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cell list of blocks physical read等待事件
This is an Exadata wait event similar to 'db file parallel read' and normally occurs during multi-block reads of non-contiguous blocks. The most common operations associated with this wait event are index range scans, index unique scans and lookups by rowid.
Solutions
Review solutions for db file parallel read for more information.
posted on 2013-03-19 00:47 Oracle和MySQL 阅读(258) 评论(0) 编辑 收藏 举报
