memcached
memcached:不支持持久化
linux安装memcached:
1.yum安装
yum search memcached|grep ^memcached
2.源码安装
a.安装依赖: yum install -y gcc gcc-c++ automake autoconf make cmake libevent-devel.x86_64
b.下载源码: wge...
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memcached:不支持持久化
linux安装memcached:
1.yum安装
yum search memcached|grep ^memcached
2.源码安装
a.安装依赖: yum install -y gcc gcc-c++ automake autoconf make cmake libevent-devel.x86_64
b.下载源码: wge...
CREATE TABLE orders (
order_id INT NOT NULL AUTO_INCREMENT,
customer_id INT NOT NULL,
order_date DATE NOT NULL,
total_amount DECIMAL(10, 2),
PRIMARY KEY (order_id, order_date)
)
PARTITION BY RANGE (YEAR(orde...
缓冲池:
innodb_buffer_pool_size
innodb_buffer_pool_instances
innodb_log_buffer_size
innodb_log_file_size
临时表:
tmp_table_size
max_heap_table_size
磁盘临时表
innodb_tmpdir
innodb_tmp_tablespace
缓存刷新:
innodb_flush_log_at_tr...
raid0 高性能,没有冗余,一个不能坏
raid1 只有一半容量可以用
raid5 N-1 有一块硬盘不能用
raid6 N-2 有两块硬盘不能用
raid10 结合raid0和raid1,高性能,一半容量不能用
kettle(水壶)
ETL工具
(Extract-Transform-Load)(抽取/转换/加载)
验证kettle构建API使外...