Encounter nquad count limitation

[amaster507 (Anthony Master)]

What is NQuad count and how can I increase it's limit?

Trying to do some “large” bulk batch delete operations and getting: failed because Dgraph execution failed because NQuad count in the request: 1002000, is more that threshold: 1000000 How can I fix this? Edit For clarity that this is about GraphQL, here the mutation I used: mutation { deleteFoo(filter: {has: id}) {numUids} }