Cách sử dụng script này:
1. Mở TOAd hoặc SQL Navigator
2. Copy toàn bộ và thực hiện từng bước một cho đến khi kết thúc
(hoặc có thể đặt job để tự động sinh partition nhé):
(hoặc có thể đặt job để tự động sinh partition nhé):
/***** 1. Tao tablespace *****/
--select * from dba_tablespaces where tablespace_name like '%2021%' order by tablespace_name;
--select * from dba_data_files where tablespace_name in ('DATA2021','INDX2021');
-- Sau nay read only tablespace này
create tablespace DATA2020 datafile '+DATA' size 1g autoextend on next 100m;
create tablespace INDX2020 datafile '+DATA' size 1g autoextend on next 100m;
-- Sau này read write tablespace 3, 5, 10 năm
create tablespace DATA2020_RW datafile '+DATA' size 1g autoextend on next 100m;
create tablespace INDX2020_RW datafile '+DATA' size 1g autoextend on next 100m;
/**** 2. GEN PARTITION *****/
/* 2.1.GEN PARTITION THEO NĂM: */
select 'alter table '||table_owner||'.'||table_name||' add PARTITION DATA2021 VALUES LESS THAN (TO_DATE(''2021-01-01 00:00:00'', ''SYYYY-MM-DD HH24:MI:SS'', ''NLS_CALENDAR=GREGORIAN'')) LOGGING TABLESPACE DATA2020;'
from dba_tab_partitions
WHERE PARTITION_NAME LIKE '%2019%'
and table_name not like '%$%' and table_name not like 'XXX%' --and table_name not like 'TMP%'
and table_owner not in ('Test')
GROUP BY table_owner, table_name
having length(max(partition_name))<9
order by table_owner,table_name;
--2.1.1.Rebuild index theo năm:
DECLARE
v_nam varchar2(4) := '2020';
v_tablespace varchar2(50):='INDX';
cursor c1 is
select table_owner,table_name,max(partition_name)
from dba_tab_partitions where table_name not like '%$%' and table_name not like 'XXX%' --and table_name not like 'TMP%'
and table_name not in ('Test')
group by table_owner,table_name having max(partition_name) like '%'||2020||'%' and length(max(partition_name))<9 order by table_owner,table_name;
cursor c2 (p_tablename varchar2,p_owner varchar2) is
select * from DBA_PART_INDEXES where table_name = p_tablename and owner=p_owner;
BEGIN
for r1 in c1
LOOP
FOR r2 in c2(r1.table_name,r1.table_owner)
LOOP
DBMS_OUTPUT.put_line ('alter index '|| r1.table_owner||'.'||r2.index_name || ' REBUILD PARTITION DATA'||v_nam||' TABLESPACE '||v_tablespace||v_nam||' nologging noparallel online;');
END LOOP;
end loop;
END;
/* 2.2.GEN PARTITION THEO THÁNG */
DECLARE
v_nam NUMBER (4) := 2020;
v_thang_from NUMBER (2) := 1;
v_thang_to NUMBER (2) := 12;
v_tablespace varchar2(50):='DATA';
CURSOR c1
IS
select table_owner, table_name,max(partition_name)
from dba_tab_partitions
WHERE PARTITION_NAME LIKE '%2019%'
and table_name not like '%$%' and table_name not like '%TEST%' and table_name not like 'XXX%' and table_name not like '%BAK' and table_name not like 'BK%'
GROUP BY table_owner, table_name
having length(max(partition_name))=10 and max(partition_name) like '%201912'
