YugabyteDB Tips
  • Home
  • About
  • Featured Videos

Category: Negative Caching

YugabyteDB Tips > Catalog > Catalog Caching > Negative Caching

Diagnosing a Persistent pg_range Catalog Read in YugabyteDB

Jim KnicelyJuly 30, 2026

When tuning YSQL queries with EXPLAIN (ANALYZE, DIST), you will often notice that the first execution performs several catalog reads while later […]

Read More

Find YugabyteDB Syscache IDs for yb_neg_catcache_ids

Jim KnicelyJuly 22, 2026

YSQL relies heavily on PostgreSQL’s system catalog cache, commonly called the catcache, to avoid repeatedly reading metadata from system catalog tables such […]

Read More

NOTICE

This site is not affiliated, endorsed or associated with YugabyteDB. This site makes no claims on ownership of trademark rights. The author contributions on this site are licensed under CC BY-SA 3.0 with attribution required.

Find Us

Address
Here!

Hours
24×7

Recommended YugabyteDB Links

  • Home
  • Key Concepts
  • Docs
  • Blog
  • Forum
  • Content Library
  • Support



YugabyteDB Tips

Copyright 2025 - Knicely/Li