Monitoring

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Contents

Introduction

There are a number of ways of monitoring OpenSimulator. All of these relate to monitoring the simulator itself - there is currently no good way to extract statistics from ROBUST hosted services.

SimStatus

If a simulator is running, a GET request to

http://<sim-ip>:<sim-http-port>/simstatus/

will return

OK

in UTF8 if the simulator is running and the port is reachable by the network.

XSimStatus

This old facility provides a way to retrieve some very basic region data and some more detailed information about the simulator as a whole. It is always active.

Each region will register a URL handler with a random UUID. There will also be handler that will return data for the simulator as a whole. These UUIDs will be different on each restart of the simulator (yes this is insane).

So a two region simulator will have three handlers, one for each simulator and one for the simulator as a whole.

Sending a GET request to a handler will return data in JSON format.

You can see these handlers using the region console command

show http-handlers

In the last section you should see something like

* StreamHandlers (7):
       POST:/friends
       GET:/map
       GET:/get_grid_info
       GET:/F27ED466A0D311F8A7B1F309F942437F3302D455
       GET:/493F5C64F8AF200E63C9A33EA92BD393D9232A61
       GET:/simstatus
       GET:/1B71AB5959171C2308F429E8F397F0390ADEF94D

Here, F27ED466A0D311F8A7B1F309F942437F3302D455, 493F5C64F8AF200E63C9A33EA92BD393D9232A61 and 1B71AB5959171C2308F429E8F397F0390ADEF94D are XSimStatus handlers. Unfortunately, it's not possible to tell which are which except by pointing your browser at them. Let's suppose you are running a standalone on 192.168.1.2 with an HTTP listener port of 9000. In this case, going to

http://192.168.1.2:9000/F27ED466A0D311F8A7B1F309F942437F3302D455

yields

{
"OSStatsURI":"http://192.168.1.2:9000/1B71AB5959171C2308F429E8F397F0390ADEF94D/",
"TimeZoneName":"GMT",
"TimeZoneOffs":1.0,
"UxTime":1318276065,
"Memory":31.0,
"Version":"OpenSim 0.7.3 Dev          "
}

This is data for a particular region. In the OSStatsURI field it does give the statistics handler for the simulator as a whole. Sending a get request to http://192.168.1.2:9000/1B71AB5959171C2308F429E8F397F0390ADEF94D/ returns

{
"AssetsInCache":"0",
"TimeAfterCacheMiss":"0",
"BlockedMissingTextureRequests":"0",
"AssetServiceRequestFailures":"0",
"abnormalClientThreadTerminations":"0",
"InventoryServiceRetrievalFailures":"0",
"Dilatn":"1",
"SimFPS":"56.67",
"PhyFPS":"46.93",
"AgntUp":"0",
"RootAg":"0",
"ChldAg":"0",
"Prims":"1",
"AtvPrm":"0",
"AtvScr":"1",
"ScrLPS":"0",
"PktsIn":"0",
"PktOut":"0",
"PendDl":"0",
"PendUl":"0",
"UnackB":"0",
"TotlFt":"0.67",
"NetFt":"0",
"PhysFt":"0.33",
"OthrFt":"0",
"AgntFt":"0.33",
"ImgsFt":"0",
"Memory":"21",
"Uptime":"00:20:49.0991070",
"Version":"OpenSim 0.7.3 Dev          013bf27"
}

Web Statistics Module

The Web Statistics Module is a module in OpenSimulator that can provide human readable HTML pages of monitor stated updated dynamically via AJAX. It also stores some historical data. See Web Statistics Module for more details.

MORE TO FOLLOW

Insanely, there are more ways of extracting stats from OpenSim. These will be documented one by one.

Other stats facilities

OsGetRegionStats

ServerStats

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