Hello, On Mon, 13 Jul 2015, rhadoo.io88 wrote: > Hi, > My name is Raducu Deaconu, i am a romanian syadmin/solution manager > and i have been working with lvs for some years now, great software! > I mainly use ldirectord on top of lvs and every now and then i do run > into customer tasks that would need new features. > One such feature is the need of a failover scheduler that would allow > a certain number of active connections to be served by a server and > only in case that is overloaded send some jobs to another/other > servers. > That would be needed say in the case you have let's say a galera > cluster and you want to make sure all writes go to one node, and only > one node,or in the case where you have some caching implemented in an > application and you want the virtual service to always go to that > server, unless there is a problem, case when another server can handle > the job, although without the caching. > These features are not possible now in ldirectord/lvs and i think they > would bring some benefits to many use cases like my own. Can the same be achieved by setting --u-threshold and using the FO scheduler? ip_vs_bind_dest() sets the IP_VS_DEST_F_OVERLOAD flag if number of connections exceed upper threshold and then the FO scheduler can select another real server with lower weight. Regards -- Julian Anastasov <ja@xxxxxx> -- To unsubscribe from this list: send the line "unsubscribe lvs-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
