[Bugs] [Bug 1546732] Bad stat performance after client upgrade from 3.10 to 3.12

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1546732



--- Comment #6 from ingard <ingard at jotta.no> ---
The dump file dump_02_20_14_16.cap contains data for the following command:

$ date;time stat /mnt/dfs-060/999/mdue/727/34f6bc006ecb4454fa0105f9a4040d65
Tue Feb 20 14:16:40 CET 2018
  File: '/mnt/dfs-060/999/mdue/727/34f6bc006ecb4454fa0105f9a4040d65'
  Size: 239735          Blocks: 472        IO Block: 131072 regular file
Device: 2ah/42d Inode: 11617233438169611692  Links: 1
Access: (0644/-rw-r--r--)  Uid: ( 1000/   jotta)   Gid: ( 1000/   jotta)
Access: 2018-02-15 10:01:19.115894881 +0100
Modify: 2018-02-15 10:01:19.245054499 +0100
Change: 2018-02-15 10:01:21.059905172 +0100
 Birth: -

real    0m5.048s
user    0m0.000s
sys     0m0.000s

client stats after running the cmd : io-stats-pre.txt.dfs-060.1

-------------------------

The dump file dump_02_20_14_22.cap contains data for the following command:

$ date;time stat /mnt/dfs-060/999/mdue/727/34f6bc006ecb4454fa0105f9a4040d65
Tue Feb 20 14:22:39 CET 2018
  File: '/mnt/dfs-060/999/mdue/727/34f6bc006ecb4454fa0105f9a4040d65'
  Size: 239735          Blocks: 472        IO Block: 131072 regular file
Device: 2ah/42d Inode: 11617233438169611692  Links: 1
Access: (0644/-rw-r--r--)  Uid: ( 1000/   jotta)   Gid: ( 1000/   jotta)
Access: 2018-02-15 10:01:19.115894881 +0100
Modify: 2018-02-15 10:01:19.245054499 +0100
Change: 2018-02-15 10:01:21.059905172 +0100
 Birth: -

real    0m7.398s
user    0m0.000s
sys     0m0.000s

client stats after running the cmd : io-stats-pre.txt.dfs-060.2

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