Scripts Summary
**Version: **1.0.1
**issueDate: **2017-11-11
**modifiedDate: **2017-11-28
- 0.configuration
- 1.operation
- 2.backup&recovery
- 3.Tuning
- 4.RAC
- 5.DG
- 6.ASM
- 7.OGG
- 8.Report
- 9.Trace
- 10.kill
- 11.RMAN
- 12.xplan
0.configuration
--查询隐藏参数
set linesize 333
col name for a35
col description for a66
col value for a30
SELECT i.ksppinm name,
i.ksppdesc description,
CV.ksppstvl VALUE
FROM sys.x$ksppi i, sys.x$ksppcv CV
WHERE i.inst_id = USERENV ('Instance')
AND CV.inst_id = USERENV ('Instance')
AND i.indx = CV.indx
AND i.ksppinm LIKE '%¶m%'
ORDER BY REPLACE (i.ksppinm, '_', '');
--SGA 各组件实际大小
set linesize 100
col name for a25
col value for a15
col describ for a40
select x.ksppinm name,y.ksppstvl value,x.ksppdesc describ
from sys.x$ksppi x,sys.x$ksppcv y
where x.inst_id=userenv('instance')
and y.inst_id=userenv('instance')
and x.indx=y.indx
and x.ksppinm like '%&par%';
--tail_alert
select '!tail -100f ' || (SELECT VALUE FROM V$PARAMETER WHERE NAME='background_dump_dest')||
'/alert_'||(SELECT VALUE FROM V$PARAMETER WHERE NAME='instance_name')||'.log' c FROM DUAL;
--time_format
alter session set NLS_DATE_FORMAT = 'YYYY-MM-DD HH24:MI:SS';
alter session set NLS_TIMESTAMP_FORMAT = 'YYYY-MM-DD HH24:MI:SS';
--dbtime
set linesize 200 ;
set pagesize 20000 ;
col DATE_TIME for a45 ;
col STAT_NAME for a10 ;
WITH sysstat AS
(SELECT sn.begin_interval_time begin_interval_time,
sn.end_interval_time end_interval_time,
ss.stat_name stat_name,
ss. VALUE e_value,
lag(ss. VALUE, 1) over(ORDER BY ss.snap_id) b_value
FROM DBA_HIST_SYS_TIME_MODEL ss, dba_hist_snapshot sn
WHERE trunc(sn.begin_interval_time) >= sysdate - 7
AND ss.snap_id = sn.snap_id
AND ss.dbid = sn.dbid
AND ss.instance_number = sn.instance_number
AND ss.dbid = (SELECT dbid FROM v$database)
AND ss.instance_number = (SELECT instance_number FROM v$instance)
AND ss.stat_name = 'DB time')
SELECT to_char(BEGIN_INTERVAL_TIME, 'yyyy-mm-dd hh24:mi') ||
to_char(END_INTERVAL_TIME, ' hh24:mi') date_time,
stat_name,
round((e_value - nvl(b_value, 0)) / 60 / 1000 / 1000, 2) dbtime_value
FROM sysstat
WHERE (e_value - nvl(b_value, 0)) > 0
AND nvl(b_value, 0) > 0;
--tablespace
set lines 400 pages 999
select TABLESPACE_NAME,
(TABLESPACE_SIZE - USED_SPACE) * 8 / 1024 / 1024 free_space,
USED_SPACE * 8 / 1024 / 1024 USED_SPACE,
TABLESPACE_SIZE * 8 / 1024 / 1024 TABLESPACE_SIZE,
USED_PERCENT
from DBA_TABLESPACE_USAGE_METRICS
order by 5;
--datafiles
col file_name for a50
select file_id, file_name, bytes / 1024 / 1024 / 1024, AUTOEXTENSIBLE
from dba_data_files
where tablespace_name = '&TBS_NAME'
order by 1, 2;
--db_file_size(GB)
select sum(bytes / 1024 / 1024 / 1024) "GB" from dba_data_files;
--session_roles
select * from session_roles;
--session_privs
select * from session_privs;
1.operation
--event
set pages 900
col event for a30
select inst_id, event, count(*)
from gv$session
where wait_class# <> 6
group by inst_id, event
order by 3 desc;
--event2
set line 234 pagesize 9999
col event for a35
col machine for a20
select sid,
SERIAL#,
inst_id,
sql_id,
event,
MACHINE,
username,
blocking_session,
count(*)
from gv$session
where wait_class <> 'Idle'
group by sid,
