Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

[YSQL] Cost Based Query Optimization Improvements #10177

Open
tanujnay112 opened this issue Oct 4, 2021 · 0 comments
Open

[YSQL] Cost Based Query Optimization Improvements #10177

tanujnay112 opened this issue Oct 4, 2021 · 0 comments
Assignees
@tanujnay112 @ramsrivatsa @sushantrmishra
Labels
area/ysql Yugabyte SQL (YSQL) current-roadmap kind/enhancement This is an enhancement of an existing feature priority/medium Medium priority issue roadmap-tracking-issue This issue tracks a major roadmap item, and usually appears in the roadmap list.

Comments

@tanujnay112
Copy link
Contributor

tanujnay112 commented Oct 4, 2021 •
edited by sushantrmishra
Loading

Jira Link: DB-1278
This issue tracks the effort to improve cost model and bring in basic functionality for more accurately differentiating between indexes.

Status Feature GitHub Issue
⬜️ Selectivity Estimation using pg_stats
⬜️ Index correlation estimation using pg_stats
⬜️ Select better index for a simple query with two indexes #10840
⬜️ Update selfuncs.c::get_actual_variable_range() to support LSM trees #11068
⬜️ Primary Key Selectivity is inaccurate #12941
⬜️ Handle yb_hash_code clause selectivity #11193
⬜️ Revisit costing functions for YB scans #9494
⬜️ Define new cost model for joins #12079
⬜️ I/O and CPU Costing
⬜️ Query planner sometimes estimates inordinately high costs for Index Scan #6946
⬜️ Use geo-location (tablespace) as a cost component in query planner #7535
@tanujnay112 tanujnay112 added area/ysql Yugabyte SQL (YSQL) roadmap-tracking-issue This issue tracks a major roadmap item, and usually appears in the roadmap list. labels Oct 4, 2021
@sushantrmishra sushantrmishra mentioned this issue Mar 22, 2022
Open
@sushantrmishra sushantrmishra self-assigned this Mar 23, 2022
@sushantrmishra sushantrmishra changed the title [YSQL] Cost Based Query Optimization Improvements for Index Selection [YSQL] Cost Based Query Optimization Improvements Apr 8, 2022
@yugabyte-ci yugabyte-ci added kind/bug This issue is a bug priority/medium Medium priority issue labels Jun 8, 2022
@yugabyte-ci yugabyte-ci added kind/enhancement This is an enhancement of an existing feature and removed kind/bug This issue is a bug labels Aug 26, 2022
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
Assignees

@tanujnay112 tanujnay112

@ramsrivatsa ramsrivatsa

@sushantrmishra sushantrmishra

Labels
area/ysql Yugabyte SQL (YSQL) current-roadmap kind/enhancement This is an enhancement of an existing feature priority/medium Medium priority issue roadmap-tracking-issue This issue tracks a major roadmap item, and usually appears in the roadmap list.
Projects
YQL-beta
Status: No status
Milestone
No milestone
Development

No branches or pull requests
5 participants
@tanujnay112 @ramsrivatsa @premkumr @sushantrmishra @yugabyte-ci