Aix Java Large Page Support

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Large pages - IBM

    https://www.ibm.com/support/knowledgecenter/en/ssw_aix_71/performance/large_page_ovw.html?origURL=ssw_aix_71/com.ibm.aix.performance/large_page_ovw.htm
    AIX does not provide paging support for large pages. The data of an application that is backed by large pages remains in physical memory until the application completes. The data of an application that is backed by large pages remains in physical memory until the application completes.

Configuring large page memory allocation

    https://www.ibm.com/support/knowledgecenter/SSYKE2_8.0.0/com.ibm.java.vm.80.doc/docs/j9_configure_large_page.html
    AIX® requires special configuration to enable large pages. You must also configure an application to request large page backing before you start the application, which can be controlled by using the LDR_CNTRL environment variable.

AIX download and service information - Java SDK

    https://developer.ibm.com/javasdk/support/aix-download-service/
    Developer Kits for Java Standard Edition on AIX This page contains download and service information for IBM Developer Kits and IBM Websphere Real Time on AIX. Before you can download code, you need an IBM Registration ID. You can read about IBM Registration here. Java service information provides further details about IBM support for these […]

Enabling large page support (AIX) - IBM

    https://www.ibm.com/support/knowledgecenter/en/SSEPGG_11.1.0/com.ibm.db2.luw.admin.dbobj.doc/doc/t0010405.html
    Enabling large page support (AIX) 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.

IBM AIX: Java process size monitoring ~ Java EE Support ...

    https://javaeesupportpatterns.blogspot.com/2012/11/ibm-aix-java-process-size-monitoring.html
    Nov 11, 2012 · IBM AIX: Java process size monitoring. ... I highly recommend this read to any individual involved in production support or development of Java applications deployed on AIX. ... Each page can have a size of 4 KB (small page), 64 KB (medium page) or 16 MB (large page). Typically for a 64-bit Java process you will see a mix of all of the above ...

How to enable Large Page Feature on AIX-Based Systems

    https://support.oracle.com/knowledge/Oracle%20Database%20Products/372157_1.html
    IBM AIX on POWER Systems (64-bit) Goal. To enable Large Page Feature on AIX-Based Systems like AIX V5.1 OS when running on IBM POWER4 or POWER5 processors, pSeries systems support Large Page. See: Oracle Database Administrator's Reference 10g Release 2 (10.2) for UNIX-Based Operating Systems Part Number B15658-05-or-

IBM AIX: Java Process Size Monitoring - DZone Performance

    https://dzone.com/articles/ibm-aix-java-process-size
    IBM AIX: Java Process Size Monitoring ... involved in production support or development of Java applications deployed on AIX. ... 16 MB (large page). Typically for a 64-bit Java process you will ...

Support of Large Files in AIX

    https://www.ibm.com/support/pages/support-large-files-aix
    --> Use a file system that is large file enabled or create one that is large file enabled Or-> Back up, remove and recreate the file system large file enabled and then restore from backup the filesystem that you intend to use. 2. The fsize ulimit setting for root and the user must be large enough to support the file size being created.

IBM Java for AIX HowTo: Troubleshoot 'java -version' hang ...

    http://www-01.ibm.com/support/docview.wss?uid=isg3T1025094
    IBM Java for AIX HowTo: Troubleshoot 'java -version' hang or timeout issue ... the IBM AIX Java Support team will confirm that all of these steps have been completed since this is a well known and documented issue. ... are not configured to use large pages and cannot use this pinned large page memory. Hence, less memory is available to these ...

Enabling large pages on Oracle Database 11g running on IBM AIX

    https://blog.pythian.com/enabling-large-pages-oracle-database-11g-running-ibm-aix/
    Apr 04, 2016 · Large Pages is useful when memory on server is large and your SGA is going to be large too. For example when you have 100G of memory on your AIX server and you are planning SGA with size of 64G, if you go with default page size which is 4K on AIX, then you will have more than 16 millions of pages for your SGA at OS level, but if you go with 16M page size. total pages at OS level will be …



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