Unverified50% confidenceFactExact time
PostgreSQL allocates an independent transaction ID (XID) to each subtransaction and tracks the mapping between subtransactions and their parent transaction via the SLRU cache subsystem, with the mapping stored in the pg_subtrans directory.
1
Sources
50%
Confidence
Long-term
Relevance
9/12/2026
First Seen
Sources
Related Entities
Related Claims
VerifiedDify uses PostgreSQL as its relational database to store user data, application configurations, and conversation history.66% similarUnverifiedThe pg_stat_slru view, also introduced in PostgreSQL 13, can be used to monitor the cache hit rate and I/O statistics of the SLRU related to pg_subtrans.64% similarVerifiedThe pgvector extension adds vector storage and similarity search capabilities to PostgreSQL, enabling Supabase to serve simultaneously as a traditional database and a vector database.62% similarUnverifiedSupabase extends PostgreSQL with user authentication, file storage, and visual admin panels, providing a complete backend infrastructure out of the box.62% similarUnverifiedSLRU (Simple Least Recently Used) is a lightweight caching framework used internally by PostgreSQL to manage shared state; subsystems such as pg_subtrans and pg_clog are all built on it, organizing data in fixed-size pages (typically 8KB).62% similar
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