order by table_owner,table_name;
BEGIN
for r1 in c1 loop
FOR i IN v_thang_from .. (v_thang_to-1)
LOOP
DBMS_OUTPUT.put_line ('alter table '||r1.table_owner ||'.'|| r1.table_name || ' add PARTITION DATA'||v_nam||LPAD (i, 2, '0')||' VALUES LESS THAN (TO_DATE('''|| v_nam ||'-'||LPAD (i+1, 2, '0')||'-01 00:00:00'', ''SYYYY-MM-DD HH24:MI:SS'', ''NLS_CALENDAR=GREGORIAN'')) LOGGING TABLESPACE '||v_tablespace||v_nam||';');
END LOOP;
DBMS_OUTPUT.put_line ('alter table '|| r1.table_owner ||'.'|| r1.table_name || ' add PARTITION DATA'||v_nam||LPAD (to_char(v_thang_to), 2, '0')||' VALUES LESS THAN (TO_DATE('''|| (v_nam +1) ||'-01-01 00:00:00'', ''SYYYY-MM-DD HH24:MI:SS'', ''NLS_CALENDAR=GREGORIAN'')) LOGGING TABLESPACE '||v_tablespace||v_nam||';');
end loop;
END;
-- 2.2.1.Rebuild INDEX theo thang:
DECLARE
v_nam varchar2(4) := '2020';
v_thang_from NUMBER (2) := 01;
v_thang_to NUMBER (2) := 12;
v_tablespace varchar2(50):='INDX';
cursor c1 is
select table_owner,table_name,max(partition_name)
from dba_tab_partitions where table_name not like '%$%' and table_name not like 'XXX%'
group by table_owner,table_name having max(partition_name) like '%'||2020||'%' and length(max(partition_name))=10 order by table_owner,table_name;
cursor c2 (p_tablename varchar2,p_owner varchar2) is
select * from DBA_PART_INDEXES where table_name = p_tablename and owner=p_owner;
BEGIN
for r1 in c1
LOOP
FOR r2 in c2(r1.table_name,r1.table_owner)
LOOP
FOR i IN v_thang_from .. (v_thang_to)
LOOP
DBMS_OUTPUT.put_line ('alter index '|| r1.table_owner||'.'||r2.index_name || ' REBUILD PARTITION DATA'||v_nam||LPAD (to_char(i), 2, '0')||' TABLESPACE '||v_tablespace||v_nam||' nologging parallel 8 online;');
END LOOP; END LOOP;
end loop;
END;
/* 2.3.GEN PARTITION THEO NGAY */
--2.3.1.Gen data partition theo ngay_MAIN_OWNER
-- Chay vao ban dem > 22h, lock ~200, active session ~ 1000
-- Có thể gặp Event: library cache lock, cursor: pin S wait on X
DECLARE
v_tablename VARCHAR2 (50);
v_date_from date;
v_date_to date := to_date('31/12/2020','dd/mm/yyyy');
v_numday number;
v_tablespace varchar2(50):='DATA';
cursor c1 is
select table_owner,table_name,MAX(PARTITION_NAME) par_name from dba_tab_partitions where (table_owner, table_name, partition_name) in (
select table_owner,table_name,MAX(PARTITION_NAME) par_name
from dba_tab_partitions
where LENGTH(PARTITION_NAME)>=11
and table_name not like '%$%' and table_name not like 'XXX%'
and table_owner= 'MAIN_OWNER'
group by table_owner, table_name
)
and partition_name like 'DATA20191231%'
GROUP BY table_owner,table_name order by table_owner,table_name;
BEGIN
for r1 in c1 loop
v_tablename:=r1.table_owner||'.'||r1.table_name;
v_date_from:=to_date(substr(r1.par_name,5,8),'YYYYMMDD')+1;
v_numday:=v_date_to-v_date_from;
FOR i IN 0 .. v_numday
LOOP
