The binlog event header starts each event and is either 13 or 19 bytes long, depending on the binlog version.
- Binlog::EventHeader:
-
Binlog header
- Payload
4 timestamp 1 event type 4 server-id 4 event-size if binlog-version > 1: 4 log pos 2 flags- Fields
timestamp (4) -- seconds since unix epoch
event_type (1) -- see Binlog Event Type
server_id (4) -- server-id of the originating mysql-server. Used to filter out events in circular replication.
event_size (4) -- size of the event (header, post-header, body)
log_pos (4) -- position of the next event
flags (2) -- see Binlog Event Flag