104 lines
5.5 KiB
MySQL
104 lines
5.5 KiB
MySQL
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-- +----------------------------------------------------------------------------+
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-- | Jeffrey M. Hunter |
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-- | jhunter@idevelopment.info |
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-- | www.idevelopment.info |
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-- |----------------------------------------------------------------------------|
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-- | Copyright (c) 1998-2012 Jeffrey M. Hunter. All rights reserved. |
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-- |----------------------------------------------------------------------------|
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-- | DATABASE : Oracle |
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-- | FILE : temp_sort_segment.sql |
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-- | CLASS : Temporary_Tablespace |
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-- | PURPOSE : List all temporary tablespaces and details about the actual |
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-- | sort segment. The statistics that come from the v$sort_segment |
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-- | view depicts the true space within the temporary segment at |
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-- | this current time. This script is RAC enabled. |
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-- | NOTE : As with any code, ensure to test this script in a development |
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-- | environment before attempting to run it in production. |
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-- +----------------------------------------------------------------------------+
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SET TERMOUT OFF;
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COLUMN current_instance NEW_VALUE current_instance NOPRINT;
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SELECT rpad(instance_name, 17) current_instance FROM v$instance;
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SET TERMOUT ON;
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PROMPT
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PROMPT +------------------------------------------------------------------------+
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PROMPT | Report : Temporary Sort Segments |
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PROMPT | Instance : ¤t_instance |
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PROMPT +------------------------------------------------------------------------+
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SET ECHO OFF
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SET FEEDBACK 6
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SET HEADING ON
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SET LINESIZE 180
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SET PAGESIZE 50000
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SET TERMOUT ON
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SET TIMING OFF
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SET TRIMOUT ON
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SET TRIMSPOOL ON
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SET VERIFY OFF
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CLEAR COLUMNS
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CLEAR BREAKS
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CLEAR COMPUTES
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COLUMN instance_name FORMAT a8 HEADING 'Instance'
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COLUMN tablespace_name FORMAT a15 HEADING 'Tablespace|Name' JUST right
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COLUMN temp_segment_name FORMAT a8 HEADING 'Segment|Name' JUST right
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COLUMN current_users FORMAT 9,999 HEADING 'Current|Users' JUST right
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COLUMN total_temp_segment_size FORMAT 999,999,999,999 HEADING 'Total Temp|Segment Size' JUST right
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COLUMN currently_used_bytes FORMAT 999,999,999,999 HEADING 'Currently|Used Bytes' JUST right
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COLUMN pct_used FORMAT 999 HEADING 'Pct.|Used' JUST right
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COLUMN extent_hits FORMAT 999,999 HEADING 'Extent|Hits' JUST right
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COLUMN max_size FORMAT 999,999,999,999 HEADING 'Max|Size' JUST right
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COLUMN max_used_size FORMAT 999,999,999,999 HEADING 'Max Used|Size' JUST right
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COLUMN max_sort_size FORMAT 999,999,999,999 HEADING 'Max Sort|Size' JUST right
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COLUMN free_requests FORMAT 999 HEADING 'Free|Requests' JUST right
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PROMPT
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PROMPT +------------------------------------------------------------------------+
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PROMPT | Segment Name : The segment name is a concatenation of the |
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PROMPT | SEGMENT_FILE (File number of the first |
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PROMPT | extent) and the SEGMENT_BLOCK (Block number |
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PROMPT | of the first extent) |
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PROMPT | Current Users : Number of active users of the segment |
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PROMPT | Total Temp Segment Size : Total size of the temporary segment in bytes |
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PROMPT | Currently Used Bytes : Bytes allocated to active sorts |
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PROMPT | Extent Hits : Number of times an unused extent was found |
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PROMPT | in the pool |
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PROMPT | Max Size : Maximum number of bytes ever used |
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PROMPT | Max Used Size : Maximum number of bytes used by all sorts |
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PROMPT | Max Sort Size : Maximum number of bytes used by an |
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PROMPT | individual sort |
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PROMPT | Free Requests : Number of requests to de-allocate |
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PROMPT +------------------------------------------------------------------------+
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BREAK ON instance_name SKIP PAGE
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SELECT
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i.instance_name instance_name
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, t.tablespace_name tablespace_name
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, 'SYS.' ||
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t.segment_file ||
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'.' ||
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t.segment_block temp_segment_name
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, t.current_users current_users
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, (t.total_blocks*b.value) total_temp_segment_size
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, (t.used_blocks*b.value) currently_used_bytes
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, TRUNC(ROUND((t.used_blocks/t.total_blocks)*100)) pct_used
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, t.extent_hits extent_hits
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, (t.max_blocks*b.value) max_size
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, (t.max_used_blocks*b.value) max_used_size
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, (t.max_sort_blocks *b.value) max_sort_size
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, t.free_requests free_requests
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FROM
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gv$instance i
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, gv$sort_segment t
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, (select value from v$parameter
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where name = 'db_block_size') b
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WHERE
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t.inst_id = i.inst_id
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ORDER BY
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i.instance_name
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, t.tablespace_name;
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