Thanks Malahal
Can you point me to these issues/fixes. I will try to patch V2.5-stable and
run my tests.
Thanks,
Bharat
On Mon, Jan 1, 2018 at 10:20 AM, Malahal Naineni <mala...@gmail.com> wrote:
> >> I see that mdcache keeps growing beyond the high water mark and lru
> reclamation can’t keep up.
>
> mdcache is different from "FD" cache. I don't think we found an issue with
> mdcache itself. We found couple of issues with "FD cache"
>
> 1) https://review.gerrithub.io/#/c/391266/
> 2) https://review.gerrithub.io/#/c/390496/
>
> Neither of them are in V2.5-stable at this point. We will have to backport
> these and others soon.
>
> Regards, Malahal.
>
> On Mon, Jan 1, 2018 at 11:04 PM, bharat singh <bharat064...@gmail.com>
> wrote:
>
>> Adding nfs-ganesha-support..
>>
>>
>> On Fri, Dec 29, 2017 at 11:01 AM, bharat singh <bharat064...@gmail.com>
>> wrote:
>>
>>> 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
>>>
>>
>>
>>
>> --
>> -Bharat
>>
>>
>>
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>
--
-Bharat
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