Edward Konetzko <konetzed@xxxxxxxxxxxxxxxxx> wrote: > What should I look for When I run my a tar over NFS with an empty cache, I see: Retrvls: n=21448 ok=0 wt=4197 nod=21448 nbf=0 int=0 oom=0 Retrvls: ops=21448 owt=2483 Stores : n=89990 ok=89990 agn=0 nbf=0 oom=0 Stores : ops=21294 run=111284 Then when I run it again with a populated cache, I see: Retrvls: n=21448 ok=21447 wt=1841 nod=1 nbf=0 int=0 oom=0 Retrvls: ops=21448 owt=0 Stores : n=0 ok=0 agn=0 nbf=0 oom=0 Stores : ops=0 run=0 On the stats about Retrievals, n=21448 is the number of retrievals requested, ok=0 or ok=21447 is the number of retrievals actually satisfied from the cache, and nod=21448 or nod=1 is the number of retrievals that gave ENODATA. Note also that no stores were performes on the populated cache. I'm slightly perplexed that I have one retrieval that persists in failing to retrieve anything. It is, however, something I've reduced to a read of a single file, so I should be able to debug that. Note that a 'retrieval' isn't a retrieval of a single page necessarily. It may be a request to retrieve multiple pages. David -- Linux-cachefs mailing list Linux-cachefs@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/linux-cachefs