https://docs.oracle.com/cd/E28853_01/html/E28858/z4001b331393534.html
Active mempm Should Balance Cage Assignment Across All Nodes (15944881) - SPARC T5-2 Server Product...
This issue has been fixed in Oracle Solaris 11.1 SRU 11.1.6.4. On large T5 or M5 domains, certain workloads might exhibit unexpected poor performance or...