DBMS_OUTPUT.put_line ('alter table '|| v_tablename || ' add PARTITION DATA'||to_char(v_date_from+i,'YYYYMMDD')||' VALUES LESS THAN (TO_DATE('''|| to_char(v_date_from+i+1,'YYYY-MM-DD')||' 00:00:00'', ''SYYYY-MM-DD HH24:MI:SS'', ''NLS_CALENDAR=GREGORIAN'')) LOGGING TABLESPACE DATA2020;');
END LOOP;
end loop;
END;
-- 2.3.1.1.Rebuild Index theo ngay MAIN_OWNER
DECLARE
v_date_from date := to_date('01/01/2020','dd/mm/yyyy');
v_date_to date := to_date('31/12/2020','dd/mm/yyyy');
v_numday number;
v_tablespace varchar2(50):='INDX';
cursor c1 is
select a.* from DBA_PART_INDEXES a, DBA_TAB_PARTITIONS b where a.owner=B.TABLE_OWNER and a.table_name=B.TABLE_NAME
and a.owner='CUS_OWNER' and a.index_name not like '%$%' and b.partition_name like '%20191231' order by a.owner,a.index_name;
BEGIN
v_numday:=v_date_to-v_date_from;
FOR i1 in c1
LOOP
FOR i IN 0 .. v_numday
LOOP
DBMS_OUTPUT.put_line ('alter index '||i1.owner||'.'||i1.index_name || ' REBUILD PARTITION DATA'||to_char(v_date_from+i,'YYYYMMDD')||' TABLESPACE '||v_tablespace||to_char(v_date_from+i,'YYYY')||' nologging parallel 8 online;');
END LOOP;
END LOOP;
END;
--2.3.2.Gen data partition theo ngay_User khac
DECLARE
v_tablename VARCHAR2 (50);
v_date_from date;
v_date_to date := to_date('31/12/2020','dd/mm/yyyy');
v_numday number;
v_tablespace varchar2(50):='DUMP_DATA';
cursor c1 is
select table_owner,table_name,MAX(PARTITION_NAME) par_name
from dba_tab_partitions
WHERE (LENGTH(PARTITION_NAME)>=12 AND PARTITION_NAME LIKE '%20201231'
and table_name not like '%$%' and table_name not like 'XXX%' and table_name not like '%TEST%' and table_name not like '%DAILY_20%'
and table_owner not in ('MAIN_OWNER')
GROUP BY table_owner,table_name order by table_owner,table_name;
BEGIN
for r1 in c1 loop
v_tablename:=r1.table_owner||'.'||r1.table_name;
v_date_from:=to_date(substr(r1.par_name,5,8),'YYYYMMDD')+1;
v_numday:=v_date_to-v_date_from;
if r1.table_name in ('REQUEST_LOG','RESPOND_LOG') then
FOR i IN 0 .. v_numday
LOOP
DBMS_OUTPUT.put_line ('alter table '|| v_tablename || ' add PARTITION DATA'||to_char(v_date_from+i,'YYYYMMDD')||' VALUES LESS THAN (TO_DATE('''|| to_char(v_date_from+i+1,'YYYY-MM-DD')||' 00:00:00'', ''SYYYY-MM-DD HH24:MI:SS'', ''NLS_CALENDAR=GREGORIAN'')) LOGGING TABLESPACE LOB noparallel;');
END LOOP;
elsif r1.table_name in ('AUDIT_LOG') then
FOR i IN 0 .. v_numday
LOOP
DBMS_OUTPUT.put_line ('alter table '|| v_tablename || ' add PARTITION DATA'||to_char(v_date_from+i,'YYYYMMDD')||' VALUES LESS THAN (TO_DATE('''|| to_char(v_date_from+i+1,'YYYY-MM-DD')||' 00:00:00'', ''SYYYY-MM-DD HH24:MI:SS'', ''NLS_CALENDAR=GREGORIAN'')) LOGGING TABLESPACE ' || substr(r1.par_name,1,8)|| ' noparallel;');
END LOOP;
else
LOOP
DBMS_OUTPUT.put_line ('alter table '|| v_tablename || ' add PARTITION DATA'||to_char(v_date_from+i,'YYYYMMDD')||' VALUES LESS THAN (TO_DATE('''|| to_char(v_date_from+i+1,'YYYY-MM-DD')||' 00:00:00'', ''SYYYY-MM-DD HH24:MI:SS'', ''NLS_CALENDAR=GREGORIAN'')) LOGGING TABLESPACE ' || substr(r1.par_name,1,8) ||' noparallel;');
