File: //opt/aws/amazon-cloudwatch-agent/RELEASE_NOTES
========================================================================
Amazon CloudWatch Agent 1.300026.3 (2023-08-21)
========================================================================
Bug fixes:
* Fix credential chain for new components
* Fix metric renaming for Windows Performance Counters
* Fix log stream name translation for EMF on ECS
* Reduce RPM installation time
========================================================================
Amazon CloudWatch Agent 1.300026.2 (2023-08-10)
========================================================================
Bug fixes:
* Fix EMF log corruption when multiple clients are sending concurrently
* Drop invalid EMF logs
* Allow environment variables in OTEL config
* Revert credential chain when running as a service to prioritize instance role
========================================================================
Amazon CloudWatch Agent 1.300026.1 (2023-08-02)
========================================================================
Bug fixes:
* Fixed macOS agent control script
========================================================================
Amazon CloudWatch Agent 1.300026.0 (2023-07-27)
========================================================================
Bug fixes:
* Fix duplicated windows event log publishing
========================================================================
Amazon CloudWatch Agent 1.300025.0 (2023-07-18)
========================================================================
Bug fixes:
* Ignore invalid append dimensions in JSON config during translation
========================================================================
Amazon CloudWatch Agent 1.300024.0 (2023-07-12)
========================================================================
Enhancements:
* IMDS retry 5 times
* Ignore not used telegraf plugins
========================================================================
Amazon CloudWatch Agent 1.300023.0 (2023-07-06)
========================================================================
Enhancements:
* Support OTEL framework
* Support XRAY tracing
========================================================================
Amazon CloudWatch Agent 1.247360.0 (2023-06-23)
========================================================================
Enhancements:
* Support for voluntary collection of product experience metrics (#766) (#771)
========================================================================
Amazon CloudWatch Agent 1.247359.0 (2023-04-20)
========================================================================
Enhancements and bug fixes:
* Add log output when log files are deleted with auto_removal feature #636 (#659)
* Add config mode for ModeWithIRSA to support using default credential provider with RUN_WITH_IRSA environment variable as True (#682)
* Add config option to disable extraction of metrics from EMF logs for kubernetes (#723)
========================================================================
Amazon CloudWatch Agent 1.247358.0 (2023-01-30)
========================================================================
Enhancements:
* Add log output when log files are deleted with auto_removal feature (#659)
========================================================================
Amazon CloudWatch Agent 1.247357.0 (2022-12-15)
========================================================================
Bug fixes:
* Update AWS SDK Go to fix mac build (#640)
* Fix control script starting CWA on Oracle Linux 9 by using systemctl (#645)
* Fix handling negative statefile offset (#646)
* Fix starting the agent with "auto" mode on an on premise host (#652)
========================================================================
Amazon CloudWatch Agent 1.247356.0 (2022-11-10)
========================================================================
Enhancements:
* Enhance Windows event log monitoring in preparation for Windows 11 support (#627)
* Remove Amazon Open Telemetry Collector that was bundled with CloudWatch Agent (#522)
* Integration tests moved to new repository (#622) (#625) (#630)
* Update default metric list scraped via Prometheus (#581)
Bug fixes:
* Fix corner case where "retention_in_days" was not actually getting set (#554)
* Fix ethtool name in input config (#585)
* Fix "amazon-cloudwatch-agent-ctl stop" to use systemd related commands (#542)
========================================================================
Amazon CloudWatch Agent 1.247355.0 (2022-08-10)
========================================================================
Enhancements:
* Support mode on premise
* Windows MSI installer silent exec implementation
========================================================================
Amazon CloudWatch Agent 1.247354.0 (2022-07-14)
========================================================================
Enhancements:
* Increase PutMetricData request size allowed in agent
* Fix Windows ctl issues on Windows 2012R2
========================================================================
Amazon CloudWatch Agent 1.247353.0 (2022-06-13)
========================================================================
Enhancements:
* Upgrade the Telegraf dependency to v1.23.0
* Drop support for mem_cached metrics on MacOS
* Fix Windows filepath escaping so paths with spaces work again (#490)
========================================================================
Amazon CloudWatch Agent 1.247352.0 (2022-05-26)
========================================================================
New features:
* Support log group retention in CloudWatch Logs for 6,7,8,9 years (#469)
* Add scraping ECS_CONTAINER_METADATA_URI_V4 for ECS (#453)
* Allow account ID as placeholder value for log configuration (#400)
* Restart agent on RPM upgrade to fix SSM feature to auto update CWAgent (#387)
* Increase dimension's maximum to 30 for each metrics (#361)
* Creates a system user, "aoc", for the AWS Distro for OpenTelemetry collector
without a shell, or updates an existing "aoc" user on the host so that the existing
"aoc" user has no shell.
