JOP
=>'java top'
- Simple commandline utility that parses the output of java verbose gc and plots it in a graph
- Can be used for tailing the file (showing the results in realtime), or on historic files
- Written in rust. Executable size (release) 2Mb.
- Sample usage:
java -verbose:gc -cp src Filler >outfileand:
jop outfileor:
cargo run outfile- tested on jdk20/G1 collector
- depends on tail command, so works best on linux/unix/macos
[GREEN] heap size before garbage collection [RED] heapsize after garbage collection