Answer
Temp buffers store session-local temporary table data and bypass shared buffers, affecting performance based on temp_buffers.
Quick Answer
Temp buffers are session-local buffers for temporary tables (SET temp_buffers). Unlike shared_buffers (shared across all connections), temp buffers are private to each session. Default is 8MB per session. Increase if your session creates large temp tables. Shared buffers are allocated at startup from shared memory; temp buffers are allocated per session on demand from the session's heap.
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SugharaIQ Editorial Team
Verified Answer
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Source: SugharaIQ