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2answers
418 views

Apache executed only one request and all other requestes wait first to finish

I have a basic install of Apache2 server and PHP5.3 on my local Ubuntu machine. I created file index.php and put sleep 30 seconds in it <?php sleep(30); // script sleep 30s ?> When i run "...
2
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1answer
92 views

Apache could not be stablely support more than 200 visitors at the same time. How to set mpm module?

The server seems not be able to support almost two or three hundred people visiting at the same time. We upload some new codes in Nov. 29the and people saw 404 Not Found frequently ever since that ...
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0answers
10 views

Is it ever possible to specify ORTED arguments via mpirun?

I'm using OpenMPI 1.10.0 and yesterday was black to me: ORTED daemon is now unable to launch. Admin guys configured our two machine cluster so that these machines talk to each other via Infiniband ...
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0answers
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ksoftirqd using up 100% of one core when using Netmap?

Observations: When netmap pkt-gen is run on one core and one thread: top shows pkt-gen using up 100% of CPU and ksoftirqd using up about 90-98% of CPU When netmap pkt-gen is run on two cores and ...