Oracle重建索引Shell脚本、SQL脚本分享

robin@SZDB:~/dba_scripts/custom/bin> more rebuild_unbalanced_indices.sh 
# +-------------------------------------------------------+
# +  Rebulid unblanced indices             |
# +  Author : Leshami                  | 
# +  Parameter : No                   |
# +-------------------------------------------------------+

#!/bin/bash 
# --------------------
# Define variable
# --------------------

if [ -f ~/.bash_profile ]; then
. ~/.bash_profile
fi

DT=`date +%Y%m%d`;       export DT
RETENTION=1
LOG_DIR=/tmp
LOG=${LOG_DIR}/rebuild_unbalanced_indices_${DT}.log
DBA=Leshami@12306.cn

# ------------------------------------
# Loop all instance in current server
# -------------------------------------
echo "Current date and time is : `/bin/date`">>${LOG}

for db in `ps -ef | grep pmon | grep -v grep |grep -v asm |awk '{print $8}'|cut -c 10-`
do
  echo "$db"
  export ORACLE_SID=$db
  echo "Current DB is $db" >>${LOG}
  echo "===============================================">>${LOG}
  $ORACLE_HOME/bin/sqlplus -S /nolog @/users/robin/dba_scripts/custom/sql/rebuild_unbalanced_indices.sql>>${LOG}
done;

echo "End of rebuilding index for all instance at : `/bin/date`">>${LOG}
# -------------------------------------
# Check log file 
# -------------------------------------
status=`grep "ORA-" ${LOG}`
if [ -z $status ];then
  mail -s "Succeeded rebuilding indices on `hostname` !!!" ${DBA} <${LOG}
else
  mail -s "Failed rebuilding indices on `hostname` !!!" ${DBA} <${LOG}
fi

# ------------------------------------------------
# Removing files older than $RETENTION parameter 
# ------------------------------------------------

find ${LOG_DIR} -name "rebuild_unb*" -mtime +$RETENTION -exec rm {} \;

exit

robin@SZDB:~/dba_scripts/custom/sql> more rebuild_unbalanced_indices.sql
conn / as sysdba
set serveroutput on;
DECLARE
resource_busy EXCEPTION;
PRAGMA EXCEPTION_INIT (resource_busy, -54);
c_max_trial CONSTANT PLS_INTEGER := 10;
c_trial_interval CONSTANT PLS_INTEGER := 1;
pmaxheight CONSTANT INTEGER := 3;
pmaxleafsdeleted CONSTANT INTEGER := 20;

CURSOR csrindexstats
IS
SELECT NAME,
height,
lf_rows AS leafrows,
del_lf_rows AS leafrowsdeleted
FROM index_stats;

vindexstats csrindexstats%ROWTYPE;

CURSOR csrglobalindexes
IS
SELECT owner,index_name, tablespace_name
FROM dba_indexes
WHERE partitioned = ‘NO’
AND owner IN (‘GX_ADMIN’);

CURSOR csrlocalindexes
IS
SELECT index_owner,index_name, partition_name, tablespace_name
FROM dba_ind_partitions
WHERE status = ‘USABLE’
AND index_owner IN (‘GX_ADMIN’);

trial PLS_INTEGER;
vcount INTEGER := 0;
BEGIN
trial := 0;

/* Global indexes */
FOR vindexrec IN csrglobalindexes
LOOP
EXECUTE IMMEDIATE
‘analyze index ‘ || vindexrec.owner ||’.’|| vindexrec.index_name || ‘ validate structure’;

OPEN csrindexstats;

FETCH csrindexstats INTO vindexstats;

IF csrindexstats%FOUND
THEN
IF (vindexstats.height > pmaxheight)
OR ( vindexstats.leafrows > 0
AND vindexstats.leafrowsdeleted > 0
AND (vindexstats.leafrowsdeleted * 100 / vindexstats.leafrows) >
pmaxleafsdeleted)
THEN
vcount := vcount + 1;
DBMS_OUTPUT.PUT_LINE (
‘Rebuilding index ‘ || vindexrec.owner ||’.’|| vindexrec.index_name || ‘…’);

