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2025-09-24 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Database >
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Shulou(Shulou.com)06/01 Report--
Wait EventR/WSynchronous
/ AsynchronousSingleblock/
MultiblockElapsed Time
(with 1000 + waits per hour) control file parallel writeWrite
AsynchronousMulti < 15mscontrol file sequential readRead
SynchronousSingle < 20 msdb file parallel readReadAsynchronousMulti < 20 msdb file scattered readReadSynchronousMulti < 20 msdb file sequential readReadSynchronousSingle < 20 msdirect path readReadAsynchronousMulti < 20 msdirect path read tempReadAsynchronousMulti < 20 msdirect path writeWriteAsynchronousMulti < 15 msdirect path write tempWriteAsynchronousMulti < 15 mslog file parallel writeWriteAsynchronousMulti < 15 msExadata Related
Cell smart table scanReadAsynchronousMulti < 1 mscell single block physical readReadSynchronousSingle < 1 mscell multiblock physical readReadSynchronousMulti < 6 ms
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