个人网站www.pixysoft.net设计系列: 目标数据库同步的重构3

同步算法改进 Turmoil sutiation

A insert 100
la100-0

A upload 100
la100-1  
w100-1/1

B  download
la100-1  
w100-1/1
lb100-1

A delete 99
la1-1  la99-1[delete]
w100-1/1
lb1-1 lb99-1

A upload
la1-2 
w1-1/2
lb1-1 lb99-1

B  download
la1-2 
w1-1/2
lb1-2

B change 1 and insert 100
la1-2 
w1-1/2
lb1-2    lb100-2

B upload
la1-2 
w1-3/3 w100-3/3
lb1-3    lb100-3

A insert 50
la1-2   la50-2
w1-3/3 w100-3/3
lb1-3    lb100-3

A download
la1-3   la100-3 la50-3
w1-3/3 w100-3/3
lb1-3    lb100-3

A upload
la1-4  la100-4 a50-4
w1-3/4  w100-3/4 w50-4/4
lb1-3    lb100-3

B  download
la1-4  la100-4 a50-4
w1-3/4  w100-3/4 w50-4/4
lb1-4    lb100-4 lb50-4