… with CentOS 5.2 as OS. This is quite typical server we recommend to run MySQL on. What is important I used Noop IO… CPUs better. Finally let me show you why I took NOOP IO scheduler instead of CFQ, there are result for XtraDB… Linux kernels 2.6.18+ (which are used on CentOS / RedHat 5.2) are coming with CFQ scheduler as default. So echo ‘noop‘ > /sys/block…
Post: Linux schedulers in tpcc like benchmark
January 30, 2009 By 19 Comments
… RedHat / CentOS 5.x may be not so good for MySQL. And yesterday one customer reported that just changing cfq to noop solved….5 noop6586.4 deadline6513.7 anticipatory1465 Here is graph of disk writes (column bo in vmstat) during benchmark As you see noop… innodb_log_buffer_size=8M innodb_log_files_in_group=2 innodb_log_file_size=128M innodb_thread_concurrency=0 innodb…
