TECH: ORA-1575 Timeout waiting for Space Management Enqueue
TECH: ORA-1575 Timeout waiting for Space Management EnqueueIntroduction
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When Oracle needs to perform a space management operation (such as
allocating temporary segments for a sort) the user session aquires a
special enqueue called the 'ST' enqueue. The ORA 1575 error indicates
that the session timed out waiting for this enqueue.
The 1575 error is usually reported by the SMON background process if
there is heavy demand for the 'ST' enqueue. The error is NOT a problem
in itself especially if it only occurs occasionally. However, if
there are a number of 1575 errors being reported this implies that the
system is spending a lot of time performing space management
operations and the reason should be investigated. This article
lists the main causes of contention for the ST enqueue.
这个是10个钱的,真想看看啊 凑钱恢复一下, 凑钱恢复一下, 凑钱恢复一下,
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