SERIAL#,
inst_id,
sql_id,
event,
MACHINE,
username,
blocking_session
order by 1, 4;
--blocking
set lines 180
col program for a30
col machine for a20
select inst_id,
SID,
SERIAL#,
USERNAME,
program,
machine,
sql_id,
blocking_session,
blocking_instance
from gv$session
where blocking_session is not null;
--blocking2
select inst_id,
SID,
SERIAL#,
USERNAME,
program,
machine,
sql_id,
blocking_instance,
blocking_session
from gv$session
where sid = &sid;
--数据库活动会话监控：
select inst_id,
sid,
username,
machine,
program,
module,
action,
sql_id,
event,
blocking_session,
logon_time,
prev_exec_start,
client_info
from gv$session
where status = 'ACTIVE'
and type <> 'BACKGROUND'
order by inst_id, sid;
--
select sess.sid,
sess.serial#,
lo.oracle_username,
lo.os_user_name,
ao.object_name,
lo.locked_mode,
sess.STATUS,
sess.LOGON_TIME,
'alter system kill session ' || '''' || sess.sid || ',' ||
sess.serial# || ''';',
sess.LAST_CALL_ET
from v$locked_object lo, dba_objects ao, v$session sess
where ao.object_id = lo.object_id
and lo.session_id = sess.sid
and sess.STATUS = 'ACTIVE'
and sess.LAST_CALL_ET > 20;
--cascade blocking
select *
from (select a.sid,
a.sql_id,
a.event,
a.status,
connect_by_isleaf as isleaf,
sys_connect_by_path(SID, '<-') tree,
level as tree_level
from v$session a
start with a.blocking_session is not null
and event like 'library cache lock'
connect by nocycle a.sid = prior a.blocking_session)
where isleaf = 1
order by tree_level asc;
--cascade blocking@gv$session
select *
from (select a.inst_id, a.sid, a.serial#,
a.sql_id,
a.event,
a.status,
connect_by_isleaf as isleaf,
sys_connect_by_path(a.SID||'@'||a.inst_id, ' <- ') tree,
level as tree_level
from gv$session a
start with a.blocking_session is not null
connect by (a.sid||'@'||a.inst_id) = prior (a.blocking_session||'@'||a.blocking_instance))
where isleaf = 1
order by tree_level asc;
--sql_id
select sql_id, count(*)
from v$session
where event = '&event'
group by sql_id
order by 2;
--sql_fulltext
select sql_fulltext from v$sqlarea where sql_id = '&sql_id';
--long session
set lines 800 pages 900 long 9999
col inst_id for 9
col username for a15
col machine for a15
col program for a31
col sid for 99999
alter session set nls_date_format='yyyy-mm-dd hh24:mi:ss';
select *
from (select inst_id,
username,
sql_id,
last_call_et / 60,
logon_time,
machine,
program,
sid
from gv$session
where sql_id is not null
and status = 'ACTIVE'
and user# <> 0
order by 4 desc)
where rownum < 21;
--long sql
select *
from (select s.inst_id,
s.sid,
s.username,
s.sql_id,
s.last_call_et / 60,
q.sql_fulltext
from gv$session s, v$sqlarea q
where s.sql_id is not null
and s.user# <> 0
and s.status = 'ACTIVE'
and s.sql_id = q.sql_id
order by 5 desc)
where rownum < 11;
--long operation
col opname for a20
col target for a30
col username for a15
set lines 500 pages 900
select inst_id,
sid,
username,
opname,
target,
sofar,
totalwork,
sofar * 100 / totalwork
from gv$session_longops
where sofar < totalwork;
--kill session
alter system kill session '&sid,&serial' immediate;
--rollback force
select 'rollback force ''' || local_tran_id || ''';',
local_tran_id,
state,
fail_time,
force_time
