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Need DB2 LUW to support NUMA processor technology on Windows
The NUMA processor group technology is currently not supported by DB2 v10.5 and up for Windows. I would like IBM to add support for this feature in DB2 v10.5 and up as soon as possible in order to take full advantage of my server. (Currently runni...
DB2TCP_CLIENT_KEEPALIVE_TIMEOUT doesn't work on Linux
DB2 unable to detect dead network card on server when setting registry variable DB2TCP_CLIENT_KEEPALIVE_TIMEOUT. Since it does not detect the dead network card, this prevents automatic client re-route from starting. Problem is specific to Linux pl...
better logging for stack overflow, ulimit stack to small
With this PMR we were searching quite hard for the reason, why a 3rd-party-software was dying with segmentation fault in dynamic linked shared library libdb1.so We could only see:Feb 18 09:01:56 smtcb00254 kernel: [1270273.292859] os4x_licinfo[365...
Currently, when you install DB2 10.1 on AIX, it assumes that you want to use IOCP. But not only does it default DB2_USE_IOCP to ON, it also turns on IOCP at the AIX level. Some customers (including us) have bad experiences of IOCP and do not want ...
wait-for-delay functionality (server side sleep without spinning CPU)(RIMS)
Customer requests the ability to add a server-side sleep function that does not consume CPU or require an external routine. Such a routine would be useful in that it can be added to an SQL procedure to perform a sleep/delay, without having to intr...
Method to prevent DB2 from modifying operating system tunables; print diag msg instea(RIMS)
Goldman Sachs deploys hundreds of db2 database instances. Many of these instances are configured to consume predefined resources in a system shared with other instances or dbms' or applications. In many cases, these instances are duplexed via QRep...
DB2 can be installed on AUFS, but database instances cannot be created (see https://github.com/jeffbonhag/db2-docker/issues/2#issuecomment-52920986). DB2 express (and every other edition) uses O_DIRECT to access the file system, which is not avail...
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