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  1. Lustre
  2. LU-20341

tests: sanity test_600a fails with 'unevict_cached_mb is 98, expected 100'

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    • Resolution: Unresolved
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    • 9223372036854775807

      This issue was created by maloo for Serguei Smirnov <ssmirnov@ddn.com>

      This issue relates to the following test suite run: https://testing.whamcloud.com/test_sets/fc1a68be-7075-4c27-a154-5e5d673c4146

      Test session details:
      clients: https://build.whamcloud.com/job/lustre-reviews/126058 - 5.14.0-503.40.1.el9_5.aarch64+64k
      servers: https://build.whamcloud.com/job/lustre-reviews/126058 - 4.18.0-553.117.1.el8_lustre.x86_64

       == sanity test 600a: basic test for mlock()ed file ======= 21:24:48 (1780694688)
/usr/bin/vmtouch
keep default fallocate mode: 0
osc.lustre-OST0000-osc-ffff0000ca86b000.enable_page_cache_shrink=0
osc.lustre-OST0001-osc-ffff0000ca86b000.enable_page_cache_shrink=0
osc.lustre-OST0002-osc-ffff0000ca86b000.enable_page_cache_shrink=0
osc.lustre-OST0003-osc-ffff0000ca86b000.enable_page_cache_shrink=0
osc.lustre-OST0004-osc-ffff0000ca86b000.enable_page_cache_shrink=0
osc.lustre-OST0005-osc-ffff0000ca86b000.enable_page_cache_shrink=0
osc.lustre-OST0006-osc-ffff0000ca86b000.enable_page_cache_shrink=0
osc.lustre-OST0007-osc-ffff0000ca86b000.enable_page_cache_shrink=0
llite.lustre-ffff0000ca86b000.enable_mlock_pages=1
/mnt/lustre/f600a.sanity

[                                                            ] 0/1600
[o                                                           ] 18/1600
[OOo                                                         ] 65/1600
[OOOOOOOo                                                    ] 193/1600
[OOOOOOOOOOOOOOOOOOOOOOOo                                    ] 641/1600
[OOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOo                   ] 1089/1600
[OOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOO] 1600/1600
LOCKED 1600 pages (100M)
before drop_caches (0):
Mlocked:          100800 kB
llite.lustre-ffff0000ca86b000.max_cached_mb=
users: 14
max_cached_mb: 1758
used_mb: 101
unused_mb: 1657
unevict_mb: 0
reclaim_count: 0
max_read_ahead_mb: 256
used_read_ahead_mb: 0
drop page caches (1):
Mlocked:          100800 kB
llite.lustre-ffff0000ca86b000.max_cached_mb=
users: 14
max_cached_mb: 1758
used_mb: 101
unused_mb: 1657
unevict_mb: 0
reclaim_count: 0
max_read_ahead_mb: 256
used_read_ahead_mb: 0
           Files: 1
     Directories: 0
  Resident Pages: 1600/1600  100M/100M  100%
         Elapsed: 0.001478 seconds
llite.lustre-ffff0000ca86b000.unevict_cached_mb=clear
llite.lustre-ffff0000ca86b000.unevict_cached_mb=98
 sanity test_600a: @@@@@@ FAIL: unevict_cached_mb is 98, expected 100

            wc-triage WC Triage
            maloo Maloo
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              Created:
              Updated: