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We have identified that the most frequently used query in our environment is:
select
kh.kpivalue, kh.recordedon
from
kpimain k,
kpihistory kh
where
k.kpimainid = kh.kpimainid
and k.kpiname =?
order by
recordedon desc
This query is running very slowly. To address this, we created the following index, which resolved the performance issue:
create index kpihistory_bpd1 on kpihistory (kpimainid, recordedon, kpivalue);
Questions:
We have observed the same issue in other environments. Will IBM include this index in future releases, as it becomes slow when many KPIs are defined?
Idea priority | High |
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