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71.2. SQL 日誌監控

		
SQL> select * from v$sql;

SQL> select * from v$sqlarea;		
		
		
		
SQL> select sql_text from v$sql where rownum<10;

SQL_TEXT
----------------------------------------------------------------------------------------------------------
/* OracleOEM */ 	 SELECT SEVERITY_INDEX, CRITICAL_INICDENTS, WARNING_INCIDENTS from v$incmeter_summary
SELECT LAST_LOAD_TIME FROM MGMT_TARGETS WHERE TARGET_GUID=:B1
SELECT LAST_LOAD_TIME FROM MGMT_TARGETS WHERE TARGET_GUID=:B1
SELECT LAST_LOAD_TIME FROM MGMT_TARGETS WHERE TARGET_GUID=:B1
SELECT LAST_LOAD_TIME FROM MGMT_TARGETS WHERE TARGET_GUID=:B1
SELECT LAST_LOAD_TIME FROM MGMT_TARGETS WHERE TARGET_GUID=:B1
SELECT LAST_LOAD_TIME FROM MGMT_TARGETS WHERE TARGET_GUID=:B1
SELECT LAST_LOAD_TIME FROM MGMT_TARGETS WHERE TARGET_GUID=:B1
SELECT LAST_LOAD_TIME FROM MGMT_TARGETS WHERE TARGET_GUID=:B1

9 rows selected.

SQL> 
	
		
		
		
SQL> select sql_text from v$sqlarea where rownum<100;

SQL_TEXT
----------------------------------------------------------------------------------------------------------
/* OracleOEM */ 	 SELECT SEVERITY_INDEX, CRITICAL_INICDENTS, WARNING_INCIDENTS from v$incmeter_summary
SELECT LAST_LOAD_TIME FROM MGMT_TARGETS WHERE TARGET_GUID=:B1
SELECT BLACKOUT_GUID, START_TIME, END_TIME, STATUS FROM MGMT_BLACKOUT_WINDOWS WHERE TARGET_GUID=:B2 AND START_TIME <= :B1
UPDATE MGMT_TARGETS SET LAST_LOAD_TIME=:B2 WHERE TARGET_GUID = :B1 AND (LAST_LOAD_TIME < :B2 OR LAST_LOAD_TIME IS NULL)
SELECT ROWID FROM EMDW_TRACE_DATA WHERE LOG_TIMESTAMP < :B2 AND CONTEXT_TYPE_ID = NVL(:B1 ,CONTEXT_TYPE_ID) ORDER BY ROWID ASC
SELECT SYSTEM_JOB, JOB_NAME, JOB_OWNER FROM MGMT_JOB WHERE JOB_ID=:B1
update sys.job$ set this_date=:1 where job=:2
...
...
...
SELECT * FROM AQ_MNTR_MSGS_PERSQSUBS where rownum <=1

SQL_TEXT
----------------------------------------------------------------------------------------------------------
select timestamp, flags from fixed_obj$ where obj#=:1
SELECT STEP_STATUS FROM MGMT_JOB_EXECUTION WHERE STEP_ID=:B1

99 rows selected.

SQL>
		
		

查看 module

		
SQL> select module from v$sql group by module;

MODULE
----------------------------------------------------------------

SQL Developer
Oracle Enterprise Manager.string history purge
Data Pump Worker
OEM.BoundedPool
SEVERITY EVALUATION
STREAMS
emagent_SQL_oracle_database
OEM.SystemPool
sqlplus@orcl.example.com (TNS V1-V3)
OMS
DBMS_SCHEDULER
Oracle Enterprise Manager.rollup
OEM.CacheModeWaitPool
OEM.DefaultPool
Oracle Enterprise Manager.metric error purge
SQL*Plus
Oracle Enterprise Manager.purge system performan
Oracle Enterprise Manager.purge system error log
MMON_SLAVE
emagent_AQMetrics
perl@orcl.example.com (TNS V1-V3)
JDBC Thin Client
Oracle Enterprise Manager.Metric Engine

EM_PING
Oracle Enterprise Manager.current metric purge

27 rows selected.		
		
