36 lines
752 B
SQL
36 lines
752 B
SQL
--------------------------------------------------------------------------------
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--
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-- File name: prefetch.sql
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-- Purpose: Show KCB layer prefetch
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--
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-- Author: Tanel Poder
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-- Copyright: (c) http://www.tanelpoder.com
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--
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-- Usage:
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--
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--
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-- Other:
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--
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--
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--
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--------------------------------------------------------------------------------
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col "BLOCKS/OP" for 999.9
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select
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p.id
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, p.name
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, p.block_size
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, pf.timestamp
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, pf.prefetch_ops ops
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, pf.prefetch_blocks blocks
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, pf.prefetch_blocks / pf.prefetch_ops "BLOCKS/OP"
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from
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X$KCBKPFS pf
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, v$buffer_pool p
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where
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pf.BUFFER_POOL_ID = p.id
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and pf.prefetch_ops > 0
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order by
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pf.timestamp
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/
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