OGG rep運作慢的分析步驟:
第一:按照rep的程序名進行 ps -ef | grep ,獲得rep的程序PID
[[email protected] ~]$ ps -ef | grep repfull
oracle 27906 27861 0 18:01 pts/7 S+ 0:00 \_ grep repfull
oracle 27603 20773 1 17:03 ? Ssl 0:51 \_ /u02/ggs/replicat PARAMFILE /u02/ggs/dirprm/repfull.prm REPORTFILE /u02/ggs/dirrpt/REPFULL.rpt PROCESSID REPFULL USESUBDIRS
第二:按照rep的程序PID 進行 ps -ef | grep,以獲得27603産生的LOCAL=YES的程序
[[email protected] ~]$ ps -ef f | grep 27603
oracle 27910 27861 0 18:01 pts/7 S+ 0:00 \_ grep 27603
oracle 27603 20773 1 17:03 ? Ssl 0:52 \_ /u02/ggs/replicat PARAMFILE /u02/ggs/dirprm/repfull.prm REPORTFILE /u02/ggs/dirrpt/REPFULL.rpt PROCESSID REPFULL USESUBDIRS
oracle 27607 27603 2 17:03 ? Ds 1:41 \_ oracleorcl (DESCRIPTION=(LOCAL=YES)(ADDRESS=(PROTOCOL=beq))) ---->這一個就是。
[[email protected] ~]$
sqlplus 裡執行如下sql即可:
SELECT sql_text,sql_id FROM v$sqltext a WHERE a.hash_value = (SELECT sql_hash_value FROM v$session b
WHERE b.SID =( select s.sid from v$session s,v$process p where s.paddr=p.addr and p.spid='27607')) ---> 替換上27607
ORDER BY piece ASC;
select plan_table_output from table(dbms_xplan.display_cursor('6ufrk02y1h6u5')); --->替換為上一步查詢得到的sql_id,檢視其執行計劃。