END LOOP;
end if;
end loop;
END;
-- 2.3.2.1.Rebuild Index theo ngày user khac
-- Lưu tại DUMP_INDX
DECLARE
v_date_from date := to_date('01/01/2020','dd/mm/yyyy');
v_date_to date := to_date('31/12/2020','dd/mm/yyyy');
v_numday number;
v_tablespace varchar2(50):='DUMP_INDX';
select a.*,b.partition_name from DBA_PART_INDEXES a, DBA_TAB_PARTITIONS b where a.owner=B.TABLE_OWNER and a.table_name=B.TABLE_NAME
and a.owner!='CUS_OWNER' and a.index_name not like '%$%' and b.partition_name like '%20201231'
order by a.owner,a.index_name;
BEGIN
v_numday:=v_date_to-v_date_from;
FOR i1 in c1
LOOP
if i1.owner='TEST_GATEWAY' then
FOR i IN 0 .. v_numday
LOOP
DBMS_OUTPUT.put_line ('alter index '||i1.owner||'.'||i1.index_name || ' REBUILD PARTITION DATA'||to_char(v_date_from+i,'YYYYMMDD')||' TABLESPACE LOB nologging parallel 8 online;');
END LOOP;
DBMS_OUTPUT.put_line ('alter index '||i1.owner||'.'||i1.index_name || ' noparallel;');
else
FOR j IN 0 .. v_numday
LOOP
DBMS_OUTPUT.put_line ('alter index '||i1.owner||'.'||i1.index_name || ' REBUILD PARTITION DATA'||to_char(v_date_from+j,'YYYYMMDD')||' TABLESPACE INDX' || substr(i1.partition_name,5,4) ||' nologging parallel 8 online;');
END LOOP;
DBMS_OUTPUT.put_line ('alter index '||i1.owner||'.'||i1.index_name || ' noparallel;');
end if;
END LOOP;
END;
-- 2.3.4.Set noparallel index
DECLARE
cursor c1 is
select distinct a.index_owner, a.index_name from DBA_ind_partitions a where a.index_owner='CUS_OWNER' and a.index_name not like '%$%' and a.partition_name like '%20201231'
order by a.index_owner,a.index_name;
BEGIN
FOR i1 in c1
LOOP
DBMS_OUTPUT.put_line ('alter index '||i1.index_owner||'.'||i1.index_name || ' noparallel;');
END LOOP;
END;
-- Một số câu lệnh khác hỗ trợ trong quá trình thực hiện
--Optional: Rebuild INDX PARTITION theo ngay, 1 bang
DECLARE
v_tablename VARCHAR2 (50) := 'REQUEST';
v_owner VARCHAR2 (50) := 'TEST_OWNER';
v_date_from date := '1/11/2011';
v_date_to date := '31/12/2011';
v_numday number(2);
v_tablespace varchar2(50):='INDX';
cursor c1 is
select * from DBA_PART_INDEXES where table_name = v_tablename and owner=v_owner;
BEGIN
v_numday:=v_date_to-v_date_from;
FOR i1 in c1
LOOP
FOR i IN 0 .. v_numday
LOOP
DBMS_OUTPUT.put_line ('alter index '||v_owner||'.'||i1.index_name || ' REBUILD PARTITION DATA'||to_char(v_date_from+i,'YYYYMMDD')||' TABLESPACE '||v_tablespace||to_char(v_date_from+i,'YYYYMM')||';');
END LOOP;
END LOOP;
END;
-- MONITORING: Neu active session > 600, lock > 50 thi kill tien trinh
-- Trong quá trình thêm partition cần MONITOR chặt chẽ tránh tình trạng lock, cao tải gây timeout ứng dụng, nếu gặp lock, cao tải cần dừng lại và chọn thời điểm THẤP TẢI khác để chạy (ví dụ 1h,2h,...)
