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Add metrics for reverse index scans and number of retries.
As per APAR IT37120: CONCURRENT QUERIES USING REVERSE SCAN OF INDEX WITH MANY DELETEDENTRIES MAY ENCOUNTER POOR PERFORMANCE
reverse index scans can require a retry.
Add metrics for number of reverse scans per partition and number of retries.
Allow DDL changes on a table with full row logging
We want to use CDC to replicate data changes to a different system. We do schema changes once a month, and this complicates things a lot. According to our vendor, this is a limitation for Informix only, other source systems can hande DDL changes t...
The new 14.10.FC6 feature to be able to run backups on an RSS node would be useful to reduce load on the Primary.We would like an onconfig parameter to allow backups on the RSS even when there are raw tables.We would expect the raw tables to have ...
We are checking if we can use Informix HQ for our Production system. We have noticed Informix HQ doesn't have AD integration on it. There's not much auditing /logging on what has changed on the Informix HQ.
Perform update statistics based on selected Fragments of a table
This idea is to run update statistics based on selected fragment(s) to refresh table update statistics on latest or selective fragments only. As there are considerable number of fragmented transactional tables are located under current databases t...
Add configurable per session/per PDQ thread log cache similar to Sybase user log cache.
For high volume environments OLTP environments e.g. thousands of sessions and HDR/RSS nodes add a per session/PDQ thread log cache. This is flushed to the physical and logical log buffers either when full or at transaction commit time.