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https://www.ibm.com/support/knowledgecenter/en/SSEPGG_10.1.0/com.ibm.db2.luw.admin.config.doc/doc/r0000264.html
The application support layer heap represents a communication buffer between the local application and its associated agent. This buffer is allocated as shared memory by …
http://www-01.ibm.com/support/docview.wss?uid=swg21584577
Connection to a database could fail with SQL1221N. $ db2 connect to SAMPLE SQL1221N The Application Support Layer heap cannot be allocated. SQLSTATE=57011 This could be due to hitting the kernel limit for ShmSeg.
https://www.ibm.com/support/pages/db2-connect-database-can-fail-sql1221n
Connection to a database could fail with SQL1221N. $ db2 connect to SAMPLE SQL1221N The Application Support Layer heap cannot be allocated. SQLSTATE=57011 This could be due to hitting the kernel limit for ShmSeg.
https://www1.columbia.edu/sec/acis/db2/db2d0/db2d0163.htm
The initial query heap allocated will be the same size as the application support layer heap, as specified by the aslheapsz parameter. The query heap size must be greater than or equal to two (2), and must be greater than or equal to the aslheapsz parameter.
http://etutorials.org/Misc/advanced+dba+certification+guide+and+reference/Chapter+8.+Performance+Tuning/Configuration+Parameter+Tuning/
The size of the application support layer heap is allocated from shared memory for each UDF and stored procedure process or thread that is active on the system. Configuring. The following formula should be used to calculate a minimum number of pages for the application support layer heap.
https://www.ibm.com/support/docview.wss?uid=swg1IC61067
The TSM 6.1.0 server can crash after running normally for some period of time. The time period can vary, depending on load, from days to possibly weeks. The cause is that the TSM database is attempting to exceed the system limitation for maximum number of semaphore arrays, message queues, or application support layer heap.
https://www.columbia.edu/sec/acis/db2/db2m0/sql1200.htm
SQL1221N The Application Support Layer heap cannot be allocated. ... SQL1222N Not enough storage is available in the Application Support Layer heap to process the request. Cause: All available memory in the Application Support Layer heap has been used. Action: ...
https://www.ibm.com/support/knowledgecenter/en/SSEPGG_10.5.0/com.ibm.db2.luw.admin.config.doc/doc/c0060794.html
aslheapsz - Application support layer heap size configuration parameter The application support layer heap represents a communication buffer between the local application and its associated agent. This buffer is allocated as shared memory by each database manager agent that is started. audit_buf_sz - Audit buffer size configuration parameter
https://otda.ny.gov/programs/heap/
The Home Energy Assistance Program (HEAP) helps low-income people pay the cost of heating their homes. If you are eligible, you may receive one regular HEAP benefit per program year and could also be eligible for emergency HEAP benefits if you are in danger …
https://it.toolbox.com/question/sortheap-error-122005
Hi Lekharaju / Group, Please find the Details provided below as per your request. For ur info..... Recently i have increased the sheapthres = 150000,because private sort heap high water mark is showing 13,0000.... after changing sheapthres, it showed me not enough memory available in the db2diag.log, so i have revert it back
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