1. disk_asynch_io=false,filesystemio_options=none or filesystemio_options=directio (Oracle init parameter)
2. _aiowait_timeouts = 250 (Oracle init parameter)
SQL>alter system set "_aiowait_timeouts" = 300 scope=spfile;
3. fs.aio-max-nr = 10485760 (/etc/sysctl.conf)
This man is too old to remember everything in his brain. Right now, he needs a place to write down what he has studied.
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