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AWS appstream2 documentation change

Service: appstream2 · 2026-07-01 · Documentation low

File: appstream2/latest/developerguide/instance-session-metrics-single-session-multi-session.md

Summary

Updated metric descriptions and added new network performance metrics (UDP/TCP loss rates, congestion window, etc.)

Security assessment

Added operational monitoring metrics for network performance without security context or threat detection capabilities

Diff

diff --git a/appstream2/latest/developerguide/instance-session-metrics-single-session-multi-session.md b/appstream2/latest/developerguide/instance-session-metrics-single-session-multi-session.md
index 265bb48cb..0b33a3ae4 100644
--- a//appstream2/latest/developerguide/instance-session-metrics-single-session-multi-session.md
+++ b//appstream2/latest/developerguide/instance-session-metrics-single-session-multi-session.md
@@ -21,3 +21,8 @@ Metric | Description | Dimensions | Statistics | Units
-`InSessionLatency` |  Round trip time between WorkSpaces Application server and client measured at p90 |  [Fleet] [UserId] [FleetName, InstanceId, SessionId] [FleetName, InstanceId, SessionId, UserId] | Average, Minimum, Maximum | Milliseconds  
-`FramesPerSecond` |  Frames per second for the specific session |  [Fleet] [UserId] [FleetName, InstanceId, SessionId] [FleetName, InstanceId, SessionId, UserId] | Average, Minimum, Maximum | Count  
-`Bandwidth` |  Amount of data transferred between WorkSpaces Applications service and Client during the session. |  [Fleet] [UserId] [FleetName, InstanceId, SessionId] [FleetName, InstanceId, SessionId, UserId] | Average, Minimum, Maximum | Kilobits/Second  
+`InSessionLatency` |  The round trip time between the client and the instance. |  [Fleet] [UserId] [FleetName, InstanceId, SessionId] [FleetName, InstanceId, SessionId, UserId] | Average, Minimum, Maximum | Milliseconds  
+`UDPPacketLossRate` |  The percentage of UDP packets lost in traffic from the gateway to the client. |  [Fleet] [UserId] [FleetName, InstanceId, SessionId] [FleetName, InstanceId, SessionId, UserId] | Average, Minimum, Maximum | Percent  
+`TCPRetransmissionRate` |  The percentage of TCP segments that were retransmitted from the gateway to the client. |  [Fleet] [UserId] [FleetName, InstanceId, SessionId] [FleetName, InstanceId, SessionId, UserId] | Average, Minimum, Maximum | Percent  
+`Bandwidth` |  The rate of data transferred from the gateway to the client (outbound). |  [Fleet] [UserId] [FleetName, InstanceId, SessionId] [FleetName, InstanceId, SessionId, UserId] | Average, Minimum, Maximum | Kilobits/Second  
+`BandwidthInbound` |  The rate of data transferred from the client to the gateway (inbound). |  [Fleet] [UserId] [FleetName, InstanceId, SessionId] [FleetName, InstanceId, SessionId, UserId] | Average, Minimum, Maximum | Kilobits/Second  
+`CongestionWindow` |  The size of the congestion window at the gateway for traffic flowing to the client. |  [Fleet] [UserId] [FleetName, InstanceId, SessionId] [FleetName, InstanceId, SessionId, UserId] | Average, Minimum, Maximum | Bytes  
+`ConnectionDuration` |  The duration of the streaming connection. |  [Fleet] [UserId] [FleetName, InstanceId, SessionId] [FleetName, InstanceId, SessionId, UserId] | Average, Minimum, Maximum | Seconds  
+`FramesPerSecond` |  The number of frames sent per second from the instance to the client. |  [Fleet] [UserId] [FleetName, InstanceId, SessionId] [FleetName, InstanceId, SessionId, UserId] | Average, Minimum, Maximum | Count