Performance Issue: WebCenter Sites Unresponsive Due to High Number Of Application Server Threads Blocking on DataBase Driver Connection threads
Last updated on JANUARY 16, 2017
Applies to:Oracle WebCenter Sites - Version 6.3.0 and later
Information in this document applies to any platform.
Threads wait indefinitely trying to obtain database connection, causing appserver to stop responding.
High number of threads on application server are blocking on database driver methods, and WebCenter Sites becomes unstable.
- Quantity of threads in application server keeps going up and never down again until a restart of application server
- Issue occurs on all cluster members. Sometimes on one server, sometimes on more than one server.
Thread dumps during time of slow performance may show many threads in some of the following states:
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