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 Avg user wait time for task 

Avg user wait time for task <task_ID>: <duration> ms, <number_of> waits, application pid <pid>

Explanation

In a lock collision, the wait for a lock to be released is very long.

This can be caused by a transaction  that is too long. Long wait times (task state vwait) can also occur when many applications want to lock the same object.

The database system attempts to execute locking tasks with higher priority within the database kernel if the locks are requested by other sessions.

For information on the current locks, see the system tables TRANSACTIONS and LOCKS of the database instance.

User Response

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