What is the real meaning of negative value in Vertex.

[mahender bigdata]

Hi ,

Can any one throw some information on below results of TEZ. What is the 
real meaning of negative value in Vertex. Please explain or share the link

Map 1: 0(+77,-1)/122      Map 2: 1/1

Map 1: 0(+77,-2)/122      Map 2: 1/1

Map 1: 0(+77,-3)/122      Map 2: 1/1

………………………………………………………….

…………………………………………………………

Map 1: 0(+77,-171)/122 Map 2: 1/1

Map 1: 0(+77,-172)/122 Map 2: 1/1

Map 1: 0(+77,-174)/122 Map 2: 1/1

Map 1: 0(+77,-176)/122 Map 2: 1/1

Map 1: 0(+77,-177)/122 Map 2: 1/1

Map 1: 0(+77,-179)/122 Map 2: 1/1

Map 1: 0(+77,-180)/122 Map 2: 1/1

Map 1: 0(+77,-181)/122 Map 2: 1/1

Map 1: 0(+77,-183)/122 Map 2: 1/1

Map 1: 0(+77,-185)/122 Map 2: 1/1


What might be reasons for getting negative values in Map1 executing in 
TEX HIVe 1.2 version.

Thanks in advance