When we run the instance on three nodes without a preferred node wait events are as follows: Event Waits Time(s) Avg Wait(ms) % Total Call Time Wait Class removed from this listing. of Oracle tuning scripts. I made a career switch, emigrated, learned a new language and moved into the IT industry starting 2000. again point to network tuning. The Per Second view shows the number of transactions compared to the number of logons, and the amount of physical reads compared to the redo size per second. The Per Transaction view shows the amount of physical reads compared to the redo size per transaction. Coughs, colds, sore throats, flu and most fevers. it. Oracle Enterprise Manager 13.5.0.13 download available on My Oracle Support. Single Instance. The gc cr request wait event specifies the time it takes to retrieve the data from the remote cache. Review issues that are affecting the entire cluster as well as those that are affecting individual instances. In Oracle RAC, the wait time is attributed to an event which reflects the exact outcome of a request. skip prepare failure 37 0.1 6.2, global lock snap_id between nnn and nnn+1and Oracle Enterprise Manager also provides current data, called real-time data. SupportApps to perform tasks on its behalf. x 478 1 1 2 79.7, control file sequential read ForumClass ------------ ---------- ---------- ------ --------, global cache cr DBAOracle 1. To help triage the performance issues related to services, Oracle Enterprise Manager aggregates the activity data at the following levels: All the activity data is presented in 12 categories: CPU, Scheduler, User I/O, System I/O, Concurrency, Application, Commit, Configuration, Administrative, Network, Cluster and Other. GES (Global Enqueue Service) and GCS. Oracle RAC Wait Events The load-oriented wait events indicate that a delay in processing has occurred in the GCS, which is usually caused by high load, CPU saturation and would have to be solved by additional CPUs, load-balancing, off loading processing to different times or a new cluster node. client 4,040 0 0 0 673.3, -------------------------------------------------------------. DatabaseJournal.com publishes relevant, up-to-date and pragmatic articles on the use of database hardware and management tools and serves as a forum for professional knowledge about proprietary, open source and cloud-based databases--foundational technology for all IT systems.

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