[Bugs] [Bug 1221099] gNFSd does not work correctly/consistently with FSCache/CacheFilesd

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1221099



--- Comment #1 from rwareing at fb.com ---
Here's a paste of what a actual run from our hosts (filenames redacted):
100+1 records in
100+1 records out
1004991432 bytes (1.0 GB) copied, 0.323953 s, 3.1 GB/s <---- Expected speeds
from local SSD
100+1 records in
100+1 records out
1005020921 bytes (1.0 GB) copied, 0.181589 s, 5.5 GB/s
100+1 records in
100+1 records out
1004987708 bytes (1.0 GB) copied, 0.19944 s, 5.0 GB/s
100+1 records in
100+1 records out
1004889584 bytes (1.0 GB) copied, 0.219334 s, 4.6 GB/s
100+1 records in
100+1 records out
1004882070 bytes (1.0 GB) copied, 36.7292 s, 27.4 MB/s <---- Read requests
being send to gNFSd slowing things down
100+1 records in
100+1 records out
1004833208 bytes (1.0 GB) copied, 0.266268 s, 3.8 GB/s
100+1 records in
100+1 records out
1004874470 bytes (1.0 GB) copied, 41.6095 s, 24.2 MB/s
13+1 records in
13+1 records out
133198502 bytes (133 MB) copied, 5.34731 s, 24.9 MB/s
100+1 records in
100+1 records out
*SNIP*

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