Bug fixes:
* Avoid Windows Server 2022 and PowerShell ISE exit on stderr (#473)
* Enhance config validation for bad regex in CWAgent (#459)
* Delete log's state file when tailer terminates due to an error (#457)
* Auto_removal sends all remain logs before deleting the files (#452)
* Include metric name in warning message when value is negative (#445)
* Add writing to CWAgent's log before a panic (#421)
* Move conflicting log retention check to translator (#418)
* Fix race condition when creating log groups and log streams (ResourceAlreadyExists) (#416)
* Retry on network failure for detecting EC2 (#397)
* ECS Service Discovery: Fix implicit network mode (#385)
* Fix Windows event log messages truncated on Windows Server 2022 (#379)
* Make CloudWatch Logs's pusher to wait for the final flush to complete before returning (#350)
========================================================================
Amazon CloudWatch Agent 1.247350.0 (2022-01-19)
========================================================================
Enhancements and bug fixes:
* Add support for collect Nvidia GPU metrics on Linux OS with Nvidia_smi installed
* Improve message in amazon-cloudwatch-agent.log for Invalid Sequence Token case.
* Update To Otel Version 0.11.0.
* Improve windows config migration wizard not to include empty files/windows_events field.
* Improve runtime debugging with added environment variable CWAGENT_LOG_LEVEL.
* Improve config wizard message regarding collectd.
* Removed runc dependency
* Fix potential infinite retry when uploading logs.
* Fix windows event log plugin to use proper StateFile path.
* Fix performance for container insights with Kubernetes API server.
* Improve messages in amazon-cloudwatch-agent.log for dropped log lines in a monitored file.
* Add messages in amazon-cloudwatch.agent.log when retrying requests with AWS SDK due to throttling.
* Add support for implicit bridge network mode for ECS (#335)
* Add feature for agent-side log filtering (#327)
* Support log retention policy when writing or creating a log group (#250)
* Add user-agent value for Container Insights for requests (#342)
* Allow dropping metrics by name for aggregation (#336)
* Update systemd network target (#344)
* Fix for K8s naming rule for v1.21+ (#345)
* Export task ARN resource via Prometheus (#334)
========================================================================
Amazon CloudWatch Agent 1.247349.0 (2021-07-15)
========================================================================
Enhancements and bug fixes:
* Log throttling events handled by SDK
* CA bundle fix
* Update aws-otel-collector version to v0.11.0 (#571)
========================================================================
Amazon CloudWatch Agent 1.247348.0 (2021-05-28)
========================================================================
Enhancements and bug fixes:
* Allow ignoring pods metrics with a specific annotation to remove the metrics not needed.(#163)
* Fix the unnecessary logging entries (#210)
* Update aws-otel-collector version to v0.10.0 (#216)
========================================================================
Amazon CloudWatch Agent 1.247347.6 (2021-03-24)
========================================================================
Bug fixes:
* Fix prometheus metric type error when relabel job, instance and __name__
* Fix pod detection for k8s containerd runtime, though container filesystem metric is not supported by cadvisor for containerd.
