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Enhance availability of readahead performance details
With the ubiquity of intelligent storage, the value of readahead in the Informix server is reduced and excessive readahead can be detrimental to performance. However, since the introduction of the AUTO_READAHEAD parameter and the associated change...
There are important basic features are missing in InformixHQ tool shipped with Informix 14.10XC2 version. Without these basic features, it would be hard for us to use the tool to quickly identify specific information looking for , specially when d...
Allow STOP_APPLY functionality when RSS is disconnected from the Primary
Currently Informix supports a Primary and multiple RSS servers. We have one of the RSS servers with the DELAY_APPLY config set to 12H and the 12 hours of logs get stored on the RSS server in the LOG_STAGING_DIR. Informix currently supports rolling...
create a foreign key allowing one to one tables relationships
Our Primary Key and Foreign key constraints always have allowed creaing and ensuring '1 to many' table relationships. After researching, there is no direct way to implement such a case with Informix. The only safe way is to create a primary key on...
Enhance EXPLAIN in order to no longer need Informix server access
Currently Informix EXPLAIN generates a server side file. For developers that are working from remote machines, it becomes problematic to retrieve the explain files when they have restricted access to the Informix Server machine.
There are 2 undoc...
log capture from Read only secondary / updatable secondary
Currently I can on;y read log data from primary for CDC. I woule like to request
I read the transaction logs from read only secondary server (and not primary) as Informix source for CDC and apply to target.
Informix AIO tunig options in the way kernel resources are allocated (aio-nr).
When you bring up a instance of the Informix Server which uses KAIO the instance goes out and takes 50% of the aio-nr resources from what I have been able find. then when a second instance comes up it took like 75% of the resources left and then a...
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