{"Entry":{"collection":"metric","key":"pg_stat_io-writeback_time","name":"pg_stat_io.writeback_time","aliases":["writeback_time","pg_stat_io"],"metadata":{"aliases":["writeback_time","pg_stat_io"],"category":"pg_stat_io","content_hash":"e08df7baa5bb68cfafeeaa6cab5a0066e53f1abf020b8254a6b9af5451951848","derived_content_hash":"253877211fe568c19620d5cd67025555792ca1afb6c3f570e0d620e032532990","imported_at":"2026-09-30T00:40:45.70468+08:00","name":"pg_stat_io.writeback_time","name_zh":"","slug":"pg_stat_io-writeback_time","summary":"Time spent waiting for writeback operations in milliseconds (if track_io_timing is enabled, otherwise zero). 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