syntax = "proto2"; package milvus.proto.streaming.wal.pulsar; option go_package = "github.com/milvus-io/milvus/pkg/streaming/walimpls/impls/pulsar"; message MessageIdData { required uint64 ledgerId = 1; required uint64 entryId = 2; optional int32 partition = 3; optional int32 batch_index = 4; }