Whenever NB_dbsrv server service starts, CPU load goes very high.

Problem

NB_dbsrv running at 100% at all times


 

Error Message

 Truss of NB_dbsrv process shows futex messages with timeout message

Cause

This issue is due to Leap second insertion by the Linux kernel 'futex' system call

Solution

RedHat Linux
Resolve Leap Second Issues in Red Hat Enterprise RedHat Linux
https://access.redhat.com/articles/15145


SUSE Linux
Fixes and workaround to avoid issues caused by Leap Second 2015
https://www.novell.com/support/kb/doc.php?id=7016150

 


For more information, see references below.
 

From articles above, this applies to:

Environment OS version related with futex() issue: 
    Red Hat Enterprise Linux versions 6
    SUSE Linux Enterprise Server 11 Service Pack 1 (SLES 11 SP1)
    SUSE Linux Enterprise Server 11 Service Pack 2 (SLES 11 SP2)
    SUSE Linux Enterprise Server 11 Service Pack 3 (SLES 11 SP3)
    

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