Tuesday, February 4, 2014, 1:39:37 AM, you wrote: > Hello, > I configured TrafficServer, in virtual machines, to use raw disks as > cache. Currently 2 disks of 10G each. > TrafficServer now reports 80% of cache used.
> Basically, I see 2 solutions: > - Add more disk space (best one because Trafficservers are behind a > Load-balancer) > - Add more servers (which won't solve the per server disk usage) I would recommend taking the third option, just let it run. It is completely normal and expected for the Traffic Server cache to become full. All of the deployments I know of treat this as the normal state. Traffic Server will evict old content from the cache as needed. > Regarding first solution, I wonder how raw disk cache exactly works, in > terms of repartition ? > Adding new disk, will trafficserver: > - invalidate part of the cache (sort of sharding) ? > - somehow rebalance data ? > - add new data after existing ones ? Some of the cache will be invalidated, none of it will be migrated between physical disks.
