Re: create: Resource temporarily unavailable

"[email protected]" <[email protected]>
Newsgroups gmane.comp.sysutils.cfengine.general
Message-ID <[email protected]>
We have lots of RHEL7 machines, with community edition 3.15.5, and 
"control_executor_schedule" set to give a run every 20 minutes.  Across the 
estate we get a handful of instances like this per day.  Alas, there 
doesn't seem to be any pattern, and I don't seem able to reproduce it "on 
demand".

-- David Lee
-- Diamond Light Source

On Monday, 26 September 2022 at 21:30:22 UTC+1 [email protected] 
wrote:

> FYI, we are looking into this issue currently at 
> https://tracker.mender.io/browse/CFE-3807.
>
> If you can think of any correlations or connections to the issue I am 
> working on making as simple of a reproducer as possible.
>
> Thanks,
> Craig
>
> On Monday, May 9, 2022 at 8:56:16 AM UTC-5 Beto wrote:
>
>> Hi!
>>
>> Thank you for the info.  I'm seeing this on:
>>
>> Oracle Linux Server release 6.10
>> Oracle Linux Server release 7.9
>> Red Hat Enterprise Linux Server release 7.9
>>
>> On many servers multiple times/day.
>>
>> On Monday, May 9, 2022 at 5:48:54 AM UTC-5 [email protected] 
>> wrote:
>>
>>> On Thu, 2022-05-05 at 07:15 -0700, Beto wrote: 
>>> > I'm seeing erors similar to this on multiple servers: 
>>> > 
>>> >    error: Could not open database txn 
>>> /var/cfengine/state/cf_lock.lmdb: Invalid argument 
>>> >    error: Unable to create 
>>> > 
>>> 'last.temp_cf_bundle__var_cfengine_templates_main_cf_template.insert_lines.insert_type.- 
>>>
>>> > 
>>> fulla01.insertline_command_directory____usr_sbin__etc_postfix_main_cf_36_2285_MD5=9fdf5ab7b5f56b0e 
>>>
>>> > 07860f49e4f7c6a4'. (create: Resource temporarily unavailable) 
>>> > 
>>> > What resource is it complaining about?  I radically increased nfiles 
>>> but it had no affect. 
>>> Hi! 
>>> This is a known issue: https://tracker.mender.io/browse/CFE-3807 
>>> Unfortunately, we haven't been able 
>>> to reliably reproduce the issue (or often enough) to be able to debug 
>>> and fix it. 
>>>
>>> Which OS are you running? And does this happen during normal agent runs? 
>>> (We have mostly seen it 
>>> happening during bootstrap). 
>>>
>>> Thanks! 
>>>
>>> -- 
>>> Vratislav 
>>>
>>

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