RP/TUX 8.0/TUX 8.1 - poor performance under heavy load
(Doc ID 777220.1)
Last updated on JANUARY 19, 2018
Applies to:Oracle Tuxedo / Tuxedo / 8.0,8.1
Information in this document applies to any platform
DESCRIPTION: Under heavy load, a SHM application running on a multi-CPU host experiences heavy contention for the bulletin board lock. tmadmin bbi shows Average queue length: 10.06 When truss -u "libtux::*" -p <pid> is used to trace the behavior of one of the heavily-loaded Tux application servers, it shows that the process is updating its service cache before every tpcall() invocation. These cache updates appear to be unnecessary. CONFIGURATION: Tuxedo 8.0 Tuxedo 8.1
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