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XTIVIA BLOG

Advice, frequently asked questions, best practices knowledge, and free error resolution. You might be surprised what insights you gain from blog authors at XTIVIA.
Allocation of Primary Logs in DB2

Allocation of Primary Logs in DB2

Recently, we noticed on a staging environment that the LOGPRIMARY setting was set to 35, yet the number of logs on the log path was only 21. Number of primary log files (LOGPRIMARY) = 35 35 Number of secondary log files (LOGSECOND) = 45 45 db2inst1# ls -ltr total 13440704...

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Understanding DB2 LUW Error Messages

Understanding DB2 LUW Error Messages

DB2 LUW Error Messages are some of the more descriptive ones I have seen in the computing world, but maybe everyone thinks that about their chosen specialty. Truly understanding error messages can take a bit of practice and knowledge, so I thought I would share a few tricks and...

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DB2’s Self-Tuning Memory Manager (STMM)

DB2’s Self-Tuning Memory Manager (STMM)

DB2's Self-Tuning Memory Manager (STMM) was introduced in DB2 9.1. The default for new, single-partition databases was ON from the beginning. What is STMM? DB2's Self-Tuning Memory Manager can allocate and change the size of specific memory areas including the total memory used...

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