When you dump Replication Server queues into the RSSD, the queue entries are stored in rs_queuemsg. If rs_queuemsg table already has rows for a segment, those rows are deleted from the table before the latest rows from that segment are dumped.
Column  | 
Datatype  | 
Description  | 
|---|---|---|
q_number  | 
int  | 
Queue number  | 
q_type  | 
int  | 
Queue type  | 
q_seg  | 
int  | 
Queue segment  | 
q_blk  | 
int  | 
Queue block  | 
q_row  | 
int  | 
Queue row  | 
len  | 
int  | 
Length of the queue entry  | 
origin_site_id  | 
int  | 
Origin site ID  | 
origin_q_id  | 
binary(36)  | 
Queue ID assigned by the origin  | 
origin_time  | 
datetime  | 
Time transaction was initiated  | 
origin_user  | 
varchar(30)  | 
User who submitted transaction at origin site  | 
tran_name  | 
varchar(30)  | 
Transaction name  | 
local_q_id  | 
binary(36)  | 
Queue ID assigned by the local Replication Server  | 
status  | 
int  | 
Message status  | 
reserved  | 
int  | 
Reserved for future use  | 
tran_len  | 
smallint  | 
Length of tran_id  | 
txt_len  | 
smallint  | 
Length of command  | 
tran_id  | 
binary(120)  | 
Transaction ID  | 
lorigin_site_id  | 
int  | 
Site ID of the logical connection that is the source of the queue entries.  | 
version  | 
int  | 
Release version of the message  |