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73 lines
2.8 KiB
Text
73 lines
2.8 KiB
Text
[[releasenotes]]
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== Release Notes
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This section summarizes the changes in the following releases:
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* <<logstash-5-5-3,Logstash 5.5.3>>
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* <<logstash-5-5-2,Logstash 5.5.2>>
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* <<logstash-5-5-1,Logstash 5.5.1>>
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* <<logstash-5-5-0,Logstash 5.5.0>>
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[[logstash-5-5-3]]
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=== Logstash 5.5.3 Release Notes
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There are no user-facing changes in Logstash core for this release.
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[[logstash-5-5-2]]
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=== Logstash 5.5.2 Release Notes
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* Optimized the response time for metrics releated APIs by caching the hostname ({lsissue}7857[Issue 7857]).
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* Set the JVM min and max heapsize to be 1 GB out of the box. Previously, only the max heapsize was set to 1 GB.
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* Fixed a condition where Logstash would not start when using persistent queue feature and a queue page file of zero byte existed with a fully acked checkpoint ({lsissue}7809[Issue 7809]).
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* Fix an issue where Logstash would crash when using the dead letter queue seek by timestamp feature.
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* Fixed an issue where Logstash would not reload unconditionally when SIGHUP was received with auto-reload turned off. ({lsissue}6417[Issue 6417])
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[[logstash-5-5-1]]
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=== Logstash 5.5.1 Release Notes
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* Added a new setting `dead_letter_queue.max_bytes` to allow a user to set the maximum possible size of a dead letter queue on disk.
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[float]
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==== Input Plugins
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*`Dead Letter Queue`*:
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* Re-published this plugin to include jar artifacts. Without this, the plugin couldn't be used with Logstash.
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[float]
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==== Filter Plugins
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*`Dissect`*:
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* Re-published this plugin to include jar artifacts. Without this, the plugin couldn't be used with Logstash.
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[float]
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==== Output Plugins
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*`Elasticsearch`*:
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* We now correctly handle special characters in the password option.
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[[logstash-5-5-0]]
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=== Logstash 5.5.0 Release Notes
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* Introduced a new feature called dead letter queues. When enabled, the dead letter queue (DLQ) feature will route
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events to a file-based store when the output plugin is unable to process the events. Currently, the Elasticsearch
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output is the only plugin that uses this feature to store "dead" events that result from Elasticsearch mapping errors.
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* Upgraded to JRuby version 1.7.27.
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* Set the default entropy source to `/dev/urandom`. This change resolves an issue that caused Logstash to
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stall on startup for several minutes. This stall behavior was especially visible when Logstash was
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deployed on VMs ({lsissue}6117[Issue 6117]).
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* Added support to resolve environment variables specified in the `logstash.yml` file ({lsissue}6785[Issue 6785]).
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* Fixed the ability to change log levels via the API ({lsissue}7277[Issue 7277]).
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[float]
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==== Filter Plugins
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*`Date`*:
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* A warning message is no longer logged when `ISO8601` format and timezone interpolation is used (https://github.com/logstash-plugins/logstash-filter-date/issues/97[#97]).
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*`Mutate`*:
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* Added a new copy option that allows users to clone a field into a new field target.
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