2026-03-12 20:23:15
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135
vg/dg_archivelog_gap.sql
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135
vg/dg_archivelog_gap.sql
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@@header
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/*
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*
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* Author : Vishal Gupta
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* Purpose : Display archivelog gap
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* Parameter : 1 - Thread Number (Default '%')
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* 2 - From Sequence (Default '%')
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* 3 - To Sequence (Default '%')
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*
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*
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* Revision History:
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* ===================
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* Date Author Description
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* --------- ------------ -----------------------------------------
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* 23-APR-15 Vishal Gupta Added TimeDiff to display diff between current timestamp and max archlog fetched time
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* 17-SEP-14 Vishal Gupta Added logic to display 'FETCHING', when file is being fetched current via RFS.
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* 04-FEB-14 Vishal Gupta Made output changes
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* 04-Apr-10 Vishal Gupta Created
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*
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*/
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/************************************
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* INPUT PARAMETERS
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************************************/
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DEFINE thread="&&1"
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DEFINE from_sequence="&2"
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DEFINE to_sequence="&3"
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set term off
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COLUMN _thread NEW_VALUE thread NOPRINT
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COLUMN _from_sequence NEW_VALUE from_sequence NOPRINT
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COLUMN _to_sequence NEW_VALUE to_sequence NOPRINT
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SELECT DECODE('&&thread','','%','&&thread') "_thread"
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, DECODE('&&from_sequence','','%','&&from_sequence') "_from_sequence"
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, DECODE('&&to_sequence','','%','&&to_sequence') "_to_sequence"
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FROM DUAL;
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set term on
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/************************************
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* M A I N S C R I P T
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************************************/
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COLUMN thread# HEADING "T#" FORMAT 999
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COLUMN sequence# HEADING "SEQ#" FORMAT 99999999
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COLUMN applied HEADING "APPLIED" FORMAT a9
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COLUMN FIRST_TIME HEADING "FIRST_TIME" FORMAT a20
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COLUMN NEXT_TIME HEADING "NEXT_TIME" FORMAT a20
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COLUMN COMPLETION_TIME HEADING "COMPLETION_TIME" FORMAT a20
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COLUMN size_mb HEADING "SIZE_MB" FORMAT 99,999
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COLUMN delay_in_shipping HEADING "Delay in Shipping" FORMAT a20
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/*
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* Not using WITH clause (aka CTE aka sub-query refactor'ing
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* , as it does not work on standby database in MOUNT mode and only works in OPEN mode.
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*/
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select minmax.thread#
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, i.sequence# + minmax.min_sequence# - 1 sequence#
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--, l.thread#
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--, l.sequence#
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, l.applied
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, l.deleted
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, l.status
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, l.archived
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, NVL(TO_CHAR(l.first_time,'DD-MON-YY HH24:MI:SS'),NVL2(m.sequence#,' Fetching ',' Missing ')) first_time
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, TO_CHAR(l.next_time,'DD-MON-YY HH24:MI:SS') next_time
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, ROUND((l.blocks * l.block_size)/power(1024,2)) size_mb
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, l.fal
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, l.creator
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, l.registrar
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, TO_CHAR(l.completion_time,'DD-MON-YY HH24:MI:SS') completion_time
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, LPAD(FLOOR(l.completion_time-l.next_time) ,2) || 'd '
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|| LPAD(FLOOR(MOD((l.completion_time-l.next_time) ,1) * 24 ),2) || 'h '
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|| LPAD(FLOOR(MOD((l.completion_time-l.next_time)*24 ,1) * 60 ),2) || 'm '
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|| LPAD(FLOOR(MOD((l.completion_time-l.next_time)*24*60,1) * 60 ),2) || 's' delay_in_shipping
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from (select rownum sequence#
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from dual
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connect by level <= 1500
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) i
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join (select l2.dest_id
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, l2.thread#
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, DECODE('&&from_sequence','%',max(DECODE(l2.applied, 'YES',l2.sequence#,0)) - 3,'&&from_sequence') min_sequence#
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, max(l2.sequence#) max_sequence#
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--, min(l2.first_time)
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--, max(l2.first_time)
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From v$archived_log l2
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where l2.dest_id = 1
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AND l2.thread# like '&&thread'
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group by l2.dest_id, l2.thread#
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order by l2.thread#
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) minmax on 1 = 1
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LEFT OUTER JOIN v$archived_log l on l.thread# = minmax.thread# and l.sequence# = i.sequence# + minmax.min_sequence# - 1 and l.status = 'A'
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LEFT OUTER JOIN gv$managed_standby m ON m.process in ('RFS') and m.thread# = minmax.thread# AND m.sequence# = i.sequence# + minmax.min_sequence# - 1
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WHERE 1=1
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and i.sequence# + minmax.min_sequence# - 1 <= minmax.max_sequence#
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AND minmax.thread# like '&&thread'
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AND i.sequence# + minmax.min_sequence# - 1
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BETWEEN DECODE('&&from_sequence','%',minmax.min_sequence#,'&&from_sequence')
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AND DECODE('&&to_sequence','%',minmax.max_sequence#,'&&to_sequence')
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order by minmax.thread#
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, i.sequence#
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--order by l.first_change#
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;
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SELECT l.thread#
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-- , l.applied
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-- , l.deleted
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-- , l.status
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-- , l.archived
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, max(sequence#)
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, TO_CHAR(sysdate,'DD-MON-YY HH24:MI:SS') current_time
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, TO_CHAR(max(l.next_time) ,'DD-MON-YY HH24:MI:SS') max_next_time
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, REPLACE(
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REPLACE(
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CAST(sysdate as TIMESTAMP) - CAST(max(l.next_time) as TIMESTAMP)
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,'.000000','')
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,'+0000000','+')
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time_diff
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FROM v$archived_log l
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--WHERE
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GROUP BY l.thread#
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-- , l.applied
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-- , l.deleted
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-- , l.status
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-- , l.archived
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ORDER BY --l.applied,
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l.thread#
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;
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@@footer
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