from DBA_2PC_PENDING
where state = 'prepared';
--machine,program
select machine, program, count(*) from v$session group by machine, program order by 3;
2.backup&recovery
--find an object using file_id & block_id
SELECT OWNER,
SEGMENT_NAME,
SEGMENT_TYPE,
TABLESPACE_NAME
FROM DBA_EXTENTS
WHERE FILE_ID =&FILE_ID
AND &BLOCK_ID BETWEEN BLOCK_ID AND BLOCK_ID + BLOCKS - 1;
--checkpoint_change#
col checkpoint_change# for 9999999999999999
select checkpoint_change# from v$database;
select checkpoint_change# from v$datafile;
select checkpoint_change# from v$datafile_header;
--v$archived_log
select thread#, dest_id, max(sequence#)
from v$archived_log
where applied = 'YES'
group by thread#, dest_id;
--arch_per_day
select trunc(completion_time) as "Date",
count(*) as "Count",
sum(blocks * block_size) / 1024 / 1024 as "MB"
from v$archived_log
where dest_id = 1
group by trunc(completion_time)
order by 1;
--v$log
select * from v$log order by 3, 2, 1;
3.Tuning
--CPU in 10m
--查询最近10分钟，最消耗CPU资源的SQL语句
set line 234
col sql_text for a70
select sql_id, cnt, pctload, substr(sql_text, 1, 70) sql_text
from (select ash.sql_id,
count(*) cnt,
max(s.sql_text) sql_text,
max(s.parsing_schema_name) parsing_schema_name,
round(count(*) / sum(count(*)) over(), 2) pctload
from v$active_session_history ash, v$sqlarea s
where ash.sql_id = s.sql_id
and sample_time > sysdate - 10 / (24 * 60)
and session_type <> 'BACKGROUND'
and session_state = 'ON CPU'
group by ash.sql_id
order by count(*) desc)
where rownum <= 20;
--IO in 30m
--查询最近30分钟，最消耗IO资源的会话
set line 234
col sql_text for a70
select session_id, cnt, substr(sql_text, 1, 70) sql_text
from (select ash.session_id,
count(*) cnt,
max(s.sql_text) sql_text,
max(s.parsing_schema_name) parsing_schema_name,
round(count(*) / sum(count(*)) over(), 2) pctload
from v$active_session_history ash, v$sqlarea s
where ash.sql_id = s.sql_id(+)
and sample_time > sysdate - 30 / (24 * 60)
and session_type <> 'BACKGROUND'
and session_state = 'WAITING'
and wait_class = 'User I/O'
group by ash.session_id
order by count(*) desc)
where rownum <= 20;
--TOPSQL by IO
--根据io消耗前十sql的会话id，查出操作系统号并组合杀进程语句
set line 234
col sql_text for a70
select session_id, session_serial#, cnt, substr(sql_text, 1, 70) sql_text
from (select ash.session_id,
ash.session_serial#,
count(*) cnt,
max(s.sql_text) sql_text,
max(s.parsing_schema_name) parsing_schema_name,
round(count(*) / sum(count(*)) over(), 2) pctload
from v$active_session_history ash, v$sqlarea s
where ash.sql_id = s.sql_id(+)
and sample_time > sysdate - 5 / (24 * 60)
and session_type <> 'BACKGROUND'
and session_state = 'WAITING'
and wait_class = 'User I/O'
group by ash.session_id, ash.session_serial#
order by count(*) desc)
where rownum <= 10;
--TOP by ospid
select s.sid, s.program, s.MODULE, s.action, s.event, sq.sql_text
from v$process p, v$session s, v$sqlarea sq
where p.addr = s.paddr
and s.sql_id = sq.sql_id(+)
and p.spid = '&ospid';
4.RAC
--TFA收集最近5h的日志
tfactl diagcollect –all –since 5h
--crsctl stat res -t
crsctl stat res -t
--crsctl stat res -t -init
crsctl stat res -t -init
--disktimeout
crsctl get css disktimeout
--misscount
crsctl get css misscount
