LagMeter

Table of Contents

Lets you check the server lag, in ticks-per-second.

Bukkit version does not matter for this plugin.

Description

A lot of plugins tell you that something happens "every X seconds, depending on lag." That's because when the server is overworked, there are less than 20 ticks per second. This plugin will measure the number of ticks per second, and output it on your screen as a "Lag Meter." The plugin can also output the amount of memory free, alert those with a specific permission node when the ticks per second or free RAM goes down too far, and even measure the server's ping to google.com.

Tutorials and Reviews

LagMeter 1.9.3: Review By: UltiByte

LagMeter 0.1: Review By: BrandonHopkins

LagMeter 0.1: Review By: ValBGaming
Some of them are a little out of date, but you get the idea.

Download

CI/build (Jenkins) server
You can always pick up the latest compiled version of LagMeter on my CI server. Note that BukkitDev doesn't warrant the safety of these builds, etc, but it's all pulled from GitHub anyways, so you could compile it yourself or look at the commits. Lagmeter is more stable than Lagmeter-bleed.

Jenkins: latest builds

Stable
Version: 1.17.0
Build date: 3 March 2016

BukkitDev Download: Latest Build

Javadocs
Version: 1.15.0
Build date: 23 November 2013

Dropbox Download (zipped; standard doclet)

Source Code

GitHub: TheLunarFrog's Source

GitHub: Original Source by DemmyDemon (v.0.4)

Bugs and Feature Requests

Bug reports & Feature Requests

Features

Simple, minimum-fuzz installation
Configurable without drowning you in options
Checks the server performance
Ability to check the ping between the server and Google.com
When someone says "GAH! LAG!", you can /lag, and tell them "Dude, it's your computer sucking."
Supports Bukkit's built-in permissions system, for example via [the official plugin](http://forums.bukkit.org/threads/permissionsbukkit-official-default-groups-plugin-1000.26785/)
Support for the "old-school" Permissions, as well as PermissionsEX
Logging of the lag, if you want it.
Logging of players online, with the above, if wanted.
Suggestions?

Change Log

Commands & Permissions

Configuration Explanation

Configuration

Example output:

[####################] 20.0 TPS

...or if your server isn't doing so hot...

[##########__________] 10.0 TPS

Comments

_ForgeUser10991793
- Join Date: 4/18/2013
- Posts: 41
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#450 _ForgeUser10991793

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Posted Mar 18, 2014
Hello, recently I've been lagging a TON on my server and a lot on other servers. I installed this plugin (love it, by the way. Great job!) and I did /ping. It says:

[LagMeter] Average response time for the server for 1 ping hop(s) to (insert my IP address here): 78.556

My questions are 1- Is the higher number better or...? 2- Is that a good connection to the server? 3- Little off topic from the plugin but is that mean my connection to the server is bad or do I lag out because of my internet just being bad in general? (my ISP said to check my ping from my ISP to the server. If it's slow connection to the server it's bad but if my connection to my ISP is bad it's my ISP's issue..) ?

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TheLunarFrog
- Location: Brecksville, Ohio, USA
- Join Date: 4/18/2010
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#449 TheLunarFrog

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Posted Mar 16, 2014
@Iwitrag

I can't reproduce this bug in any way, no matter what I try. Care to shed some light on what you're doing, perhaps your configuration?

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TheLunarFrog
- Location: Brecksville, Ohio, USA
- Join Date: 4/18/2010
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#448 TheLunarFrog

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Posted Mar 16, 2014
@Eriatool

Feature already exists. See the configuration page.

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_ForgeUser11880816
- Join Date: 7/18/2013
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#447 _ForgeUser11880816

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Posted Mar 16, 2014
Can you add a feature, when the TPS of the server are low, Lagmeter execute a command (/butcher for example)

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TheLunarFrog
- Location: Brecksville, Ohio, USA
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#446 TheLunarFrog

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Posted Feb 23, 2014
@Iwitrag

Will check this out.

