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Allow Bufferpool Min_lru_dirty and Max_lru_dirty Threshold values to be altered dynamically
onparams -b can be used to add a new bufferpool and AUTO_LRU_TUNING are available on informix server but first only adds a bufferpool of a new page size and the latter only kicks in if some foreground writes occur on a server which ideally is neve...
I would like the ability to create database/SPL's using Informix 4GL syntax and features. I know forms and such wouldn't work but I could then leverage legacy into efficient data retrieval processes for for Java and Typescript to access
Expand DELETE syntax implementing LIMIT clause and maybe also ORDER BY. Delete syntax can be like: DELETE [FROM] tbl_name [WHERE where_condition ] [ORDER BY ...] [LIMIT row_count ] This limit + order by syntax is already implemented in other major...
Backup from RSS or HDR Secondaries using ontape, onunload, onbar, dbexport
In HDR enviroments, being able to backup or export databases from and HDR, HDR read-only, or an RSS secondary server is critical. Programs like ontape, onunload, dbexport, and onbar generate locks on tables during backups and data-exports. This cr...
L0 and L1 backups of informix are taking almost same time since it seems that is limited by disk reading performance: we are using IBM spectrum backup to backup.
From IFX logs we see that they are using /usr/informix/server12/bin/onbar_d...
We are trying to increase the usage of SP in our system environment. Migrating business code from 4GL to the database.But this process becomes very painful for our developers since the support for SPL is limited. Mainly the inexistence of a native...
Within Informix the username is defined as char(32). The Informix feature "Informix trusted context" enable Informix to be used with Federated Authentication, in such cases the impersonated user is identified using an email address. In view of thi...
When no suitable index is created, the optimizer does an "auto create index" for the query. This proposed index should be printed out to the online.log to help the admin to create the optimized indexes for the queries.
Informix has a rows/page limit of 255 rows/page. Perhaps this was not a problem originally but over time we have seen new features: larger page sizes (up to 16 kB against 2 kB or 4 kB previously, dependent on operating system). compression option....
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