blast结果5个G
similarSequences.txt 2.5G
运行失败，提示表的行数超过最大值，文件大小超过最大值。
需修改/etc/mysql/my.cnf
将myisam_sort_buffer_size = 8M修改为
myisam_sort_buffer_size = 64M
添加myisam_max_sort_file_size = 20G
将innodb_buffer_pool_size = 128M修改为
innodb_buffer_pool_size = 512M
将innodb_data_file_path = ibdata1:10M:autoextend:max:128M修改为
innodb_data_file_path = ibdata1:10M:autoextend:max:10G
最终运行成功