-- Active session
SELECT distinct s.inst_id i#, s.username, s.SID SID, s.osuser, s.machine,DECODE(S.WAIT_TIME, 0, S.EVENT, 'CPU') ACTION,
s.sql_id, SUBSTR(DECODE(SS.SQL_TEXT, NULL, AA.NAME, SS.SQL_TEXT), 1, 1000) SQLTEXT,s.logon_time,s.p1text, S.P1, s.p2text, S.P2, s.p3text, S.P3
FROM GV$SESSION S, GV$SQLSTATS SS, AUDIT_ACTIONS AA
WHERE S.STATUS = 'ACTIVE' AND S.SQL_ID = SS.SQL_ID (+) AND AA.ACTION = S.COMMAND and s.type != 'BACKGROUND' AND S.TYPE = 'USER'
--and s.username not in ('SYS','SYSMAN')
--AND username LIKE 'SYS'
--and s.sid=1234
--and s.machine like '%app-2%'
--and DECODE(S.WAIT_TIME, 0, S.EVENT, 'CPU') like '%cell single block physical read%'
--and s.sql_id ='cb66zngs8xz5j'
--and lower(ss.sql_text) like lower('%test_customer%')
ORDER BY i#,username,sql_id,machine,S.SID;
/************************************************** LOCK SESSION, WAITING *********************************************************/
select status, count(*) from gv$session group by status order by status;
Select /*blocking_session*/ inst_id,blocking_session, sid, serial#, sql_id, wait_class, seconds_in_wait, username,STATUS,SCHEMANAME,OSUSER,MACHINE,PROGRAM,TYPE,LOGON_TIME
From gv$session where blocking_session is not NULL and type not like 'BACKGROUND' order by inst_id --order by blocking_session;
SELECT /*blocking_session*/ inst_id, sid, DECODE (request, 0, 'Holder: ', 'Waiter: ') || sid sess, id1,id2,lmode, request,TYPE
FROM GV$LOCK WHERE (id1, id2, TYPE) IN (SELECT id1, id2, TYPE FROM GV$LOCK WHERE request > 0) ORDER BY id1, request;
/************************************************** SESSIONS *********************************************************/
select count(*) from gv$session ;
select /* count , status*/ username,status, count(*) from gv$session group by username,status order by count(*) desc;
select USERNAME,count(*) from gv$session group by USERNAME order by count(*) desc;
select machine,count(*) from v$session group by machine order by count(*) desc;
select inst_id, count(*) from gv$session group by inst_id;
select /*Thong ke theo status*/ username,status,count(*) from gv$session where username like 'TEST_OWNER%' group by username,status order by count(*) desc;
select /*Thong ke theo inst_id*/ inst_id,count(*), username from gv$session where username like 'TEST_OWNER%' group by inst_id, username order by username;
select /* user theo machine */ machine,count(*), username from gv$session where username like 'TEST_OWNER%' group by machine, username order by username;
/************************************************** KILLER *********************************************************/
SELECT /*username*/ 'kill -9 ' || SPID A ,a.INST_ID,A.SID,A.SQL_ID, a.USERNAME, a.STATUS,A.SCHEMANAME,a.OSUSER,A.MACHINE,A.PROGRAM,A.TYPE,A.LOGON_TIME,BACKGROUND, A.EVENT
FROM gv$session a, gv$process b
WHERE b.ADDR = a.paddr
AND a.inst_id=b.inst_id
--AND B.inst_id = 1
--and a.status='INACTIVE'
--and A.USERNAME LIKE 'TEST%'
--AND A.USERNAME not in ('SYS','SYSTEM','SYSMAN','BINHTV','DBSNMP','GGATE')
--and a.username not in ('SYS','SYSTEM','SYSMAN','BINHTV','DBSNMP','GGATE','APP1','APP2','APP3')
AND a.program not LIKE '%Toad.exe%'
--AND sql_id in ('44t0dk94q3xqg','6uac7nnud2gfa')
and machine like '%TCTK-BINHTV%'
