'Re: [uWSGI] sqlite blocking or not?'

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List:       uwsgi
Subject:    Re: [uWSGI] sqlite blocking or not?
From:       Alain Meunier <deco33 () hotmail ! fr>
Date:       2014-04-19 17:20:07
Message-ID: DUB121-W17B56038B9115B25C2BBFEB75C0 () phx ! gbl
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Please forget it,

it will block as attended. Wrong configuration of mine.

Sorry :)

From: deco33@hotmail.fr
To: uwsgi@lists.unbit.it
Date: Sat, 19 Apr 2014 18:08:01 +0200
Subject: [uWSGI] sqlite blocking or not?

Hello,

I am not sure if I do things correctly.

Right now, my setup is working with a request done to sqlite through uwsgi.

Here is the way I connect to uwsgi :
uwsgi --plugin http_plugin.so --plugin lua_plugin.so --http :30031 --http-modifier1 6 \
--lua /path/to/test.lua --async 8

The script does a sqlite connection which deliberatly lasts about 2 seconds (to test \
the concurrency).

I feared that it would block me since sqlite doesn't have a server. And that it would \
break uwsgi unblocking nature.

But it seems that I can manage to get concurrency even without async or async 1.
Curl requests will still work in parallel.

That is why I wonder if I get the "blocking" point.

This database is read-only, so no write locks.

Could someone confirm that my current setup enables -massive- concurrency and more \
important, that I am not missing something on the way ?

Thanks,

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<body class='hmmessage'><div dir='ltr'>Please forget it,<br><br>it will block as \
attended. Wrong configuration of mine.<br><br>Sorry :)<br><br><div><hr \
id="stopSpelling">From: deco33@hotmail.fr<br>To: uwsgi@lists.unbit.it<br>Date: Sat, \
19 Apr 2014 18:08:01 +0200<br>Subject: [uWSGI] sqlite blocking or not?<br><br>

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<div dir="ltr">Hello,<br><br>I am not sure if I do things correctly.<br><br>Right \
now, my setup is working with a request done to sqlite through uwsgi.<br><br>Here is \
the way I connect to uwsgi :<br>uwsgi --plugin http_plugin.so --plugin lua_plugin.so \
--http :30031 --http-modifier1 6 --lua /path/to/test.lua --async 8<br><br>The script \
does a sqlite connection which deliberatly lasts about 2 seconds (to test the \
concurrency).<br><br>I feared that it would block me since sqlite doesn't have a \
server. And that it would break uwsgi unblocking nature.<br><br>But it seems that I \
can manage to get concurrency even without async or async 1.<br>Curl requests will \
still work in parallel.<br><br>That is why I wonder if I get the "blocking" \
point.<br><br>This database is read-only, so no write locks.<br><br>Could someone \
confirm that my current setup enables -massive- concurrency and more important, that \
I am not missing something on the way ?<br><br>Thanks,<br> 		 	   		  </div> \
<br>_______________________________________________ uWSGI mailing list
uWSGI@lists.unbit.it
http://lists.unbit.it/cgi-bin/mailman/listinfo/uwsgi</div> 		 	   		  </div></body>
</html>

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