<<alter_index>>
BEGIN
EXECUTE IMMEDIATE
‘alter index ‘
|| vindexrec.owner ||’.’
|| vindexrec.index_name
|| ‘ rebuild’
|| ‘ parallel nologging compute statistics’
|| ‘ tablespace ‘
|| vindexrec.tablespace_name;
EXCEPTION
WHEN resource_busy OR TIMEOUT_ON_RESOURCE
THEN
DBMS_OUTPUT.PUT_LINE (
‘alter index – busy and wait for 1 sec’);
DBMS_LOCK.sleep (c_trial_interval);

IF trial <= c_max_trial
THEN
GOTO alter_index;
ELSE
DBMS_OUTPUT.PUT_LINE (
‘alter index busy and waited – quit after ‘
|| TO_CHAR (c_max_trial)
|| ‘ trials’);
RAISE;
END IF;
WHEN OTHERS
THEN
DBMS_OUTPUT.PUT_LINE (‘alter index err ‘ || SQLERRM);
RAISE;
END;
END IF;
END IF;

CLOSE csrindexstats;
END LOOP;

DBMS_OUTPUT.PUT_LINE (‘Global indices rebuilt: ‘ || TO_CHAR (vcount));
vcount := 0;
trial := 0;

/* Local indexes */
FOR vindexrec IN csrlocalindexes
LOOP
EXECUTE IMMEDIATE
‘analyze index ‘
|| vindexrec.index_owner||’.’
|| vindexrec.index_name
|| ‘ partition (‘
|| vindexrec.partition_name
|| ‘) validate structure’;

OPEN csrindexstats;

FETCH csrindexstats INTO vindexstats;

IF csrindexstats%FOUND
THEN
IF (vindexstats.height > pmaxheight)
OR ( vindexstats.leafrows > 0
AND vindexstats.leafrowsdeleted > 0
AND (vindexstats.leafrowsdeleted * 100 / vindexstats.leafrows) >
pmaxleafsdeleted)
THEN
vcount := vcount + 1;
DBMS_OUTPUT.PUT_LINE (
‘Rebuilding index ‘ || vindexrec.index_owner||’.’|| vindexrec.index_name || ‘…’);

<<alter_partitioned_index>>
BEGIN
EXECUTE IMMEDIATE
‘alter index ‘
|| vindexrec.index_owner||’.’
|| vindexrec.index_name
|| ‘ rebuild’
|| ‘ partition ‘
|| vindexrec.partition_name
|| ‘ parallel nologging compute statistics’
|| ‘ tablespace ‘
|| vindexrec.tablespace_name;
EXCEPTION
WHEN resource_busy OR TIMEOUT_ON_RESOURCE
THEN
DBMS_OUTPUT.PUT_LINE (
‘alter partitioned index – busy and wait for 1 sec’);
DBMS_LOCK.sleep (c_trial_interval);

IF trial <= c_max_trial
THEN
GOTO alter_partitioned_index;
ELSE
DBMS_OUTPUT.PUT_LINE (
‘alter partitioned index busy and waited – quit after ‘
|| TO_CHAR (c_max_trial)
|| ‘ trials’);
RAISE;
END IF;
WHEN OTHERS
THEN
DBMS_OUTPUT.PUT_LINE (
‘alter partitioned index err ‘ || SQLERRM);
RAISE;
END;
END IF;
END IF;

CLOSE csrindexstats;
END LOOP;

DBMS_OUTPUT.PUT_LINE (‘Local indices rebuilt: ‘ || TO_CHAR (vcount));
END;
/
exit;

Current date and time is : Sun Apr 20 02:00:02 HKT 2014
Current DB is SYBO2 ===============================================
Rebuilding index GX_ADMIN.SYN_OUT_DATA_TBL_PK…
Rebuilding index GX_ADMIN.IDX_TDBK_SPLNK_PARENT_REF…
Rebuilding index GX_ADMIN.IDX_TDBK_SPLNK_CHILD_REF…
Rebuilding index GX_ADMIN.PK_TRADE_BROKER_TBL…
Rebuilding index GX_ADMIN.IDX_TDBK_INPUT_DATE…
…………….