OracleRecipes __ Monitor Long Running Oracle Operations
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Transcript of OracleRecipes __ Monitor Long Running Oracle Operations
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3/27/2015 OracleRecipes::MonitorlongrunningOracleoperations
http://www.oraclerecipes.com/monitoring/monitorlongrunningoracleoperations/ 1/2
oraclerecipes
ProblemWanttoknowhowlongyouhavetowaituntiltheoperationfinishes?Sometimeswhenyourunaslowquerywhichproducesafulltablescan,you'llhavetoknowhowlongit'sgoingtotakeforthequerytofinish.There'sasimplequerywhichshowsyouhowmanysecondselapsedandhowmanysecondsyou'llhavetowait.
Recipe#1GetdetailsaboutlongrunningoperationsRunthefollowingqueryandyou'llgetmostinformationyouneed:
SELECTosuser,sl.sql_id,sl.sql_hash_value,opname,target,elapsed_seconds,time_remainingFROMv$session_longopsslinnerjoinv$sessionsONsl.SID=s.SIDANDsl.SERIAL#=s.SERIAL#WHEREtime_remaining>0
Recipe#2ShowlongrunningSQLStatementsIfyoualsowanttoseetheSQLquerycausingthelongrunningoperation,justjoinv$sqllikeshowbelow:
SELECTs.username,sl.sid,sq.executions,sl.last_update_time,sl.sql_id,sl.sql_hash_value,opname,target,elapsed_seconds,time_remaining,sq.sql_fulltextFROMv$session_longopsslINNERJOINv$sqlsqONsq.sql_id=sl.sql_idINNERJOINv$sessionsONsl.SID=s.SIDANDsl.serial#=s.serial#WHEREtime_remaining>0
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3/27/2015 OracleRecipes::MonitorlongrunningOracleoperations
http://www.oraclerecipes.com/monitoring/monitorlongrunningoracleoperations/ 2/2
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