本文探讨了磁盘I/O性能问题的解决方法，包括如何减少写操作次数以提高一致性慢速性能，以及如何诊断和解决导致性能异常波动的问题。
Often a write to disk.
Solutions
Consistent Slow Performance
Improve I/O
Investigate if the application can be changed to perform fewer writes.
Abnormal Variations in Performance
Investigate potential problems with the operating systems or I/O sub-system.
Investigate contention at the disk/controller level.
转载于:https://www.cnblogs.com/macleanoracle/archive/2013/03/19/2967908.html
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