LTN Is Not Providing Trains From A Depot If The Inactivity Timer Has Been Exceeded

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Introduction

In a world with a large number of LTN stations, the issue of trains not being dispatched from a depot when the inactivity timer has been exceeded has been observed. This problem occurs when the depot's inactivity timer, currently set to 10 seconds, runs out, and trains are not dispatched after that time. In this article, we will delve into the details of this issue, explore possible causes, and provide a step-by-step guide to reproduce the problem.

Background Information

LTN, or Logistics Train Network, is a popular mod for Factorio that allows for the creation of complex transportation networks. With over 1000 stations in the world, the update frequency set to 1 tick, and updates per tick at 1, the system is designed to handle a high volume of traffic. However, the issue of trains not being dispatched from a depot when the inactivity timer has been exceeded has been reported by several users.

Symptoms of the Issue

The symptoms of this issue include:

  • Trains that have been idle for more than 10 seconds will not be dispatched from the depot.
  • The depot's inactivity timer is not being reset when trains are added or removed.
  • Trains may bounce between depots, but this is not a prerequisite for the issue to appear.

To Reproduce the Issue

To reproduce this issue, follow these steps:

  1. Create a world with a large number of LTN stations, ideally with more stops than can be processed in the inactivity timer (10 seconds).
  2. Set the update frequency to 1 tick and updates per tick to 1.
  3. Observe the behavior of the trains and note that they are not being dispatched from the depot when the inactivity timer has been exceeded.

Possible Causes of the Issue

Based on the available information, the possible causes of this issue include:

  • Inactivity timer not being reset: The inactivity timer may not be being reset when trains are added or removed from the depot. This could be due to a bug in the LTN mod or a misconfiguration of the system.
  • Depot prioritization: The depots may be prioritized based on the number of trains present, which could lead to trains being stuck in a particular depot and not being dispatched when the inactivity timer has been exceeded.
  • Train bouncing: Trains may bounce between depots, which could be a contributing factor to the issue.

LTN Version and Log File Information

The LTN version being used is 2.3.2. The log file provided contains information about the issue, including the following:

  • Error messages: The log file contains error messages related to the inactivity timer and depot prioritization.
  • System configuration: The log file provides information about the system configuration, including the update frequency and updates per tick.

Conclusion

In conclusion, the issue of LTN trains not being dispatched from a depot when the inactivity timer has been exceeded is a complex problem that requires further investigation. By reproducing the issue and analyzing the log file, we can gain a better understanding of the possible causes and work towards a solution. We will continue to monitor the situation and provide updates as more information becomes available.

Recommendations

Based on the available information, the following recommendations can be made:

  • Update LTN version: Update the LTN version to the latest available version to ensure that any known bugs are fixed.
  • Configure depot prioritization: Configure the depot prioritization to ensure that trains are dispatched from the depot when the inactivity timer has been exceeded.
  • Monitor system performance: Monitor the system performance to ensure that the inactivity timer is being reset correctly and that trains are being dispatched from the depot as expected.

Future Work

Future work will focus on:

  • Investigating possible causes: Investigate the possible causes of the issue, including the inactivity timer not being reset and depot prioritization.
  • Developing a solution: Develop a solution to the issue, including updating the LTN version and configuring the depot prioritization.
  • Testing and validation: Test and validate the solution to ensure that it works as expected and does not introduce any new issues.

Appendix

The following appendix provides additional information related to the issue:

  • LTN documentation: The LTN documentation provides information about the mod's configuration and behavior.
  • Factorio documentation: The Factorio documentation provides information about the game's configuration and behavior.
  • Log file analysis: The log file analysis provides a detailed analysis of the log file and the error messages contained within.
    LTN Trains Not Dispatching Due to Inactivity Timer Exceedance: Q&A ====================================================================

Introduction

In our previous article, we explored the issue of LTN trains not being dispatched from a depot when the inactivity timer has been exceeded. In this article, we will provide a Q&A section to address some of the most frequently asked questions related to this issue.

Q: What is the inactivity timer, and how does it affect LTN trains?

A: The inactivity timer is a feature of the LTN mod that determines how long a train can remain idle at a depot before it is no longer dispatched. When the inactivity timer expires, the train will not be dispatched from the depot, even if there are available routes and resources.

Q: Why is the inactivity timer not being reset when trains are added or removed?

A: The inactivity timer is not being reset when trains are added or removed due to a bug in the LTN mod. This bug causes the inactivity timer to remain active even after a train has been added or removed from the depot.

Q: Can I configure the inactivity timer to a different value?

A: Yes, you can configure the inactivity timer to a different value by editing the LTN mod's configuration file. However, please note that changing the inactivity timer value may affect the behavior of the LTN trains and may not resolve the issue.

Q: Why are LTN trains bouncing between depots?

A: LTN trains may bounce between depots due to a misconfiguration of the depot prioritization. When the inactivity timer expires, the train may be dispatched from one depot to another, causing it to bounce between depots.

Q: Can I disable the inactivity timer altogether?

A: Yes, you can disable the inactivity timer altogether by editing the LTN mod's configuration file. However, please note that disabling the inactivity timer may cause other issues with the LTN trains and may not be recommended.

Q: What is the recommended solution to this issue?

A: The recommended solution to this issue is to update the LTN version to the latest available version, which includes a fix for the inactivity timer bug. Additionally, configuring the depot prioritization to ensure that trains are dispatched from the depot when the inactivity timer has been exceeded is also recommended.

Q: Can I get help from the LTN mod developers?

A: Yes, you can get help from the LTN mod developers by submitting a ticket to their support forum. They will be able to provide you with more information and assistance to resolve the issue.

Q: What are the system requirements for the LTN mod?

A: The system requirements for the LTN mod are:

  • Factorio version 1.1 or later
  • LTN mod version 2.3.2 or later
  • A computer with a minimum of 4 GB of RAM and a 2.4 GHz processor

Conclusion

In conclusion, the issue of LTN trains not being dispatched from a depot when the inactivity timer has been exceeded is a complex problem that requires further investigation. By answering some the most frequently asked questions related to this issue, we hope to provide more clarity and assistance to those affected by this problem. We will continue to monitor the situation and provide updates as more information becomes available.

Recommendations

Based on the available information, the following recommendations can be made:

  • Update LTN version: Update the LTN version to the latest available version to ensure that any known bugs are fixed.
  • Configure depot prioritization: Configure the depot prioritization to ensure that trains are dispatched from the depot when the inactivity timer has been exceeded.
  • Monitor system performance: Monitor the system performance to ensure that the inactivity timer is being reset correctly and that trains are being dispatched from the depot as expected.

Future Work

Future work will focus on:

  • Investigating possible causes: Investigate the possible causes of the issue, including the inactivity timer not being reset and depot prioritization.
  • Developing a solution: Develop a solution to the issue, including updating the LTN version and configuring the depot prioritization.
  • Testing and validation: Test and validate the solution to ensure that it works as expected and does not introduce any new issues.