40 lines
1.8 KiB
Markdown
40 lines
1.8 KiB
Markdown
|
## Description
|
||
|
|
|
||
|
|
As the name implies, the purpose of the template is to detail underperforming queries for futher investigation.
|
||
|
|
|
||
|
|
### Steps
|
||
|
|
|
||
|
|
- [ ] Rename the issue to - `Query Performance Investigation - [Query Snippet | Table info]`
|
||
|
|
- For example - `Query Performance Investigation - SELECT "namespaces".* FROM "namespaces" WHERE "namespaces"."id" = $1 LIMIT $2`
|
||
|
|
- [ ] Provide information in the Requested Data Points table
|
||
|
|
- [ ] Provide [priority and severity labels](https://about.gitlab.com/handbook/engineering/quality/issue-triage/#availability)
|
||
|
|
- [ ] If this requires immediate attention cc `@gitlab-org/database-team` and reach out in the #g_database slack channel
|
||
|
|
|
||
|
|
### Requested Data points
|
||
|
|
|
||
|
|
Please provide as many of these fields as possible when submitting a query performance report.
|
||
|
|
|
||
|
|
- TPS
|
||
|
|
- Duration
|
||
|
|
- Source of calls (Sidekiq, WebAPI, etc)
|
||
|
|
- Query ID
|
||
|
|
- SQL Statement
|
||
|
|
- Query Plan
|
||
|
|
- Query Example
|
||
|
|
- Total number of calls (relative)
|
||
|
|
- % of Total time
|
||
|
|
|
||
|
|
<!--
|
||
|
|
|
||
|
|
- Example of a postgres checkup report - https://gitlab.com/gitlab-com/gl-infra/infrastructure/-/snippets/2056787
|
||
|
|
- Epic - Improving the Database resource usage (&365) - https://gitlab.com/groups/gitlab-com/gl-infra/-/epics/365#short-term-query-improvements
|
||
|
|
- Past examples of query performance investigations that have led to this template creation.
|
||
|
|
- Possible Index suggestion or query rewriting (#292454) - https://gitlab.com/gitlab-org/gitlab/-/issues/292454)
|
||
|
|
- High number of Sessions to the database with the value SET parameter (#292022) - https://gitlab.com/gitlab-org/gitlab/-/issues/292022)
|
||
|
|
- Query performance "Select 1" (#220055) - https://gitlab.com/gitlab-org/gitlab/-/issues/220055
|
||
|
|
- Select statements that are in execution during database CPU utilization peak times - licenses table (#292900) - https://gitlab.com/gitlab-org/gitlab/-/issues/292900
|
||
|
|
|
||
|
|
-->
|
||
|
|
|
||
|
|
/label ~"group::database" ~"database::triage"
|