--votedisk
crsctl query css votedisk
--ocrcheck
ocrcheck
--crs_stat
crs_stat -t -v
5.DG
--gv$database
SELECT inst_id,
name,
open_mode,
database_role,
switchover_status,
force_logging,
dataguard_broker,
guard_status
FROM gv$database;
--v$dataguard_stats
set lines 1000
select * from v$dataguard_stats;
--check_dg
select app.thread#,
app.max_applied_seq,
arc.max_seq,
arc.max_seq - app.max_applied_seq gap
from (select thread#, max(sequence#) max_applied_seq
from v$archived_log
where applied = 'YES'
group by thread#) app,
(select thread#, max(sequence#) max_seq
from v$archived_log
where 1 = 1
group by thread#) arc
where app.thread# = arc.thread#;
--current_scn
select current_scn || '' from v$database;
--archivelog
select thread#, sequence#, applied
from v$archived_log
where applied <> 'YES'
order by 1, 2;
--cancel apply
alter database recover managed standby database cancel;
--switch_log
alter system switch logfile;
--v$archive_dest
select error from v$archive_dest where dest_id=&dest_id;
--switch_phy
alter database commit to switchover to physical standby with session shutdown;
--switch_pri
alter database commit to switchover to primary with session shutdown;
--recover_std
alter database recover managed standby database disconnect from session;
--recover_std_real
alter database recover managed standby database using current logfile disconnect from session;
--message
select message from v$dataguard_status;
6.ASM
--v$asm_diskgroup
select group_number,
name,
total_mb,
free_mb,
USABLE_FILE_MB,
offline_disks,
state,
type
from v$asm_diskgroup;
--v$asm_diskgroup_2
select group_number,
name,
TYPE,
total_mb / 1024 TOTAL_GB,
free_mb / 1024 FREE_GB,
free_mb / total_mb * 100 free_percent,
state
from v$ASM_DISKGROUP;
--v$asm_disk
col path for a50
select group_number, disk_number, name, path, failgroup, mode_status, voting_file
from v$asm_disk
order by 1, 2;
7.OGG
--ggsci
./ggsci
8.Report
--create snapshot
exec DBMS_WORKLOAD_REPOSITORY.create_snapshot();
--AWR
@?/rdbms/admin/awrrpt
--ASH
@?/rdbms/admin/ashrpt
--SQRPT
@?/rdbms/admin/awrsqrpt
--ADDM
@?/rdbms/admin/addmrpt
--awrddrpt
@?/rdbms/admin/awrddrpt
--awrgrpt
@?/rdbms/admin/awrgrpt
--awrextr
@?/rdbms/admin/awrextr
--awrload
@?/rdbms/admin/awrload
9.Trace
--10046
alter session set events '10046 trace name context forever, level 12';
--10046 off
alter session set events '10046 trace name context off';
--10046_2
exec dbms_monitor.session_trace_enable(&sid,&serial,waits=>true,binds=>true);
--10046_2 off
exec dbms_monitor.session_trace_disable(&sid,&serial);
--10046 trace
SELECT d.VALUE || '/' || LOWER(RTRIM(i.INSTANCE, CHR(0))) || '_ora_' ||
p.spid || '.trc' AS "trace_file_name"
FROM (SELECT p.spid
FROM v$mystat m, v$session s, v$process p
WHERE m.statistic# = 1
AND s.SID = m.SID
AND p.addr = s.paddr) p,
(SELECT t.INSTANCE
FROM v$thread t, v$parameter v
WHERE v.NAME = 'thread'
AND (v.VALUE = 0 OR t.thread# = TO_NUMBER(v.VALUE))) i,
(SELECT VALUE FROM v$parameter WHERE NAME = 'user_dump_dest') d;
--tkprof
--oradebug
oradebug dump ashdumpseconds 30
--hanganalyze
单实例
sqlplus / as sysdba
oradebug setmypid
oradebug unlimit
oradebug hanganalyze 3
--wait about 1 min..
