Hello,
I am testing NFSv3 Ganesha implementation against nfstest_io tool. I see
that mdcache keeps growing beyond the high water mark and lru reclamation
can’t keep up.
[cache_lru] lru_run :INODE LRU :CRIT :Futility count exceeded. The LRU
thread is unable to make progress in reclaiming FDs. Disabling FD cache.
mdcache_lru_fds_available :INODE LRU :INFO :FDs above high water mark,
waking LRU thread. open_fd_count=14196, lru_state.fds_hiwat=3686,
lru_state.fds_lowat=2048, lru_state.fds_hard_limit=4055
I am on Ganesha V2.5.2 with default config settings
So couple of questions:
1. Is Ganesha tested against these kind of tools, which does a bunch of
open/close in quick successions.
2. Is there a way to suppress these error messages and/or expedite the lru
reclamation process.
3. Any suggestions regarding the usage of these kind of tools with Ganesha.
Thanks,
Bharat
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