Revision History

This version was built on 2024-09-09T12:57:50.845-0500.

1.0.59 (October 2023)

  • Due to time constraints, updates are being made without summaries in this revision history; however, the date above is always updated on a new build.

1.0.58 (January 2023)

  • Migrate to local CSS and image resources.

1.0.57 (October 2022)

1.0.56 (August 2022)

  • Move the Recipes chapter to the top and update the introduction.
  • Some of the anchors for the General sub-chapters may be broken.

1.0.55 (February 2021)

  • Note that Liberty's JAX-RS client has changed to RESTEasy
  • Add Linux iotop batch example
  • Describe OOM killer task dump RSS to bytes calculation

1.0.54 (January 2021)

1.0.53 (December 2021)

1.0.52 (November 2021)

1.0.51 (July 2021)

1.0.50 (April 2021)

1.0.49 (March 2021)

1.0.48 (March 2021)

1.0.47 (January 2021)

1.0.46 (November 2020) (14 major updates)

1.0.45 (October 2020) (23 major updates)

1.0.44 (September 2020) (41 major updates)

1.0.43 (August 2020) (57 major updates)

1.0.42 (July 2020)

1.0.41 (June 2020)

1.0.40 (June 2020)

  • Internal format conversion.

1.0.39 (May 2020)

  • Add details about Linux strace and ltrace with stacks.

1.0.38 (March 2020)

  • Add details about TIME_WAIT processing in Linux.

1.0.37 (February 2020)

1.0.36 (February 2020)

1.0.35 (January 2020)

  • Add Linux network analysis commands: iptraf-ng, nethogs, iftop, jnettop, trafshow, and speedtest-cli.

1.0.34 (November 2019)

  • Add Linux ip, ss, and nstat commands.

1.0.34 (November 2019)

  • Migrate blog content (since developerWorks blogs is being sunset) to various sections of this cookbook.

1.0.33 (October 2019)

  • Remove link to developerWorks forum as that is being sunset.

1.0.32 (September 2019)

  • Change chapter order.

1.0.31 (August 2019)

  • Break up Java chapters into J9 and HotSpot
  • Add details about TCP KeepAlive

1.0.30 (April 2019)

  • Fix Java RMI Explicit GC default from 1 minute to 1 hour

1.0.29 (February 2019)

  • Add Containers chapter

1.0.28 (January 2019)

  • Add AIX native memory debug info

1.0.27 (November 2018)

  • Add Linux eBPF example for native memory leaks

1.0.26 (November 2018)

  • Add Linux lsof

1.0.25 (November 2018)

  • Add Linux perf On-CPU stack sampling with wallclock timestamps

1.0.24 (October 2018)

  • Add Traditional WAS page to discuss Startup

1.0.23 (October 2018)

  • Update GCMV installation instructions

1.0.22 (October 2018)

  • Added information on tuning DirectByteBuffer pool sizes for both editions of WAS
  • Describe how to request exclusive access for a system dump on IBM Java to avoid dumps taken during GC

1.0.21 (May 2018)

  • Added Mac section
  • Added Linux Available memory reference

1.0.20 (March 2018)

  • Added pureScale section

1.0.19 (January 2018)

  • Add WAS traditional instructions on setting up ODR custom logging

1.0.18 (September 2017)

  • Update MAT instructions with DTFJ Java 8 note.

1.0.17 (August 2017)

  • Update Memory Analyzer download instructions.

1.0.16 (April 2017)

  • Change IBM Java -Xverbosegclog recommendation

1.0.15 (April 2017)

  • Add Linux swappiness, OOM killer, and swap recommendations

1.0.14 (January 2017)

  • Change major tool instructions to use Eclipse instead of ISA

1.0.13 (June 2016)

  • Fix broken Knowledge Center links.
  • Change WAS Classic to WAS traditional

1.0.12 (February 2016)

  • Various updates based on field work.

1.0.11 (December 2015)

  • Fix error referencing META-INF/lib instead of META-INF/resources in WAS > WAS Classic > HTTP, in the section "ServletContext.getResource performance"

1.0.10 (December 2015)

  • Change graphs from R to gnuplot

1.0.9 (December 2015)

  • Update Solaris KSSL guidance.

1.0.8 (December 2015)

  • Add more TPV/PMI screenshots.
  • Add more Health Center screenshots.
  • Add Liberty request timing and event logging details.

1.0.7 (December 2015)

  • Update GCMV page.

1.0.6 (September 2015)

  • Add troubleshooting recipes.

1.0.5 (August 2015)

  • Rename WAS traditional Profile to WAS Classic

1.0.4 (May 2015)

  • Remove unused Liberty idle tuning option.

1.0.3 (April 2015)

  • Rename Java chapters.

1.0.2 (April 2015)

  • Add example Solaris DTrace scripts and vmstat -p information.

1.0.1 (February 2015)

  • Add February SPECj benchmark results.

1.0.0 (January 2015)

  • First public version.