https://github.com/hiejulia/sql-tuning

Database and JVM tuning techniques.
https://github.com/hiejulia/sql-tuning

mysql performance-tuning postresql sql-tuning

Last synced: 6 months ago
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Database and JVM tuning techniques.

• Host: GitHub
• URL: https://github.com/hiejulia/sql-tuning
• Owner: hiejulia
• Created: 2018-03-31T07:30:47.000Z (over 7 years ago)
• Default Branch: master
• Last Pushed: 2019-10-01T21:08:21.000Z (about 6 years ago)
• Last Synced: 2025-02-08T21:46:19.933Z (8 months ago)
• Topics: mysql, performance-tuning, postresql, sql-tuning
• Language: Java
• Homepage:
• Size: 10.7 KB
• Stars: 0
• Watchers: 2
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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# sql-tuning

Performance tuning for the serverside 

+ Database 

+ 

### Stack 

+ PostgreSQL

+ Spring Boot 

### SQL tuning with Postgresql 

+ Database index:

    + Measure query and index block statistics 

    + Index lookup 

    + Compare index scans and sequential scans

    + Clustering against index

    + Concurrent index 

    + Combined index 

    + Partial index 

    + Finding unused index 

    + Forcing a query to use index 

    + Detecting missing index 

    

+ Query optimization 

    + Timing overhead 

    + Hot and code cache

    + Clear the cache 

    + Query plan node structure 

    + Generate `explain` plan 

    + Computing basic cost 

    + Run sequential scans

    + Run bitmap heap and index scan 

    + Aggregate and hash aggregate 

    + Grouping

    + Work with set operation

    + Run a CTE scan 

    + Nesting loops 

    + Working with merge and hash join 

    + Working on semi and anti joins 

+ Database monitoring and performance

    + Check active session  

    + Find blocked session 

    + Deal with deadlocks 

    + Table access statistics

    + Routine reindexing 

    + Log slow statements

    + Disk usage

    + Page corruption

    + Planner statistics

    + Tuning with background writer statistics

    + Postgresql : catalog views, views, extensions to monitor 

+ 3rd party replication management utilities 

    + Set up Barman 

    + Back up and recovery using Barman 

    + Set up omniPITR

    + WAL management 

    + Set up Repmgr to create Replica 

    + Set up Walctl to create replica 

    

+ High availability and replication 

    + Set up hot streaming replication / master-slave streaming replication 

    + Replication using some other tools 

+ Connection pooling and database partitioning

    + install pgpool