		

查詢JDBC SQL操作日誌

		
SQL> select module,first_load_time,sql_text from v$sql  where MODULE='JDBC Thin Client' and rownum<10 order by first_load_time desc;

MODULE			 FIRST_LOAD_TIME		      SQL_TEXT
---------------------------------------------------------------- ---------------------------------------------------------------------------- 
JDBC Thin Client	 2016-02-29/16:47:35      INSERT INTO CUSTOMER VALUES (LPAD(CUSTOMER.NEXTVAL, 27, 0), :B8 , :B7 , :B6 , :B5 , SYSDATE, :B4 , :B3 , :B2 , :B1 )
JDBC Thin Client	 2016-02-29/10:08:25      SELECT * FROM LOTTERYS WHERE ID = :B1 FOR UPDATE NOWAIT
JDBC Thin Client	 2016-02-29/10:08:25      SELECT COUNT(1) FROM ADMIN WHERE (FUNCTIONRIGHTS LIKE '%,' || :B2 || ',%') AND LOGINNAME = :B1
JDBC Thin Client	 2016-02-29/09:52:41      SELECT SUM(C.AMOUNT) AMOUNT FROM LOTTERYS C WHERE  FLAG = :1
JDBC Thin Client	 2016-02-29/09:51:32      SELECT COUNT(1) COUNT FROM CUSTOMER WHERE LOGINNAME = :1
JDBC Thin Client	 2016-02-29/09:29:06      BEGIN ...
JDBC Thin Client	 2016-02-29/09:29:06      SELECT ...
JDBC Thin Client	 2016-02-29/09:28:15      SELECT ...
JDBC Thin Client	 2016-02-29/09:25:34      SELECT FLAG FROM ADMIN WHERE LOGINNAME = :B1

9 rows selected.

		
		

查看 SQL Developer 操作日誌

		
SQL> select module,first_load_time,sql_text from v$sql  where MODULE='SQL Developer' and rownum<10 order by first_load_time desc;

MODULE			FIRST_LOAD_TIME	     	SQL_TEXT
---------------------------------------------------------------- ---------------------------------------------------------------------------- 
SQL Developer	2016-02-29/16:18:42	     BEGIN DBMS_OUTPUT.ENABLE() ; END;
SQL Developer	2016-02-29/14:14:18	     select * from customer order by id desc
SQL Developer	2016-02-29/09:47:31	     SELECT TEXT FROM SYS.DBA_SOURCE	WHERE TYPE = :TYPE AND OWNER = :OWNER AND NAME = :NAME	ORDER BY LINE
SQL Developer	2016-02-29/09:30:44	     SELECT /*OracleDatabaseImpl.ALL_PARTITIONING_QUERY*/	  VALUE FROM V$OPTION WHERE PARAMETER='Partitioning'
SQL Developer	2016-02-29/09:27:31	     select 1 from dba_dependencies where 1=2
SQL Developer	2016-02-29/09:20:00	     ...
SQL Developer	2016-02-29/09:19:22	     ...
SQL Developer	2016-02-29/09:19:16	     select 1 from dba_triggers where 1=2
SQL Developer	2016-02-29/09:19:14	     select sys_context('USERENV','SESSIONID') from dual

9 rows selected.
		
		

SQL*Plus 操作日誌

		
SQL> select module,first_load_time,sql_text from v$sql  where MODULE='SQL*Plus' order by first_load_time desc;

MODULE		FIRST_LOAD_TIME	     	SQL_TEXT
---------------------------------------------------------------- ---------------------------------------------------------------------------- ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
SQL*Plus	2015-12-02/08:54:58	    insert into sys.aud$( sessionid,entryid,statement,ntimestamp#, userid,userhost,terminal,action#,returncode, logoff$lread,logoff$pread,logoff$lwrite,logoff$dead, logoff$time,comment$text,spare1,clientid,sessioncpu,proxy$sid,user$guid, instance#,process#,auditid,dbid) values(:1,:2,:3,SYS_EXTRACT_UTC(SYSTIMESTAMP),     :4,:5,:6,:7,:8,	:9,:10,:11,:12,     cast(SYS_EXTRACT_UTC(systimestamp) as date),:13,:14,:15,:16,:17,:18,     :19,:20,:21,:22)
		
