Subversion Repositories wimsdev

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!set m_subject=Performance bug in 3.20
!set m_date=20020916
!set m_time=09:44:53
!set m_from=Gang XIAO
!set m_sender_ip=127.0.0.1
!set m_sender_id=
!set m_sender_class=
!set m_email=xiao@unice.fr
!set m_to=
!set m_prec=O200209/1
!set m_exists=yes
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<pre>
There is an important performance bug in WIMS-3.20:

Since 3.20, the spawning of child processes makes use of non-blocking waiting loop to keep runaway processes in check. This loop consumes quite a lot of CPU time (the parent process is always running whatever the child is doing), and slows down the response time.

This bug will be fixed in the next (bugfix) release due out in a few days, with the waiting loop replaced by an alarm based on the signal SIGALRM.</pre>
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There is an important performance bug in WIMS-3.20&#58;
<p>
Since 3.20, the spawning of child processes makes use of non-blocking waiting loop to keep runaway processes in check. This loop consumes quite a lot of CPU time (the parent process is always running whatever the child is doing), and slows down the response time.
<p>
This bug will be fixed in the next (bugfix) release due out in a few days, with the waiting loop replaced by an alarm based on the signal SIGALRM.