Installation > System requirements > System parameters

System parameters

System parameter

Description and comments

Value

MaxChanSys Maximum number of video channels to be served by Cayuga for the whole system. 5000
MaxChanDM

Maximum number of video channels per DeviceManager server (a reduction of the number of video channels might be advisable depending on the number of video recordings to be stored).

250
MaxChanDMAnalytics Maximum number of video channels per DeviceManager server, if video analytics will run on the same server (the final amount of video channels will depend on the performance consumption of the applied analytics software). 20 - 80
MaxCoreSlave Maximum number of servers with installed service "Core Slave" being connected to the one server running the service "Core Master". 250
MaxDM Maximum number of DeviceManager servers running in a Ocularis 5 Recorder system 250
MaxAutoUpdater Maximum number of AutoUpdaterClients in a Ocularis 5 Recorder system 250
MaxTimeFailCore

Maximum time in minutes until all services are connected to "Core Master" when "Core Slave" has failed (same time for switching back)

A failover will happen when services cannot reach "Core Slave" anymore (e.g. if "Core Slave" or parts of the network are down).

2 minutes
MaxTimeFailDM

Maximum time in minutes until the secondary DeviceManager has taken over control from the primary DeviceManager (same time for switching back)

A failover will happen (if activated) when the primary DeviceManager is not accessible; the whole failover time span is determined to avoid flickering.

2 minutes
MaxClientNat Maximum number of concurrent native (Windows) clients in a single Ocularis 5 Recorder installation 200
MaxClientWeb Maximum number of concurrent web clients in a single Ocularis 5 Recorder installation 20
MaxClientMob Maximum number of concurrent mobile clients in a single Ocularis 5 Recorder installation 50
BandWCS

Recommended bandwidth between a native client and any server

The required bandwidth depends on the number and bit rates of video channels simultaneously displayed; it may exceed significantly the mentioned value.

2 Mbit/s
BandWMaSl Recommended bandwidth between "Core Master" and any "Core Slave" 2 Mbit/s
BandWCoreFTP

Recommended bandwidth between "Core Master" and the OnSSI server providing patches and new loads for a remote update or upgrade of the local installation

The bandwidth is only required if automated updates and upgrades are activated in the "AutoUpdater".

10 Mbit/s