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Results tagged with performance
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user 159895
An evaluation of whether a system works well enough to be fit for purpose. Normally performance refers to the speed with which a system completes an operation or set of operations over time.
0
votes
3
answers
1k
views
How can I improve the performance of this query?
I've tried to add an index on records.status, but the cardinality is so low (<5 unique values) a seq scan was still used.
The query:
select distinct "events".* from "events"
inner join (select "rec …
- 23
2
votes
1
answer
1k
views
Slow PostgreSQL query analysis, low memory usage, high writes
I'm having issues with the following query in PostgreSQL 10.5.
Using pg_activity while the query runs show that only ~400 MB of RAM is used.
I also noticed that the planner estimates seem to be pret …
- 23