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Adds a configuration option to cannibalize bandwidth from the

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udp texture throttle and move it to the task throttle. Since most
viewers are using http textures, the udp texture throttle is holding
onto bw that could be used for more responsive prims updates. See
the documentation for CannibalizeTextureRate in OpenSimDefaults.ini.
Option is disabled by default.
This commit is contained in:
Mic Bowman
2014-01-20 18:59:43 -08:00
parent 7bd42fc42f
commit 83626e60e6
3 changed files with 30 additions and 0 deletions
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14
OpenSim/Region/ClientStack/Linden/UDP/LLUDPClient.cs
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@@ -162,6 +162,12 @@ namespace OpenSim.Region.ClientStack.LindenUDP
private int m_defaultRTO = 1000; // 1sec is the recommendation in the RFC
private int m_maxRTO = 60000;
/// <summary>
/// This is the percentage of the udp texture queue to add to the task queue since
/// textures are now generally handled through http.
/// </summary>
private double m_cannibalrate = 0.0;
private ClientInfo m_info = new ClientInfo();
/// <summary>
@@ -201,6 +207,8 @@ namespace OpenSim.Region.ClientStack.LindenUDP
// Create an array of token buckets for this clients different throttle categories
m_throttleCategories = new TokenBucket[THROTTLE_CATEGORY_COUNT];
m_cannibalrate = rates.CannibalizeTextureRate;
for (int i = 0; i < THROTTLE_CATEGORY_COUNT; i++)
{
ThrottleOutPacketType type = (ThrottleOutPacketType)i;
@@ -349,6 +357,12 @@ namespace OpenSim.Region.ClientStack.LindenUDP
texture = Math.Max(texture, LLUDPServer.MTU);
asset = Math.Max(asset, LLUDPServer.MTU);
// Since most textures are now delivered through http, make it possible
// to cannibalize some of the bw from the texture throttle to use for
// the task queue (e.g. object updates)
task = task + (int)(m_cannibalrate * texture);
texture = (int)((1 - m_cannibalrate) * texture);
//int total = resend + land + wind + cloud + task + texture + asset;
//m_log.DebugFormat("[LLUDPCLIENT]: {0} is setting throttles. Resend={1}, Land={2}, Wind={3}, Cloud={4}, Task={5}, Texture={6}, Asset={7}, Total={8}",
// AgentID, resend, land, wind, cloud, task, texture, asset, total);

6
OpenSim/Region/ClientStack/Linden/UDP/ThrottleRates.cs
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@@ -59,6 +59,9 @@ namespace OpenSim.Region.ClientStack.LindenUDP
/// <summary>Flag used to enable adaptive throttles</summary>
public bool AdaptiveThrottlesEnabled;
/// <summary>Amount of the texture throttle to steal for the task throttle</summary>
public double CannibalizeTextureRate;
/// <summary>
/// Default constructor
/// </summary>
@@ -80,6 +83,9 @@ namespace OpenSim.Region.ClientStack.LindenUDP
Total = throttleConfig.GetInt("client_throttle_max_bps", 0);
AdaptiveThrottlesEnabled = throttleConfig.GetBoolean("enable_adaptive_throttles", false);
CannibalizeTextureRate = (double)throttleConfig.GetFloat("CannibalizeTextureRate", 0.0f);
CannibalizeTextureRate = Util.Clamp<double>(CannibalizeTextureRate,0.0, 0.9);
}
catch (Exception) { }
}