zoukankan      html  css  js  c++  java
  • Mysql 8.0 OCP认证考试原题题库整理-第5题(CUUG内部资料)

    Choose four.

    A newly deployed replication master database has a 10/90 read to write ratio.

    The complete dataset is currently 28G but will never fluctuate beyond +-10%.

    The database storage system consists of two locally attached PCI- E Enterprise grade disks (mounted as /data1 and /data2)

    The server is dedicated to this MySQL Instance.

    System memory capacity is 64G.

    The my.cnf file contents are displayed here:

    [mysqld]

    datadir=/data1/

    innodb_buffer_pool_size=28G

    innodb_log_file_size=150M

    Which four changes provide the most performance improvement, without sacrificing data integrity?

    A) innodb-doublewrite=off

    B) innodb_log_group_home_dir=/data2/

    C) innodb_log_file_size=1G

    D) innodb_undo_directory=/dev/shm

    E) log-bin=/data2/

    F) innodb_flush_log_at_trx_commit=0

    G) sync_binlog=0

    H) innodb_buffer_pool_size=32G

    I) disable-log-bin

  • 相关阅读:
    iOS刨根问底-深入理解RunLoop
    深入理解RunLoop
    Core Graphics框架 利用Quartz 2D绘图
    经济
    次贷危机的原因
    次级抵押贷款
    信用评级
    信用
    理解UIView的绘制-孙亚洲
    二级域名
  • 原文地址:https://www.cnblogs.com/cnblogs5359/p/14113675.html
Copyright © 2011-2022 走看看