[PATCH] Add a prefork process model

[Gary Lockyer]

Could I get comments or another another team review on this.

Thanks
Gary.

On 26/09/17 07:32, Gary Lockyer via samba-technical wrote:
> Updated patch set attached, adds documentation of the process models to
> man 8 samba.
> 
> Reviews greatly appreciated, I'd like to get this one finished.
> 
> Thanks
> Gary
> 
> On 19/09/17 17:11, Uri Simchoni via samba-technical wrote:
>> On 09/19/2017 07:03 AM, Andrew Bartlett wrote:
>>> On Tue, 2017-09-19 at 06:55 +0300, Uri Simchoni via samba-technical
>>> wrote:
>>>> On 09/18/2017 11:13 PM, Gary Lockyer via samba-technical wrote:
>>>>> Patch set to add a pre-fork process model
>>>>>
>>>>> Reviews appreciated
>>>>> Gary
>>>>>
>>>>
>>>>
>>>>> This option controls the number of worker processes that are
>>>>> +		started for each service when prefork process
>>>>> model is enabled
>>>>
>>>> Please correct me if I'm wrong, but isn't "process model" a
>>>> Samba-devel-internal concept?
>>>
>>> Sort of.  It is a concept that extends beyond Samba from Apache HTTPD,
>>> eg:
>>>
>>> http://httpd.apache.org/dev/whiteboard/process-model.html
>>> http://httpd.apache.org/docs/2.2/mod/
>>>
>>> It maps to this option to 'samba':
>>> -M, --model=MODEL                  Select process model
>>>
>>> Naturally better text would be most helpful in both spots, if you have
>>> some ideas.
>>>
>>
>> To be perfectly honest, I have only a vague idea of what "process model"
>> is. Having to know this never was part of my Samba work. One time I got
>> curious (maybe because for me, "Standard Model" is a term from particle
>> physics), so I skimmed Wiki and past mailing list threads and couldn't
>> find a useful answer. So this is why when a new patch set introducing a
>> new process model appeared, I had a look at the additions to the man
>> page and what I found was somewhat tautological. I hope you can see my
>> frustration - this is not nitpicking.
>>
>> I now see we have a rather useful definition in the samba.8 man page
>> (maybe it is incomplete but it sets the context). Reading that
>> definition helped me understand (hopefully) what the "prefork process
>> model" is all about. So what I'd like to propose is that "prefork" gets
>> covered in the samba.8 manpage (perhaps mentioning that only ldap
>> supports it and with other services it decays into single), and add a
>> reference to that on smb.conf.5.
>>
>> Thanks,
>> Uri.
>>> Thanks,
>>>
>>> Andrew Bartlett
>>>
>>
>>

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