Method notEnoughTeamsForAServer

fdbserver/DDTeamCollection.actor.cpp:4488–4505

}

bool DDTeamCollection::notEnoughTeamsForAServer() const {
	// We build more teams than we finally want so that we can use serverTeamRemover() actor to remove the teams
	// whose member belong to too many teams. This allows us to get a more balanced number of teams per server.
	// We want to ensure every server has targetTeamNumPerServer teams.
	// The numTeamsPerServerFactor is calculated as
	// (SERVER_KNOBS->DESIRED_TEAMS_PER_SERVER + ideal_num_of_teams_per_server) / 2
	// ideal_num_of_teams_per_server is (#teams * storageTeamSize) / #servers, which is
	// (#servers * DESIRED_TEAMS_PER_SERVER * storageTeamSize) / #servers.
	int targetTeamNumPerServer = (SERVER_KNOBS->DESIRED_TEAMS_PER_SERVER * (configuration.storageTeamSize + 1)) / 2;
	ASSERT_GT(targetTeamNumPerServer, 0);
	for (auto& [serverID, server] : server_info) {
		if (server->getTeams().size() < targetTeamNumPerServer && !server_status.get(serverID).isUnhealthy()) {
			return true;
		}
	}

	return false;
}

int DDTeamCollection::addTeamsBestOf(int teamsToBuild, int desiredTeams, int maxTeams) {
	ASSERT_GE(teamsToBuild, 0);