diff --git a/lib/ns/xfrout.c b/lib/ns/xfrout.c
index 0212887e91..f98ab6b7f5 100644
--- a/lib/ns/xfrout.c
+++ b/lib/ns/xfrout.c
@@ -645,11 +645,22 @@ static rrstream_methods_t compound_rrstream_methods = {
 };
 
 /**************************************************************************/
-/*
+
+/*%
+ * Structure holding outgoing transfer statistics
+ */
+struct xfr_stats {
+	uint64_t	nmsg;	/*%< Number of messages sent */
+	uint64_t	nrecs;	/*%< Number of records sent */
+	uint64_t	nbytes;	/*%< Number of bytes sent */
+	isc_time_t	start;	/*%< Start time of the transfer */
+	isc_time_t	end;	/*%< End time of the transfer */
+};
+
+/*%
  * An 'xfrout_ctx_t' contains the state of an outgoing AXFR or IXFR
  * in progress.
  */
-
 typedef struct {
 	isc_mem_t 		*mctx;
 	ns_client_t		*client;
@@ -670,7 +681,6 @@ typedef struct {
 	isc_buffer_t		txbuf;		/* Transmit message buffer */
 	void 			*txmem;
 	unsigned int 		txmemlen;
-	unsigned int		nmsg;		/* Number of messages sent */
 	dns_tsigkey_t		*tsigkey;	/* Key used to create TSIG */
 	isc_buffer_t		*lasttsig;	/* the last TSIG */
 	bool			verified_tsig;	/* verified request MAC */
@@ -678,6 +688,7 @@ typedef struct {
 	int			sends;		/* Send in progress */
 	bool			shuttingdown;
 	const char		*mnemonic;	/* Style of transfer */
+	struct xfr_stats	stats;		/*%< Transfer statistics */
 } xfrout_ctx_t;
 
 static isc_result_t
@@ -1186,7 +1197,6 @@ xfrout_ctx_create(isc_mem_t *mctx, ns_client_t *client, unsigned int id,
 	xfr->tsigkey = tsigkey;
 	xfr->lasttsig = lasttsig;
 	xfr->verified_tsig = verified_tsig;
-	xfr->nmsg = 0;
 	xfr->many_answers = many_answers;
 	xfr->sends = 0;
 	xfr->shuttingdown = false;
@@ -1198,6 +1208,11 @@ xfrout_ctx_create(isc_mem_t *mctx, ns_client_t *client, unsigned int id,
 	xfr->stream = NULL;
 	xfr->quota = NULL;
 
+	xfr->stats.nmsg = 0;
+	xfr->stats.nrecs = 0;
+	xfr->stats.nbytes = 0;
+	isc_time_now(&xfr->stats.start);
+
 	/*
 	 * Allocate a temporary buffer for the uncompressed response
 	 * message data.  The size should be no more than 65535 bytes
@@ -1483,6 +1498,8 @@ sendstream(xfrout_ctx_t *xfr) {
 		dns_message_addname(msg, msgname, DNS_SECTION_ANSWER);
 		msgname = NULL;
 
+		xfr->stats.nrecs++;
+
 		result = xfr->stream->methods->next(xfr->stream);
 		if (result == ISC_R_NOMORE) {
 			xfr->end_of_stream = true;
@@ -1537,8 +1554,6 @@ sendstream(xfrout_ctx_t *xfr) {
 	/* Advance lasttsig to be the last TSIG generated */
 	CHECK(dns_message_getquerytsig(msg, xfr->mctx, &xfr->lasttsig));
 
-	xfr->nmsg++;
-
  failure:
 	if (msgname != NULL) {
 		if (msgrds != NULL) {
@@ -1621,10 +1636,20 @@ xfrout_senddone(isc_task_t *task, isc_event_t *event) {
 
 	INSIST(event->ev_type == ISC_SOCKEVENT_SENDDONE);
 
-	isc_event_free(&event);
 	xfr->sends--;
 	INSIST(xfr->sends == 0);
 
+	/*
+	 * Update transfer statistics if sending succeeded, accounting for the
+	 * two-byte TCP length prefix included in the number of bytes sent.
+	 */
+	if (evresult == ISC_R_SUCCESS) {
+		xfr->stats.nmsg++;
+		xfr->stats.nbytes += sev->region.length - 2;
+	}
+
+	isc_event_free(&event);
+
 	(void)isc_timer_touch(xfr->client->timer);
 	if (xfr->shuttingdown == true) {
 		xfrout_maybe_destroy(xfr);
@@ -1634,8 +1659,28 @@ xfrout_senddone(isc_task_t *task, isc_event_t *event) {
 		sendstream(xfr);
 	} else {
 		/* End of zone transfer stream. */
+		uint64_t msecs, persec;
+
 		inc_stats(xfr->client, xfr->zone, ns_statscounter_xfrdone);
-		xfrout_log(xfr, ISC_LOG_INFO, "%s ended", xfr->mnemonic);
+		isc_time_now(&xfr->stats.end);
+		msecs = isc_time_microdiff(&xfr->stats.end, &xfr->stats.start);
+		msecs /= 1000;
+		if (msecs == 0) {
+			msecs = 1;
+		}
+		persec = (xfr->stats.nbytes * 1000) / msecs;
+		xfrout_log(xfr, ISC_LOG_INFO,
+			   "%s ended: "
+			   "%" PRIu64 " messages, %" PRIu64 " records, "
+			   "%" PRIu64 " bytes, "
+			   "%u.%03u secs (%u bytes/sec)",
+			   xfr->mnemonic,
+			   xfr->stats.nmsg, xfr->stats.nrecs,
+			   xfr->stats.nbytes,
+			   (unsigned int) (msecs / 1000),
+			   (unsigned int) (msecs % 1000),
+			   (unsigned int) persec);
+
 		ns_client_next(xfr->client, ISC_R_SUCCESS);
 		xfrout_ctx_destroy(&xfr);
 	}