NOTE: Spark Unforged now relies on Mixin, most packs will already have some mod or another loading Mixin, but if not, you will need to add a mod like MixinBootstrap or Mixin 0.7-0.8 Compatibility to load Mixin.
A newly added feature available in Spark Unforged is Load Profiling. Load profiling can profile CPU performance and time spent (As well as if you are on a system that can utilize the Async profiler, Memory Allocation) throughout the loading process, with options for profiling specific sections such as coremod, init, postinit, etc. as well as the whole game load and server load process. Load profiling is disabled by default and can be enabled in the config in config/spark/config.json (Config options are written to the file when accessed, so toggling it on and specific options will be available once ran once.) Load profiling will not automatically upload files to the spark viewer server for the sake of sparing upload spam, instead the files when done will be automatically saved to the config/spark/data folder and can be uploaded to and viewed through the spark site.
Spark is a performance profiling tool that can be used to get highly detailed information on many aspects of your running Minecraft games/servers.
Such tools includes CPU profling, Memory Inspection, Server Health Reporting, and more.
Spark Unforged is a backport of modern Spark to 1.12.2, to bring many newer features such as improved data availability and Async profiling to 1.12.2, as well as new features like load profiling.
While there are versions of Spark on the original Curseforge for 1.12.2, those versions are heavily outdated and missing many new QoL features, and also has missing tools such as Async profiling which is one of the most useful tools for determining performance issues.
Spark Unforged has primarily the same functions, commands, features, etc as modern Spark, with a few exceptions:
- Loading profiling, with options for profiling various load states such as coremod, preinit, init, etc. as well as server/world loading.
- Load profiling also works with memory allocation profiling and async profiling.
- Better configuration file, options when accessed will write to the file for easier use by users.
- Extra Server Metadata is disabled (This was for listing datapacks, which don't exist in 1.12.2.)
- Open/Live Profile Viewing is disabled due to limitations of 1.12.2 still being on Java 8.
Spark Unforged is identical in function to modern Spark (With the exception of previously mentioned disabled feature) and as such uses the same commands and formatting.
You can find guides on commands, usage, and tips on Spark's Wiki (https://spark.lucko.me/docs)
Commands: (https://spark.lucko.me/docs/Command-Usage)
Usage: (https://spark.lucko.me/docs/Using-the-viewer)
Guides: (https://spark.lucko.me/docs/guides/Finding-lag-spikes)
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