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Category: Syscache

YugabyteDB Tips > Catalog > Catalog Caching > Syscache

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 […]

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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 […]

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