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https://www.ibm.com/support/knowledgecenter/en/SSEPGG_11.1.0/com.ibm.db2.luw.admin.dbobj.doc/doc/t0010405.html
In addition to the traditional page size of 4 KB, the POWER7 processors (and higher) on IBM® Power Systems also support variable page sizes. Applications such as IBM Db2 Version 11.1 for AIX, that require intensive memory access and that use large amounts of virtual memory can gain performance improvements by using large pages.
https://www.ibm.com/support/knowledgecenter/en/SSEPGG_9.7.0/com.ibm.db2.luw.admin.dbobj.doc/doc/t0010405.html
In addition to the traditional page size of 4 KB, the POWER4 processors (and higher) on System z® also support a 16 MB page size. Applications such as IBM® DB2 Version 9.7 for AIX, that require intensive memory access and that use large amounts of virtual memory can gain performance improvements by using large pages.
https://www.ibm.com/support/knowledgecenter/en/SSEPGG_10.5.0/com.ibm.db2.luw.admin.dbobj.doc/doc/t0010405.html
In addition to the traditional page size of 4 KB, the POWER4 processors (and higher) on System z® also support a 16 MB page size. Applications such as IBM® DB2 Version 10.5 for AIX, that require intensive memory access and that use large amounts of virtual memory can gain performance improvements by using large pages.
https://www.ibm.com/support/pages/large-huge-page-support-db2-luw
To enable the DB2 database system to use them, you must first configure the operating system to use large or huge pages. To enable large pages for agent private memory on 64-bit DB2 for AIX (the DB2_LARGE_PAGE_MEM=PRIVATE setting), you must configure large pages on the operating system and the instance owner must possess the CAP_BYPASS_RAC_VMM ...
https://www.ibm.com/support/knowledgecenter/SSEPGG_11.5.0/com.ibm.db2.luw.admin.dbobj.doc/doc/c0052382.html
To enable large page support in Db2 database systems on AIX® operating systems, you must configure some operating system parameters and then set the DB2_LARGE_PAGE_MEM registry variable. Pinning Db2 database shared memory (AIX) To pin Db2 database shared memory on AIX operating systems, you must configure some operating system parameters and ...
https://answers.sap.com/questions/7770139/large-page-support-for-db2-on-aix.html
Our systems administrators are recommending some changes for DB2 registry settings based on a few documents and performance improvements they have seen for Oracle. These would need to be enabled after large page support with the VMO command. Has anyo
http://www-01.ibm.com/support/docview.wss?uid=swg21986164
To enable large pages for agent private memory on 64-bit DB2 for AIX (the DB2_LARGE_PAGE_MEM=PRIVATE setting), you must configure large pages on the operating system and the instance owner must possess the CAP_BYPASS_RAC_VMM and CAP_PROPAGATE capabilities.
http://www-01.ibm.com/support/docview.wss?uid=swg21417752
CONFIGURING 4K PAGES FOR SHARED MEMORY: As of DB2 Version 9.1, DB2 uses 64K (medium) pages for shared memory on AIX platforms, when available. The following command modifies DB2 to use 4K memory pages for shared memory: db2set DB2_MEDIUM_PAGE_SUPPORT=OFF Changes to this registry variable take effect on the next instance recycle (db2stop;db2start).
http://www-01.ibm.com/support/docview.wss?uid=swg1IZ16855
DB2 Version 9.5 introduced support for dynamic adjustment of dat abase shared memory usage on additional operating systems ... UNIX, and Windows DB2 Version 9.5 Fix Pack 2a for Linux, UNIX, and Windows ... Due to incompatibilities between DB2's memory management and large-page DISM memory implementation, shared memory allocations have changed ...
http://www-01.ibm.com/support/docview.wss?uid=swg21456970
The following Db2 versions support the AIX 7.1 operating system: Db2 Version 9.1 ; Db2 Version 9.5 ; Db2 Version 9.7 ; Db2 Version 9.8 Fix Pack 3 or later ; Db2 Version 10.1 ; Db2 Version 10.5 ; Db2 Version 11.1; If you plan to install Db2 products on AIX 7.1 operating systems and are using the Db2 High Availability Feature, you must ensure ...
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