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v2.3.0 📭⛑🛎
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@oldratlee oldratlee released this 01 Apr 13:31
· 121 commits to dev-2.x since this release
v2.3.0
16a95a5

New Features

  1. show-busy-java-threads:
    • add "No java process found" check, output in error message 📭
    • add update_delay/update_count/pid_list option value validation
  2. show-duplicate-java-classes:
    • show duplicate classes total count 🔢
    • output responsive progress info at console 🛎
    • add option -R, --no-find-progress, do not display responsive find progress 🔇
    • validate lib/class dir
  3. find-in-jars:
    • add -L, --files-not-contained-found and -l, --files-contained-found options
    • add option -R, --no-find-progress, do not display responsive find progress 🔇
  4. uq:
    • add max input defensive check option -XM, --max-input ⛑

BugFix

  • show-busy-java-threads: fix top extract error by process name 👓
    • COMMAND column of top -H output can be thread name not process name
    • top output sample and env info: 
      $ uname -a
Linux 33e449b39f66 4.19.121-linuxkit #1 SMP Thu Jan 21 15:36:34 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux
$ java -version
openjdk version "11.0.9.1" 2020-11-04
OpenJDK Runtime Environment (build 11.0.9.1+1-Ubuntu-0ubuntu1.18.04)
OpenJDK 64-Bit Server VM (build 11.0.9.1+1-Ubuntu-0ubuntu1.18.04, mixed mode, sharing)
$ top -v
  procps-ng 3.3.12
Usage:
  top -hv | -bcHiOSs -d secs -n max -u|U user -p pid(s) -o field -w [cols]
$ top -H
  PID USER      PR  NI    VIRT    RES    SHR S %CPU %MEM     TIME+ COMMAND
7012 jerry     20   0 3492604  79492  27096 S  0.0  3.9   0:00.00 java
7014 jerry     20   0 3492604  79492  27096 S  0.0  3.9   0:00.62 GC Thread#0
7015 jerry     20   0 3492604  79492  27096 S  0.0  3.9   0:00.00 G1 Main Marker
7017 jerry     20   0 3492604  79492  27096 S  0.0  3.9   0:00.00 G1 Refine#0
7018 jerry     20   0 3492604  79492  27096 S  0.0  3.9   0:00.06 G1 Young RemSet
7019 jerry     20   0 3492604  79492  27096 S  0.0  3.9   0:00.67 VM Thread
7020 jerry     20   0 3492604  79492  27096 S  0.0  3.9   0:00.00 Reference Handl
7021 jerry     20   0 3492604  79492  27096 S  0.0  3.9   0:00.00 Finalizer
7022 jerry     20   0 3492604  79492  27096 S  0.0  3.9   0:00.00 Signal Dispatch
7023 jerry     20   0 3492604  79492  27096 S  0.0  3.9   0:00.34 C2 CompilerThre
7024 jerry     20   0 3492604  79492  27096 S  0.0  3.9   0:00.03 C1 CompilerThre
7025 jerry     20   0 3492604  79492  27096 S  0.0  3.9   0:00.00 Sweeper thread
7026 jerry     20   0 3492604  79492  27096 S  0.0  3.9   0:00.00 Service Thread
7027 jerry     20   0 3492604  79492  27096 S  0.0  3.9   0:00.26 VM Periodic Tas
7032 jerry     20   0 3492604  79492  27096 S  0.0  3.9   0:00.52 GC Thread#1
...

Improvements

  • show-busy-java-threads:
    • improve self rerun command line in output
  • show-duplicate-java-classes:
    • refactor: split function build_index__class_to_class_paths to 2 small functions:
      • collect_class_path_to_classes
      • invert_as_class_to_class_paths
  • find-in-jars:
    • improve responsive output, output jars searching message 👓
    • extract searchJarFiles function
  • fix Bash Traps and Pitfalls:
    • DO NOT combine var declaration and assignment which value supplied by sub-shell!
  • improve help and docs
  • code refactor/cleanup

Have Fun! 💕
2021-4-1

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