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mgedmin | nacguest (who is not in the channel any more): you need a new bootstrap.py, see buildout's changelog | 08:41 |
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pcaro | Hi all, my zope clients (Zope2-2.12.11) allways start with 5 theads although zserver-threads is 2 in my zope.conf file. I cannot find why using google. I have 16 instances in a 8 cores machines and the GIL is making a poor performance. Any ideas, please? | 13:21 |
betabug | are you using zeo? | 13:24 |
pcaro | yes | 13:24 |
betabug | hmm, my first thought would be to check if you really edit the config file that the instance uses | 13:25 |
pcaro | zeo with separated catalgo | 13:25 |
pcaro | yes, checked twice!! | 13:25 |
pcaro | betabug: I edit the file Startup/run.py load with -C option. | 13:27 |
pcaro | betabug: I see 5 threads in htop and "ps -eLf" | 13:27 |
pcaro | betabug: My munin z2server-theads is saying 5 too | 13:28 |
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betabug | no idea then | 13:29 |
betabug | sorry | 13:29 |
betabug | maybe someone else has some idea, but you need some patience in this channel | 13:29 |
pcaro | I am pretty sure that using 2 threads performance is going to rise. I see a lot of Interrupts and context switches in munin | 13:29 |
pcaro | thanks betabug | 13:30 |
pcaro | betabug: one question, the correct mail list to send the problem? | 13:31 |
betabug | probably zope@zope.org | 13:32 |
pcaro | thanks betabug | 13:35 |
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mgedmin | pcaro, there's one main thread that does network communication, 2 worker threads that process http requests, and one ZEO client communication thread | 15:55 |
mgedmin | I don't know about the last one | 15:55 |
mgedmin | https://plone.org/products/deadlockdebugger might give you a hint | 15:56 |
mgedmin | there should be a newer version or something that fdoesn't need "threadframe-0.2" | 15:56 |
mgedmin | the necessary introspection apis have been added into cpython's stlib ages ago | 15:57 |
mgedmin | pcaro, http://stackoverflow.com/questions/1032813/dump-stacktraces-of-all-active-threads lists newer tools | 15:57 |
mgedmin | in my zope 3 apps there's one extra thread from zope.sendmail that sends queued emails asynchronously | 15:58 |
mgedmin | I've no idea if zope 2 uses that | 15:58 |
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