The first offset in the message set
The last offset in the message set
The codec used in the message set
The number of shallow messages
The number of valid bytes
Are the offsets in this message set monotonically increasing
The codec used in the message set
The first offset in the message set
The last offset in the message set
Are the offsets in this message set monotonically increasing
The number of shallow messages
The number of valid bytes
Struct to hold various quantities we compute about each message set before appending to the log
The first offset in the message set
The last offset in the message set
The codec used in the message set
The number of shallow messages
The number of valid bytes
Are the offsets in this message set monotonically increasing