Database Tuning (MOSC)

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High HW contention in the database

edited Apr 9, 2020 5:00AM in Database Tuning (MOSC) 7 commentsAnswered

Hello,

Recently we faced the problem with HW contention waits. This problem occurs for different tables with and without lobs.

SQL ID Plan Hash Executions % Activity Event % Event Top Row Source % Row Source SQL Text

  dgzbtfqwfw9j1 266 44.26 enq: HW - contention 44.00 ** Row Source Not Available ** 44.00 INSERT INTO SIEBEL.CX_EVT_ACT...

 

  dgzbtfqwfw9j1 -> INSERT INTO SIEBEL.CX_EVT_ACT_HIST ( CONFLICT_ID, DB_LAST_UPD_SRC, DB_LAST_UPD, LAST_UPD, CREATED, LAST_UPD_BY, CREATED_BY, MODIFICATION_NUM, ROW_ID, EVT_STAT_CD, OWNER_PER_ID, PARENT_ROW_ID, RPLY_PH_NUM, SRC_DESC, SRC_ID, TARGET_PER_ID, TODO_CD, X_RESULT, EVENT_ID) VALUES (:1, :2, current_date,

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