2016年
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ASM diskgroup dismount with "Waited 15 secs for write IO to PST"
ASM diskgroup dismount with "Waited 15 secs for write IO to PST" (文档 ID 1581684.1)转到底部In...
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ASM diskgroup dismount with "Waited 15 secs for write IO to PST"
ASM diskgroup dismount with "Waited 15 secs for write IO to PST" (文档 ID 1581684.1)转到底部In...
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Awr报告中的IO压力解读
前言：IO也是衡量数据库的运行的另外一个重要参数，本文档从awr报告中去解读IO； 1、Load Profile,信息量太大了Redo size 单位bytes，redo size可以用来估量update/insert/delete的频率，大的redo size往往对lgwr写日志，和arch归档造成I/O压力，Per Transaction可以用来分辨是大量小事务，还是少量大...
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Log Buffer概论
Configuring and Using the Redo Log Buffer配置和使用redo log bufferServer processes making changes to data blocks in the buffer cache generate redo datainto the log buffer. LGWR begins writing to cop...
