gc buffer busy acquire問題處理
某日19點，客戶反饋出現卡頓。資料庫版本為：11.2.0.4的rac環境
分別檢視2個節點awr的等待事件：
節點1：enq: TX - index contention
節點2：gc buffer busy acquire
檢視mos：
根據 workaround 可以設定 _gc_read_mostly_locking=FALSE後，問題已解決。
來自 “ ITPUB部落格 ” ，連結：https://blog.itpub.net/70021989/viewspace-3006619/，如需轉載，請註明出處，否則將追究法律責任。
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