		

71.2.1. 查詢性能分析

			
SQL> SELECT * FROM (select PARSING_USER_ID,EXECUTIONS,SORTS, COMMAND_TYPE,DISK_READS,sql_text FROM v$sqlarea order BY disk_reads DESC )where ROWNUM<10 ;

PARSING_USER_ID EXECUTIONS	SORTS COMMAND_TYPE DISK_READS SQL_TEXT
--------------- ---------- ---------- ------------ ---------- -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
	     30        226	    0		 3    1304810 SELECT TO_CHAR(current_timestamp AT TIME ZONE 'GMT', 'YYYY-MM-DD HH24:MI:SS TZD') AS curr_timestamp, COUNT(username) AS failed_count FROM  sys.dba_audit_session WHERE returncode != 0 AND TO_CHAR(timestamp, 'YYYY-MM-DD HH24:MI:SS') >= TO_CHAR(current_timestamp - TO_DSINTERVAL('0 0:30:00'), 'YYYY-MM-DD HH24:MI:SS')
	    100     128587	    0		47	61115 DECLARE job BINARY_INTEGER := :job; next_date DATE := :mydate;  broken BOOLEAN := FALSE; BEGIN EMD_MAINTENANCE.EXECUTE_EM_DBMS_JOB_PROCS(); :mydate := next_date; IF broken THEN :b := 1; ELSE :b := 0; END IF; END;
	      0       8408	    0		 3	16041 select /*+ index(idl_ub1$ i_idl_ub11) +*/ piece#,length,piece from idl_ub1$ where obj#=:1 and part=:2 and version=:3 order by piece#
	      0 	 9	    0		 3	14618 select o.name, o.owner# from obj$ o, type$ t  where o.oid$ = t.tvoid and	bitand(t.properties,8388608) = 8388608 and (sysdate-o.ctime) > 0.0007
	      0       8408	    0		 3	10717 select /*+ index(idl_ub2$ i_idl_ub21) +*/ piece#,length,piece from idl_ub2$ where obj#=:1 and part=:2 and version=:3 order by piece#
	      0      34791	    0		 3	10171 select order#,columns,types from access$ where d_obj#=:1
	     99 	14	    0		47	 8238 BEGIN CUSTOMER.CustomerOverDue(:1 ); END;
	     99 	14	    0		 3	 8222 SELECT NAME, CREATEDATE,FLAG FROM CUSTOMER WHERE TYPE = 't'
	     30 	 1	    0		 3	 5917 SELECT TO_CHAR(TO_TIMESTAMP('2016-02-28' , 'YYYY-MM-DD') AT TIME ZONE 'GMT', 'YYYY-MM-DD HH24:MI:SS TZD') AS curr_timestamp, COUNT(username) AS failed_count FROM sys.dba_audit_session WHERE returncode != 0 AND TO_CHAR(CAST(timestamp AS DATE) , 'YYYY-MM-DD') >= '2016-02-28' AND TO_CHAR(CAST(timestamp AS DATE) , 'YYYY-MM-DD') < TO_CHAR((TO_DATE('2016-02-28', 'YYYY-MM-DD') + 1), 'YYYY-MM-DD')

9 rows selected.
			
			
			

71.2.2. IO性能分析

			
SELECT se.sid,se.serial#,pr.SPID,se.username,se.status, se.terminal,se.program,se.MODULE,se.sql_address,st.event,st. 
p1text,si.physical_reads, si.block_changes FROM v$session se,v$session_wait st, 
v$sess_io si,v$process pr WHERE st.sid=se.sid AND st.sid=si.sid AND se.PADDR=pr.ADDR AND se.sid>6 AND st. 
wait_time=0 AND st.event NOT LIKE '%SQL%' ORDER BY physical_reads DESC