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使备份表支持innodb 表压缩 #2
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1 mysql备份数据库 调整配置参数开启压缩功能
my.cnf中增加 innodb_file_format = Barracuda innodb_file_format_max = Barracuda
mysql中执行 set global innodb_file_format="Barracuda"; set global innodb_file_format_max="Barracuda";
ps 如不做上述操作 也可使用,只有在做 tablespace import时会出现导入失败问题
2 如已存在相关的备份表 需要手动修改为压缩表
alter table table1 ROW_FORMAT=COMPRESSED;
3 新增备份表将自动建立为压缩表