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  • 11G RAC 修改 SGA PGA

    vm.min_free_kbytes = 2147484 参数,这几个机器都是512的内存。

    主备库创建pfile文件

    create pfile='/tmp/pfile0808.ora' from spfile;

    备库取消应用日志

    alter database recover managed standby database cancel;---取消应用

    主库执行变更参数语句


    alter system set sga_target=270G scope=spfile sid='*';

    alter system set pga_aggregate_target=90G scope=both sid='*';

    shutdown immediate

    --回退---

    startup pfile='/tmp/pfile0808.ora';
    create spfile from pfile='/tmp/pfile0808.ora';

    shutdown immediate

    startup


    备库应用日志

    alter database recover managed standby database using current logfile disconnect from session;


    Best Practices and Recommendations for RAC databases with SGA size over 100GB (文档 ID 1619155.1)

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  • 原文地址:https://www.cnblogs.com/ss-33/p/11532327.html
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