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Merge pull request #1 from jiriks74/devel

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Add Aikar's flags, better comments, etc
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Jiří Štefka 2023-02-23 02:56:15 +01:00 committed by GitHub
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22
README.md
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@ -31,21 +31,13 @@ version="1.12.2"
5. Select how much memory you want your server to use ***(in megabytes)***: 5. Select how much memory you want your server to use ***(in megabytes)***:
```bash ```bash
initMem="1500M" #1.5G mem="8000M"
maxMem="8000M" # 12G
``` ```
6. Modify server parameters to your liking: 6. Allow executing ov the script with `chmod +x start.sh`
```bash 7. Run the script with `./start.sh`
mc_launchoptions="-nogui"
```
7. Add some jvm (java) parameters to your liking ***(memory is set above, do not add it here)***: ## Default JVM flags used
```bash
java_launchoptions="" By default this script uses [Aikar's Flags](https://docs.papermc.io/paper/aikars-flags). It's set up so that it automatically modifies them if over
``` 12GB of memory is set for the server so you shouldn't need to change them unless you want to swap them out for something else.
> **Note**
>
> If you use quite old versions of minecraft you should change the defaults under the line above
8. Run the script with `./start.sh`

51
start.sh
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@ -4,6 +4,7 @@
# by jiriks74 # # by jiriks74 #
# https://github.com/jiriks74/start_papermc.sh # # https://github.com/jiriks74/start_papermc.sh #
# This script is under GPLv3, if you want to distribute changes you have to do so under the same license # # This script is under GPLv3, if you want to distribute changes you have to do so under the same license #
# and acknowledge the original script and author. #
############################################################################################################# #############################################################################################################
############ ############
@ -16,32 +17,50 @@
# and change the version below. # # and change the version below. #
# I am not responsible for any loss of data # # I am not responsible for any loss of data #
# !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! # # !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! #
# If enough people request it (or someone creates a PR) I'll add this functionality # If enough people request it (or someone creates a PR) I'll add the functionality to migrate versions
version="1.19.3" version="1.19.3"
# Leave blank to use the latest build # Leave blank to use the latest build (auto updates on every run)
select_build="" select_build=""
#
# Memory settings # Memory settings
initMem="2000M" # Minimum memory used #
maxMem="6000M" # Maximum memory allowed to be used # !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! #
# Do not allocate all of your available memory on a shared host! #
# Minecraft (and Java) needs to have more memory than the Xmx #
# parameter (maxMem below). You should set it at least 1500M #
# lower than your available memory if you're running just the #
# minecraft server. #
# !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! #
mem="2000M"
# ------------------------------------------------
# You shouldn't need to change anything below this
# ------------------------------------------------
# Options for the server # Options for the server
mc_launchoptions="-nogui" mc_launchoptions="-nogui"
# G1GC settings - leave the defaults if you're unsure if [[ "${mem%M}" -gt 12000 ]]; then
g1HeapMem="32M" # Memory used by G1 G1NewSize=40
g1NewSize="20" # In % G1MaxNewSize=50
g1Reserve"20" # In % G1HeapRegionSize=16M
umaxGCpause="50" # In millis G1Reserve=15
InitiatingHeapOccupancy=20
else
G1NewSize=30
G1MaxNewSize=40
G1HeapRegionSize=8M
G1Reserve=20
InitiatingHeapOccupancy=15
fi
# Aditional options for the java runtime # Aikar's flags are used by default
java_launchoptions="" # See https://docs.papermc.io/paper/aikars-flags
java_launchoptions="-Xms$mem -Xmx$mem -XX:+UseG1GC -XX:+ParallelRefProcEnabled -XX:MaxGCPauseMillis=200 -XX:+UnlockExperimentalVMOptions -XX:+DisableExplicitGC -XX:+AlwaysPreTouch -XX:G1NewSizePercent=$G1NewSize -XX:G1MaxNewSizePercent=$G1MaxNewSize -XX:G1HeapRegionSize=$G1HeapRegionSize -XX:G1ReservePercent=$G1Reserve -XX:G1HeapWastePercent=5 -XX:G1MixedGCCountTarget=4 -XX:InitiatingHeapOccupancyPercent=$InitiatingHeapOccupancy -XX:G1MixedGCLiveThresholdPercent=90 -XX:G1RSetUpdatingPauseTimePercent=5 -XX:SurvivorRatio=32 -XX:+PerfDisableSharedMem -XX:MaxTenuringThreshold=1 -Dusing.aikars.flags=https://mcflags.emc.gs -Daikars.new.flags=true"
# Change the defaults if you use older version of minecraft or just want to use something else
java_launchoptions="-Xms$initMem -Xmx$maxMem -XX:G1HeapRegionSize=$g1HeapMem -XX:+UseG1GC -XX:G1NewSizePercent=$g1NewSize -XX:G1ReservePercent=$g1Reserve -XX:MaxGCPauseMillis=$maxGCpause $java_launchoptions"
# You shouldn't need to change anything below this line
# -----------------------------------------------------
# Api url # Api url
url="https://api.papermc.io/v2/projects/paper/versions/$version/builds" url="https://api.papermc.io/v2/projects/paper/versions/$version/builds"