Last updated on MARCH 02, 2015
Applies to:Linux OS - Version Oracle Linux 6.1 with Unbreakable Enterprise Kernel [2.6.39] to Oracle Linux 6.6 with Unbreakable Enterprise Kernel [2.6.39] [Release OL6U1 to OL6U6]
'migration' kernel thread is hogging CPU when running many programs in parallel which call fork->execv.
The migration thread consumes several hundred milli-seconds each time, which could disturb the running user program.
The total CPU time of the migration thread is very large by using the top command like below.
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