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(ITS#3950) sched_yield() considered harmful

Full_Name: Bernardo Innocenti
Version: 2.2.26 to 2.3.5, possibly others
OS: Linux
URL: ftp://ftp.openldap.org/incoming/
Submission from: (NULL) (151.38.19.110)


Calling sched_yield() makes slapd slow down considerably
under load since kernel 2.6.

See:

  http://www.ussg.iu.edu/hypermail/linux/kernel/0508.2/0516.html