I see "maximum attempts exceeded to update history" often in front end logs any idea what could be going wrong?

{“level”:“error”,“ts”:“2021-02-02T06:32:34.640Z”,“msg”:“Unknown error”,“service”:“frontend”,“error”:“maximum attempts exceeded to update history”,“logging-call-at”:“workflowHandler.go:3454”,“stacktrace”:“go.temporal.io/server/common/log/loggerimpl.(*loggerImpl).Error\n\t/temporal/common/log/loggerimpl/logger.go:138\ngo.temporal.io/server/service/frontend.(*WorkflowHandler).error\n\t/temporal/service/frontend/workflowHandler.go:3454\ngo.temporal.io/server/service/frontend.(*WorkflowHandler).RespondActivityTaskCompleted\n\t/temporal/service/frontend/workflowHandler.go:1452\ngo.temporal.io/server/service/frontend.(*DCRedirectionHandlerImpl).RespondActivityTaskCompleted.func2\n\t/temporal/service/frontend/dcRedirectionHandler.go:816\ngo.temporal.io/server/service/frontend.(*NoopRedirectionPolicy).WithNamespaceIDRedirect\n\t/temporal/service/frontend/dcRedirectionPolicy.go:111\ngo.temporal.io/server/service/frontend.(*DCRedirectionHandlerImpl).RespondActivityTaskCompleted\n\t/temporal/service/frontend/dcRedirectionHandler.go:812\ngo.temporal.io/api/workflowservice/v1._WorkflowService_RespondActivityTaskCompleted_Handler.func1\n\t/go/pkg/mod/go.temporal.io/api@v1.4.0/workflowservice/v1/service.pb.go:1191\ngo.temporal.io/server/common/authorization.(*interceptor).Interceptor\n\t/temporal/common/authorization/interceptor.go:136\ngoogle.golang.org/grpc.getChainUnaryHandler.func1\n\t/go/pkg/mod/google.golang.org/grpc@v1.34.0/server.go:1051\ngo.temporal.io/server/common/rpc.ServiceErrorInterceptor\n\t/temporal/common/rpc/grpc.go:100\ngoogle.golang.org/grpc.chainUnaryServerInterceptors.func1\n\t/go/pkg/mod/google.golang.org/grpc@v1.34.0/server.go:1037\ngo.temporal.io/api/workflowservice/v1._WorkflowService_RespondActivityTaskCompleted_Handler\n\t/go/pkg/mod/go.temporal.io/api@v1.4.0/workflowservice/v1/service.pb.go:1193\ngoogle.golang.org/grpc.(*Server).processUnaryRPC\n\t/go/pkg/mod/google.golang.org/grpc@v1.34.0/server.go:1210\ngoogle.golang.org/grpc.(*Server).handleStream\n\t/go/pkg/mod/google.golang.org/grpc@v1.34.0/server.go:1533\ngoogle.golang.org/grpc.(*Server).serveStreams.func1.2\n\t/go/pkg/mod/google.golang.org/grpc@v1.34.0/server.go:871”}

That error typically means either Temporal history server is busy or underlying DB is busy. Plz check DB usage.