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@czerwingithub czerwingithub released this 31 Mar 01:20
· 1016 commits to release since this release
v2.1.1
433cfa2

Features

  • Major update of code base to support running under Python 2 and 3. See release notes for more information.
  • Agent now supports Python 2.6, 2.7 and >= 3.5
  • When installing using RPM or Debian, Python 2 will be used by default unless unavailable.
  • The Python version used to run the Agent may be controlled using the scalyr-switch-python command.
  • The K8s manifest files have been changed to run the Agent in the scalyr namespace instead of the default namespace. When updating an existing Scalyr Agent K8s instance, you must follow the upgrade instructions described in the upgrade notes.
  • RPM and Debian packages no longer declare dependency on Python to promote cross-distribution compatibility. The dependency is now verified at package install time.
  • Added option to scalyr-agent-2 status -v to emit JSON (--format=[text|json]).
  • Add new metric_name_blacklist supported attribute to each monitor configuration section. With this attribute, user can define a list of metric names which should be excluded and not shipped to Scalyr.
  • Add support for orjson JSON library when running under Python 3. This library offers significantly better performance and can be enabled by setting json_library config option to orjson and installing orjson Python package using pip.

Bugs

  • Fix authentication issue in kubernetes_monitor when accessing kublet API.
  • Better error messages issued when missing required certificate files.
  • Updated Kubernetes manifest file to use apps/v1 for DaemonSet API version instead of beta version.
  • Update scalyr client code to log raw uncompressed body under debug log level to aid with troubleshooting.
  • Metric type for app.disk.requests.{read,write} metrics has been fixed.
  • Fix iostat monitor so it also works with newer versions of Linux kernel.
  • Fix invalid extra field for two tomcat.runtime.threads metrics in the Tomcat monitor (all of the metrics had type set to max whereas one should have type set to active and the other to busy).

Minor updates

  • The /etc/init.d/scalyr-agent-2 symlink is no longer marked as a conf file in Debian packages.
  • Update of embedded ecsda library to 0.13.3
  • Docker support now requires the docker 4.1 client library
  • Changed which signal is used to execute scalyr-agent-2 status -v under Linux to improve handling of SIGINT. Previously SIGINT was used, now SIGUSR1 is used.
  • When running in foreground mode (--no-fork flag), SIGINT signal (aka CTRL+C) now starts the graceful shutdown procedure.
  • Two new metrics (app.io.wait, app.mem.majflt) are now emitted by the Linux process monitor. If you want those metrics to be excluded for your monitors, you can utilize new metric_name_blacklist monitor config option.

Testing updates

  • Numerous changes to improve testing and coverage reporting
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