Mysql 8.0 OCP认证考试原题题库整理-第5题(CUUG内部资料)

Mysql 8.0 OCP认证考试原题题库整理(CUUG内部资料)-第5题

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

Mysql 8.0 OCP认证考试原题题库整理-第5题(CUUG内部资料)

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