region … #3339
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Not sure why jdk11 always pass but jdk8 always fail, it is TestAsyncTableGetMultiThreaded. Let me check the logs. |
OK, I think this is the problem. 2021-05-31 16:15:08,227 INFO [RpcServer.default.FPBQ.Fifo.handler=1,queue=0,port=41365] balancer.StochasticLoadBalancer(458): start StochasticLoadBalancer.balancer, initCost=NaN, functionCost=RegionCountSkewCostFunction : (500.0, 0.0); PrimaryRegionCountSkewCostFunction : (not needed); MoveCostFunction : (7.0, 0.0); ServerLocalityCostFunction : (25.0, 0.0); RackLocalityCostFunction : (15.0, 0.0); TableSkewCostFunction : (35.0, 1.0); RegionReplicaHostCostFunction : (not needed); RegionReplicaRackCostFunction : (not needed); ReadRequestCostFunction : (5.0, NaN); WriteRequestCostFunction : (5.0, NaN); MemStoreSizeCostFunction : (5.0, NaN); StoreFileCostFunction : (5.0, 0.0); computedMaxSteps: 9600 The region load related cost functions all return NaN, which makes the balancer broken. Let me dig more. |
…load and region count related cost functions' to branch-2.4 and branch-2.3
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@Apache9 Good by me. |
Mind giving an approve so I can merge the PR here? Thanks. |
…load and region count related cost functions' to branch-2.4 and branch-2.3 (#3339) Signed-off-by: Xiaolin Ha <haxiaolin@apache.org> Signed-off-by: Nick Dimiduk <ndimiduk@apache.org>
…load and region count related cost functions' to branch-2.4 and branch-2.3