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DEPESZ / Pg-Explain-2.8 / t / 82-io-timings-changed.d / 14.txt 

            

              
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Aggregate  (cost=20857.57..20857.58 rows=1 width=48) (actual time=65.193..67.001 rows=1 loops=1)
  Buffers: shared hit=192 read=11332
  I/O Timings: read=16.528
  ->  Gather  (cost=20857.34..20857.55 rows=2 width=72) (actual time=65.113..66.987 rows=3 loops=1)
          Workers Planned: 2
          Workers Launched: 2
        Buffers: shared hit=192 read=11332
        I/O Timings: read=16.528
        ->  Aggregate  (cost=19857.34..19857.35 rows=1 width=72) (actual time=63.189..63.190 rows=1 loops=3)
              Buffers: shared hit=192 read=11332
              I/O Timings: read=16.528
              ->  Seq Scan on depesz depesz  (cost=0.00..15690.67 rows=416667 width=58) (actual time=0.019..19.849 rows=333333 loops=3)
                    Buffers: shared hit=192 read=11332
                    I/O Timings: read=16.528
Planning:
  Buffers: shared hit=56
Execution time: 67.051 ms