Fluentd Files

Full Changelog: https://github.com/fluent/fluentd/compare/v1.18.0...v1.19.0

Enhancement

New features:

• [#4657] Add zstd compression support
• Buffer: add zstd to compress option.
• out_file: add zstd to compress option.
• out_forward: add zstd to compress option.
• in_forward: support zstd format. (Experimental)
• [#4986] buffer: add feature to evacuate chunk files when retry limit
• [#4859] out_http: TLS1.3 support
• [#5036] out_stdout: support output to STDOUT independently of Fluentd logger by setting use_logger to false
• [#4904] out_file: add symlink_path_use_relative option to use relative path instead of absolute path in symlink_path
• [#5008] System configuration: Add forced_stacktrace_level to force the log level of stacktraces.
• [#4893] System configuration: support built-in config files

Metrics:

• [#4966] metrics: enable input metrics by default
• [#4980] in_tail: add "tracked_file_count" metrics to see how many log files are being tracked
• [#4971] output: add metrics for number of writing events in secondary
• [#4981] output: add metrics for dropped oldest chunk count

Others:

• [#5003] in_forward: enable skip_invalid_event by default not to process broken data
• [#4998] buf_file: reinforce buffer file corruption check
• [#4866] in_http: allow empty Origin header requests to pass CORS checks
• [#4865] in_tail: add warning for directory permission
• [#4858] Add logging for errors about loading dependencies on startup
• Performance improvements
• [#4759] [#4760] [#4763] [#4764] [#4769] [#4813] [#4817] [#4835] [#4845] [#4881] [#4884] [#4886] [#4930] [#4931] [#4932] [#4933] [#4934] [#4995]

Bug Fix

• [#5010] in_tail: fixed where specifying only encoding parameter might cause data corruption (affects since v0.14.12).
• [#4864] formatter_csv: fix memory leak
• [#5026] server plugin helper: ensure to close all connections at shutdown
• [#4836] Fixed a bug where the default umask was not set to 0 when using --daemon (td-agent, fluent-package) since v1.14.6.
• [#4836] --umask command line option: Fixed so that it is applied when Fluentd runs with --daemon (fluent-package) as well as when Fluentd runs with --no-supervisor.
• [#4909] Windows: Stop the service when the supervisor is dead
• [#4782] Windows: Fixed an issue where stopping the service immediately after startup could leave the processes.
• [#4782] Windows: Fixed an issue where stopping service sometimes can not be completed forever.

Misc

• [#4962] in_monitor_agent: stop using CGI.parse due to support Ruby 3.5
• [#4962] HTTP server plugin helper: stop using CGI.parse due to support Ruby 3.5
• [#4914] config: change inspect format
• [#4857] console_adapter: support console gem v1.30
• [#5042] gemspec: fix io-event and io-stream version to avoid unstable behavior on Windows
• [#4900] in_http: replace WEBrick::HTTPUtils.parse_query with URI
• Note that at least, this makes it unable to use ; delimiter.
• [#4899] http_server: stop fallback to WEBrick
• [#4978] metrics: add getter method automatically
• [#4903] http_server helper: add header method for Request
• [#4979] multi_output: fix metrics name
• [#4964] plugin_id: fix typo
• CI fixes
• [#4728] [#4730] [#4746] [#4747] [#4748] [#4750] [#4755] [#4820] [#4874] [#4877]
• [#4928] Fixes RuboCop's remarks
• [#4989] CI: Add benchmark scripts

Contributors to this release (Alphabetical order)

• Athish Pranav D
• Daijiro Fukuda
• Eduardo Silva Pereira
• Florian Dobener
• Kentaro Hayashi
• Richard Lee
• Shizuo Fujita
• Takuro Ashie
• Tomoaki KOBAYASHI