RFE stands for “Request for Enhancement”. IBM has this program for a number of products, but until late 2016, the RFEs for DB2 on LUW were not publicly available to vote on. Now they are, and we’re seeing action on them.… Read the restContinue reading »
Some applications are really good at continually trying to re-establish connections to a database. This can be useful when I want to quickly bounce the database and have the app reconnect without also having to bounce the app. It is problematic when I need DB2 to be down and stay down, but still allow me to work with it.… Read the restContinue reading »
Since DB2 9.7, you have been able to reduce the size of tablespaces using the statement:
ALTER TABLESPACE USERSPACE1 REDUCE MAX
Using this functionality, however, requires that the tablespace uses automatic storage and that it was created with the reclaimable storage attribute.… Read the restContinue reading »
There have been a few times in my career when DB2 has blown me away with an ability to stay up when I would have given really good odds that it should be unavailable. It’s been a few years since the last time that happened, and this was an interesting lesson in transaction logging.… Read the restContinue reading »
UPDATE, 10/21/2015: Please see the comment from IBM at the end stating that despite the information they gave Jim via PMR, this compression does not cause a lack of license compliance even if you are not licensed for compression.
Abby Rosmarin said, “Hard work, determination and talent are key for any successful venture.… Read the restContinue reading »
It’s a question I hear frequently – How can I speed up backups? I thought I’d share some details on doing so.
Any backup cannot be faster than it takes to back up the largest tablespace. Parallelism is essentially done on the tablespace level – meaning one thread per tablespace.… Read the restContinue reading »