LOB Segments and enq: HW Contention
Oracle, RAC,Exadata, SRVCTL, Cluster, Streams, XStream, TimesTen, Data Guard, Replication , Security, Database Vault, FGA, RLS, Backup and Recovery, RMAN, Performance and Tuning, Flashback, OID, BPEL, OTM, EBS, E-Business, Certification, OCP, OCM, Opatch, SRVCTL, Oracle Golden Gate If you have LOB segments and are experiencing system wait event 'enq: HW Contention' then you should use this workaro
HW enqueue contention with LOB - AskDba.org Weblog
Definition Enqueues are local locks that serialize access to various resources. Enqueue wait event indicates a wait for a lock that is held by another session (or sessions) in an incompatible mode to the requested mode. HW Enqueue – High Watermark enqueue is acquired when a segment’s high water mark is moved, which will normally happen during a heavy insert operation on the segment. Detailed expla
1
リリース、障害情報などのサービスのお知らせ
最新の人気エントリーの配信
処理を実行中です
j次のブックマーク
k前のブックマーク
lあとで読む
eコメント一覧を開く
oページを開く
