Need help with (offset, sequence) of Record.

[tuyennguyentech]

Can anyone explain for me the meaning of offset and sequence fields of Record struct pls. I found that when encode a Vec<Record>. It only produce successfully if offset increases one by one from 0 and sequence can increase one by one from arbitrary number.

[WShad]

As noted on field's comments: offset:

Message offset within a partition.

It's about order in partition.

sequence:

Sequence identifier used for idempotent delivery.

Record will not be duplicated if same identifier was already delivered.