--and a.event in ('library cache lock','brary cache load lock','cursor: pin S wait on X','library cache pin','gc buffer busy acquire','enq: TS - contention','enq: TX - row lock contention','db file parallel read')
and type='USER'
order by a.inst_id;
SELECT /*SID*/ 'kill -9 ' || spid a, a.INST_ID,A.SQL_ID,A.SID, A.SERIAL#, a.USERNAME, a.STATUS,A.SCHEMANAME,a.OSUSER,A.MACHINE,A.PROGRAM,A.TYPE,A.LOGON_TIME,BACKGROUND
FROM gv$session a, gv$process b
WHERE b.addr = a.paddr
AND a.inst_id=b.inst_id
--and b.inst_id=2
AND a.sid in (
5812
)
and type='USER'
order by inst_id;
/***** 3.CHECK PARTITION *****/
-- Check partition theo NAM, max partition 2020 la OK
select table_owner,table_name,partition_name from dba_tab_partitions
where (table_owner,table_name,partition_position) in
(select table_owner,table_name,max(partition_position) from dba_tab_partitions
where table_name not like '%$%'
group by table_name,table_owner)
and length(partition_name)<9
order by 1,2,3;
---- Check partition theo THANG, max partiton 202012 la OK
select table_owner,table_name,partition_name from dba_tab_partitions where (table_owner,table_name,partition_position) in
(select table_owner,table_name,max(partition_position) from dba_tab_partitions
where table_name not like '%$%'
group by table_name,table_owner)
and length(partition_name)>=9
--and partition_name like 'DATA201912'
and length(partition_name)<11
order by table_owner, table_name, partition_name;
---- Check partition theo NGAY, max partiton 20201231 la OK
select table_owner,table_name,partition_name from dba_tab_partitions where (table_owner,table_name,partition_position) in
(select table_owner,table_name,max(partition_position) from dba_tab_partitions
where table_name not like '%$%'
group by table_name,table_owner)
and length(partition_name)>=11
and partition_name like 'DATA20191231'
order by table_owner, table_name, partition_name;
-- Check ALL (nam, thang, ngay)
-- Dam bao nam 2019, thang 201912, ngay 20201231
select table_owner,table_name,partition_name from dba_tab_partitions where (table_owner,table_name,partition_position) in
(select table_owner,table_name,max(partition_position) from dba_tab_partitions
where table_name not like '%$%'
group by table_name,table_owner)
order by table_owner, table_name, partition_name;
--Test lai sau khi gen partitioin, null la OK
SELECT table_owner, table_name
FROM ( SELECT table_owner, table_name, MAX (PARTITION_NAME) FROM dba_tab_partitions
WHERE PARTITION_NAME LIKE '%2019%' and table_name not like '%$%'
GROUP BY table_owner, table_name)
MINUS
SELECT table_owner, table_name
FROM ( SELECT table_owner, table_name, MAX (PARTITION_NAME) FROM dba_tab_partitions
WHERE PARTITION_NAME LIKE '%2020%' and table_name not like '%$%'
GROUP BY table_owner, table_name);
SELECT table_owner, table_name
FROM ( SELECT table_owner, table_name, MAX (PARTITION_NAME) FROM dba_tab_partitions
WHERE PARTITION_NAME LIKE '%2020%' and table_name not like '%$%'
GROUP BY table_owner, table_name)
MINUS
SELECT table_owner, table_name
FROM ( SELECT table_owner, table_name, MAX (PARTITION_NAME) FROM dba_tab_partitions
WHERE PARTITION_NAME LIKE '%2019%' and table_name not like '%$%'
GROUP BY table_owner, table_name);
@ Trần Văn Bình - Founder of Oracle DBA AZ
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