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_ForgeUser8284873
- Join Date: 1/19/2012
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#445 _ForgeUser8284873

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Posted Feb 22, 2014
It shows 0 TPS when using CB 1.7.2 R 0.3 BETA

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_ForgeUser7068751
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#444 _ForgeUser7068751

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Posted Dec 31, 2013
How to use multiple commands if the server runs low on memory / lower TPS?

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_ForgeUser9902833
- Join Date: 10/31/2012
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#443 _ForgeUser9902833

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Posted Dec 23, 2013
Amazing plugin! Works with 1.7 and works like a charm! My server isn't using hardly any ram at all! Brilliant!

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_ForgeUser12124498
- Join Date: 9/2/2013
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#442 _ForgeUser12124498

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Posted Dec 22, 2013
@TheLunarFrog

Can you update this to 1.7.2?

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TheLunarFrog
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#441 TheLunarFrog

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Posted Nov 23, 2013
1.15.0 uploaded and waiting for approval.

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TheLunarFrog
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#440 TheLunarFrog

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Posted Nov 15, 2013
@Crazypeon88

Unfortunately, there isn't a way for me to access that information from the API interface, then display it in a real-time manner. If you type /timings into your server console (I don't remember the full command - try typing /timings then pressing tab and it should tell you), let it run for a while then paste the log it generates here: http://www.aikar.co/timings.php then it'll tell you what's taking the longest to process on your server.

Last edited by TheLunarFrog: Nov 15, 2013

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_ForgeUser7564976
- Join Date: 9/17/2011
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#439 _ForgeUser7564976

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Posted Nov 12, 2013
Hey i have a question, will this plugin also see what cause the lagg ? Because im playing on a server that had just a hardware update (i7 CPU, SSD, 32GB ram) but since the update (same time 1.6.4 got released) server got nasty lag/rollbacks of 2 a 3 seconds every 30 seconds. Also server got moved to a different location. (from France to USA)

Is there any way we can find the problem of these laggs/rollbacks ?

Been searching on google for a while now but this looks most promised to me :)

edit: before update server runs smoothly with around 150 players, now with even 1 player online this lag is still here.

Last edited by _ForgeUser7564976: Nov 12, 2013

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TheLunarFrog
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#438 TheLunarFrog

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Posted Nov 11, 2013
Finally got my repository working again after being unable to do a whole ton. Updates are coming soon (really, this time).

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TheLunarFrog
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#437 TheLunarFrog

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Posted Oct 21, 2013
@Bodyash

There are updates coming, hopefully soon. I've been working on pushing to LagMeter's repository for a while, but I recently became swamped with coursework for school, so I haven't really had time to do a whole ton.

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_ForgeUser10407409
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#436 _ForgeUser10407409

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Posted Oct 21, 2013
Any updates?

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_ForgeUser8742488
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#435 _ForgeUser8742488

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Posted Oct 20, 2013
@TheLunarFrog

No worries thanks for the awesome plugin! I figured out it would probably be percentage since I set it to 400 it would run the command at the first chance it would get lol.

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TheLunarFrog
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#434 TheLunarFrog

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Posted Oct 20, 2013
@rlpn

It should be a value based on the percentage of memory free. So it'd be 4 or 5 in your case. Sorry for the confusion.

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_ForgeUser8742488
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#433 _ForgeUser8742488

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Posted Oct 20, 2013
Hello, for free memory threshold what does the value represent? I set it to 400 thinking it would run the commands if the server went under 400mb free memory but it would run the command at around 9gb's free memory so I believe I'm using it wrong lol.

Thanks in advanced.

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TheLunarFrog
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#432 TheLunarFrog

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Posted Oct 7, 2013
@TheOnlyRealTGS

Added.

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Forge_User_01524769
- Join Date: 4/12/2012
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#431 Forge_User_01524769

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Posted Oct 6, 2013
My server is using this plugin:
Name: Minecraft Simple Gaming
Ip: mcsimplegaming.com
Banner: http://cdn2.planetminecraft.com/files/banner/89119_0.png

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