oradebug hanganalyze 3
多实例RAC
sqlplus / as sysdba
oradebug setmypid
oradebug unlimit
oradebug setinst all
oradebug -g all hanganalyze 3
--wait about 1 min..
oradebug -g all hanganalyze 3
--systemstate
主要有l不同级别的，258 266 267 10
单实例
sqlplus / as sysdba
oradebug setmypid
oradebug unlimit
oradebug dump systemstate 266
--wait about 1 min..
oradebug dump systemstate 266
oradebug tracefile_name
多实例RAC
sqlplus / as sysdba
oradebug setorapname reco
oradebug unlimit
oradebug -g all dump systemstate 266
--wait about 1 min..
oradebug -g all dump systemstate 266
oradebug tracefile_name
10.kill
--kill session
alter system kill session '&sid,&serial' immediate;
--os_kill_by_sid
select 'kill -9 ' || p.spid
from v$process p, v$session s
where p.addr = s.paddr
and s.sid = &sid
and s.serial# = &serial;
--os_kill_by_sqlid
select 'kill -9 ' || p.spid
from v$process p, v$session s
where p.addr = s.paddr
and s.sql_id = '&sql_id';
--kill_all_session
select 'alter system disconnect session '''||sid||','||serial#||''''||' immediate;' from v$session where username = '&username';
11.RMAN
--conn
rman target /
--show all
show all;
--report need backup
report need backup;
--del_arch
delete archivelog all completed before 'sysdate-1/12';
--rman_longops
SELECT SID, SERIAL#, CONTEXT, SOFAR, TOTALWORK, ROUND(SOFAR/TOTALWORK*100,2) "COMPLETE_%"
FROM GV$SESSION_LONGOPS
WHERE OPNAME LIKE 'RMAN%' AND OPNAME NOT LIKE '%aggregate%' AND TOTALWORK != 0 AND SOFAR <> TOTALWORK;
--v$rman_backup_job_details
select SESSION_KEY, SESSION_RECID, SESSION_STAMP, START_TIME, END_TIME, STATUS, ELAPSED_SECONDS from V$RMAN_BACKUP_JOB_DETAILS;
--v$rman_output
select output from V$RMAN_OUTPUT where SESSION_KEY=&SESSION_KEY and SESSION_RECID=&SESSION_RECID and SESSION_STAMP=&SESSION_STAMP;
--redo
SELECT TO_CHAR(first_time,'MM/DD') DAY, SUM(DECODE(TO_CHAR(first_time, 'HH24'),'00',1,0)) H00
, SUM(DECODE(TO_CHAR(first_time, 'HH24'),'01',1,0)) H01
, SUM(DECODE(TO_CHAR(first_time, 'HH24'),'02',1,0)) H02
, SUM(DECODE(TO_CHAR(first_time, 'HH24'),'03',1,0)) H03
, SUM(DECODE(TO_CHAR(first_time, 'HH24'),'04',1,0)) H04
, SUM(DECODE(TO_CHAR(first_time, 'HH24'),'05',1,0)) H05
, SUM(DECODE(TO_CHAR(first_time, 'HH24'),'06',1,0)) H06
, SUM(DECODE(TO_CHAR(first_time, 'HH24'),'07',1,0)) H07
, SUM(DECODE(TO_CHAR(first_time, 'HH24'),'08',1,0)) H08
, SUM(DECODE(TO_CHAR(first_time, 'HH24'),'09',1,0)) H09
, SUM(DECODE(TO_CHAR(first_time, 'HH24'),'10',1,0)) H10
