Jumpy Jaguar

Bug fixes:

• Prevent syslog monitor from writing syslog message to agent log.
• Performance improvement for syslog monitor to prevent it from flushing the traffic log file too often
• Fix bug in error reporting from client that caused exceptions to be thrown while logging an exception

Intelligent Iguana

New features:

• Added syslog monitor for receiving logs via syslog protocol.

Bug fixes:

• Fix bug causing agent to temporarily stop copying logs if the underlying log file disappeared or read access was removed for Windows.

Hilarious Horse

New features:

• Make log processing parameters such as max_log_offset_size adjustable via the configuration file.

Bug fixes:

• Fix bug preventing turning off default system and agent process monitors.
• Fix bugs preventing release of open file handles

Glorious Gerbil

Bug fixes:

• Relax metric name checking to allow including dashes.
• Fix bug where linux_system_metrics was ignoring the configured sample interval time.

Furious Falcon

New features:

• Add a new option --set-server-host in scalyr-agent-2-config to set the server host from the commandline.
• Add new instance variables _log_write_rate and _log_max_write_burst to ScalyrMonitor to allow monitor developers to override the rate limits imposed on their monitor's log. See the comments in test_monitor.py for more details.
• Add new parameter emit_to_metric_log=True to force a log line to go to the metric log instead of the agent log for monitors. See the comments in test_monitor.py for more details.
• Added new configuration parameters to easily change any or all monitor's sample rate. Use global_monitor_sample_interval in the general configuration to set it for all monitors, or sample_interval in an individual monitor's config. The value should be the number of seconds between samples and can be fractional.

Bug fixes:

• Fix failing to accept unicode characters in metric values

Eccentric Elk

New features:

• Support for Windows. Many changes to support this platform.

Dubious Dog

Bug fixes:

• Fix excessive CPU usage bug when monitoring thousands of logs that are not growing.

Capricious Cat

New features:

• The run_monitor.py takes a new option -d to set the debug level.

Bug fixes:

• Fix false warning message about file contents disappearing.
• Assign a unique thread id for each log file being copied to mimic old agent's behavior.

Bashful Bovine

New features:

• Support for the MySQL, Apache, and Nginx monitor plugins
• New functions for defining and adding documentation for Scalyr Plugin Monitor configuration options, log entries, and metrics.
• Added support for variable substitution in configuration files.
• New print_monitor_doc.py tool for printing documentation for a monitor. This tool is experimental.

Bug fixes:

• Fixed bug prevented having release notes for multiple releases in CHANGELOG.md
• Fixed bug with CR/LF on Windows preventing log uploads

Documentation fixes:

• Updated MySQL monitor documentation to note deprecated metrics.

Internal:

• Refactored code to extract platform-specific logic in preparation for Windows work.

Aggravated Aardvark

New core features:

• Complete rewrite of the Scalyr Agent in Python!
• No more Java dependency.
• Easier to configure.
• Easier to diagnosis issues.
• Monitor plugin support.
• Detailed status page.

Bugs fixed since beta and alpha testing:

• Slow memory "leak".
• graphite_module not accepting connections from localhost when only_accept_local is false.
• Ignore old pidfile if the process is no longer running. Added pid collison detection as well.