cs-bytes and sc-bytes in Wowza/FMS

Question

What is the meaning for both cs-bytes and sc-bytes from Wowza/FMS access log ?. In my log, its show cs-bytes-->1756310375 and sc-bytes--->3492. I couldn't understand anything from these value.

Someone please share the detail info behind this

My sample Log file:

2015-07-20 20:28:22 UTC connect session INFO 200 10.11.12.13 - defaultVHost live definst 0.013 [any] 1935 rtmp://10.11.12.122:1935/live/ 10.11.12.13 rtmp https://test.example.com/video.swf LNX 15,0,0,189 1756310375 3492 3073 - - - - - - - - - - - - - rtmp://10.11.12.122:1935/live/ -

Answer 1

Generally in logs such as this, any field prefixed cs- indicates information that was sent from the client to the sserver.

Any field prefixed sc- indicates information sent from the server to the client.

So, in your case, the client set 1514823450 bytes to the server and the server sent 3615 bytes to the client.

The common prefixes can be found here:

c
Client
s
Server
r
Remote
cs
Client to Server.
sc
Server to Client.
sr
Server to Remote Server, this prefix is used by proxies.
rs
Remote Server to Server, this prefix is used by proxies.
x
Application specific identifier.