, SUM(DECODE(TO_CHAR(first_time, 'HH24'),'11',1,0)) H11
, SUM(DECODE(TO_CHAR(first_time, 'HH24'),'12',1,0)) H12
, SUM(DECODE(TO_CHAR(first_time, 'HH24'),'13',1,0)) H13
, SUM(DECODE(TO_CHAR(first_time, 'HH24'),'14',1,0)) H14
, SUM(DECODE(TO_CHAR(first_time, 'HH24'),'15',1,0)) H15
, SUM(DECODE(TO_CHAR(first_time, 'HH24'),'16',1,0)) H16
, SUM(DECODE(TO_CHAR(first_time, 'HH24'),'17',1,0)) H17
, SUM(DECODE(TO_CHAR(first_time, 'HH24'),'18',1,0)) H18
, SUM(DECODE(TO_CHAR(first_time, 'HH24'),'19',1,0)) H19
, SUM(DECODE(TO_CHAR(first_time, 'HH24'),'20',1,0)) H20
, SUM(DECODE(TO_CHAR(first_time, 'HH24'),'21',1,0)) H21
, SUM(DECODE(TO_CHAR(first_time, 'HH24'),'22',1,0)) H22
, SUM(DECODE(TO_CHAR(first_time, 'HH24'),'23',1,0)) H23
, COUNT(*)||'('||trim(to_char(sum(blocks*block_size)/1024/1024,'99,999.9'))||'M)' TOTAL
FROM (select max(blocks) blocks,max(block_size) block_size,max(first_time) first_time from v$archived_log a where COMPLETION_TIME > sysdate - &day and dest_id = 1 group by sequence#)
group by TO_CHAR(first_time,'MM/DD'), TO_CHAR(first_time,'YYYY/MM/DD')
order by TO_CHAR(first_time,'YYYY/MM/DD') desc;
12.xplan
--temp_sql_id
temp_sql_id
--sql_hist_plan
set linesize 1000 pagesize 999
col BEGIN_INTERVAL_TIME for a25
col END_INTERVAL_TIME for a25
col instance_number for 99
select a.snap_id,
a.sql_id,
a.instance_number,
b.BEGIN_INTERVAL_TIME,
b.END_INTERVAL_TIME,
a.EXECUTIONS_TOTAL,
a.EXECUTIONS_DELTA,
a.plan_hash_value,
a.CPU_TIME_DELTA
from wrh$_sqlstat a, wrm$_snapshot b
where a.snap_id = b.snap_id
and a.instance_number = b.instance_number
and a.sql_id = '&sql_id'
order by 4, 1, 3;
--current_schema
alter session set current_schema = &schema;
--explain plan for
set linesize 1000 pagesize 999
explain plan for
SQL Text;
--SQL Text
SQL_TEXT
--display
select * from table(dbms_xplan.display);
--display_cursor
select * from table(dbms_xplan.display_cursor(null,null,'advanced'));
--display_awr
select * from table(dbms_xplan.display_awr('&sqlid'));
--awrsqrpt
@?/rdbms/admin/awrsqrpt
--bind_value
select dbms_sqltune.extract_bind(bind_data, 1).value_string||'-'|| dbms_sqltune.extract_bind(bind_data, 2).value_string ||'-'|| dbms_sqltune.extract_bind(bind_data, 3)
.value_string ||'-'|| dbms_sqltune.extract_bind(bind_data, 4).value_string ||'-'|| dbms_sqltune.extract_bind(bind_data, 5)
.value_string ||'-'|| dbms_sqltune.extract_bind(bind_data, 6).value_string
from wrh$_sqlstat
where sql_id = '&sql_id';