On Mon, Jan 3, 2011 at 11:15 AM, Fabio Mascarenhas <mascaren...@acm.org>wrote:
> With isolated=true WSAPI will run your scripts in a pool of Rings, and will
> collect and respawn the Rings periodically,
>
besides periodically, on any 4XX and on DELETE method it will be respawned
too? just for curiosity :-).
> so isolated=false is the behavior you want, as you are only running a
> single script anyway.
>
everything is working ok now, it took some time and a good read on the
source to understand this clearly.
Thanks for the help,
Katcipis
>
> --
> Fabio Mascarenhas
>
> On Wed, Dec 29, 2010 at 2:48 PM, Tiago Katcipis <katci...@inf.ufsc.br>wrote:
>
>>
>>
>> On Wed, Dec 29, 2010 at 11:31 AM, Tiago Katcipis <katci...@inf.ufsc.br>wrote:
>>
>>> Hi all,
>>>
>>> I'm having some problem using wsapi-fastcgi with lighthttpd. I got
>>> everything working fine, but every time an error occurs (any 4xx) or someone
>>> send a DELETE method request my script is reloaded. I don't want the script
>>> to reload because every time this happens i reconnect to the db and the
>>> older connections get lost and the db continues to consume resources (on
>>> this case is mongo db, a thread gets locked forever each time my script is
>>> reloaded).
>>>
>>> When there is no error 4XX or DELETE everything works as expected, the
>>> script is not reloaded on each request and the connection is reused (i run
>>> an init function when the script is loaded, but it is supposed to run only
>>> once and them handle the requests without reloading).
>>>
>>> Here is the configuration that i run the fastcgi:
>>>
>>> #!/usr/bin/lua
>>> local common = require "wsapi.common"
>>> local fastcgi = require "wsapi.fastcgi"
>>>
>>> local ONE_HOUR = 60 * 60
>>> local ONE_DAY = 24 * ONE_HOUR
>>>
>>> local wsapi_loader = common.make_loader{
>>> isolated = true, -- isolate each script in its own Lua
>>> state
>>>
>>
>> Taking a good look at the code i just changed the isolated = true to
>> false, so it would call the make_persistent_loader instead of the isolated.
>> It worked fine just as i expected, still don't know why with isolated = true
>> it reloads the script when returning a 4XX or receiving a DELETE.
>>
>> I'm working with only one script, so the problem seems resolved to me.
>>
>> Sorry for the noise.
>>
>> Best regards,
>> Katcipis
>>
>>
>>> filename = nil, -- if you want to force the launch of a single script
>>> launcher = "idlocutor.fcgi", -- the name of this script
>>> reload = false, -- if you want to reload the application
>>> on every request
>>> period = ONE_HOUR, -- frequency of Lua state staleness checks
>>> ttl = ONE_DAY, -- time-to-live for Lua states
>>> vars = -- order of checking for the path of the
>>> script
>>> { "SCRIPT_FILENAME",
>>> "PATH_TRANSLATED" }
>>> }
>>>
>>> fastcgi.run(wsapi_loader)
>>>
>>>
>>> i tried to take a look on wsapi.fastcgi and them on wsapi.commom to
>>> understand why it could be reloading my script, i understood that when the
>>> file is modified or reload is true it will reload the script on a new
>>> lua_State, but i was unable to find another moment when this is
>>> done..related to the errors (the rings logic is not too much easy to
>>> understand, specially to me, never used rings).
>>>
>>> this reload problem (or maybe expected behaviour....i don't know) is
>>> caused by wsapi? wsapi-fastcgi? or is something related to lighthttpd? (i
>>> doubt of that because the pid of the fastcgi process remains the same...it
>>> seems that wsapi is reloading the script internally) I'm kinda new to web
>>> development, sorry I'm asking something stupid.
>>>
>>>
>>> best regards,
>>> Katcipis
>>>
>>
>>
>>
>> --
>> http://www.getgnulinux.org/windows
>>
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>>
>
>
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