========================================================================
Amazon CloudWatch Agent 1.247347.5 (2021-02-22)
========================================================================
New Features and Enhancements:
* Expand the translator by exposing an API to override schema
* Allow translator plugins to specify and override metricPath
* Ignore +/-Inf values in prometheus metrics
========================================================================
Amazon CloudWatch Agent 1.247347.4 (2021-02-15)
========================================================================
Bug fixes:
* Fix pod metrics missing when using docker systemd cgroup driver on EKS
========================================================================
Amazon CloudWatch Agent 1.247347.3 (2021-01-13)
========================================================================
New Features and Enhancements:
* add macos into the workflow
========================================================================
Amazon CloudWatch Agent 1.247347.1 (2021-01-04)
========================================================================
New Features and Enhancements:
* macOS (x86) support
* ECS service endpoint based discovery for Prometheus
========================================================================
Amazon CloudWatch Agent 1.247347.0 (2020-12-21)
========================================================================
New Features and Enhancements:
* Composite Agent (CloudWatch Agent + OTel Collector) for EC2
* Support append-config for procstat
* Fix incorrect systemd detection
* Enable flag to force ec2 mode
* Sync manifest files for container insights
* Disable cgo for test target
* Add formatted date as a variable
* Add check secrets
========================================================================
Amazon CloudWatch Agent 1.247346.1 (2020-11-04)
========================================================================
New Features and Enhancements:
* Remove md5 from jitter calculation
* Make allowed_pending_messages to be configurable for statsd
* Add Prometheus EMF metrics unit support
========================================================================
Amazon CloudWatch Agent 1.247346.0 (2020-10-21)
========================================================================
Features:
* Add Prometheus support
Bug fixes:
* Use name under /dev/mapper as device for LVM volumes for disk plugin
========================================================================
Amazon CloudWatch Agent 1.247345.36 (2020-09-24)
========================================================================
Bug fixes:
* Use correct cgroup path for task with new ARN format
========================================================================
Amazon CloudWatch Agent 1.247345.35 (2020-09-24)
========================================================================
Bug fixes:
* Fix config translator unable to work with diskio plugin with complex measurement
========================================================================
Amazon CloudWatch Agent 1.247345.34 (2020-09-18)
========================================================================
Bug fixes:
* Fix ignore empty value tags for cloudwatch dimension
* Fix logs loop does not break out loop when exit
* Fix win_perf_counter plugin test case int to string conversion
========================================================================
Amazon CloudWatch Agent 1.247345.33 (2020-09-15)
========================================================================
New Features and Enhancements:
* Add license files to top level
* Create log stream, group in order
* Remove Amazon Software License
========================================================================
Amazon CloudWatch Agent 1.247345.30 (2020-09-02)
========================================================================
New Features and Enhancements:
* Upgrade procstat to 2.20.5 preventing memory leak on windows 2016
* Refactor cloudwatchlogs pusher flush timer management
* Create dedicated channel for non-blocking events cloudwathlogs pusher
========================================================================
Amazon CloudWatch Agent 1.247345.27 (2020-08-26)
========================================================================
New Features and Enhancements:
* Amazon CloudWatch Agent goes opensource, released under MIT license
* Upgrade dependency of telegraf project to version 1.15
* Allow override of user-agent string used by the agent when making calls to cloudwatch backend
========================================================================
Amazon CloudWatch Agent 1.245315.0 (2020-05-20)
========================================================================
New Features and Enhancements:
* Fix Agent may not send k8sapiserver metrics due to k8sapiserver OnStoppedLeading
* Add support to use STS regional endpoints as default behavior to avoid availability risks
========================================================================
Amazon CloudWatch Agent 1.242486.0 (2020-03-24)
========================================================================
New Features and Enhancements:
* Add support to publish multiple log files under one file config
* Fix issue with meta character is used in the middle of the file_path for logs collected on Windows
* Fix error log when directory matches the file_path for logs collected
* Fix Agent may not send k8sapiserver metrics due to k8sapiserver OnStoppedLeading
* Add support to use STS regional endpoints as default behavior to avoid availability risks
========================================================================
Amazon CloudWatch Agent 1.237768.0 (2020-02-12)
========================================================================
New Features and Enhancements:
* Better error logging for getting in cluster config for k8s related plugins
========================================================================
Amazon CloudWatch Agent 1.229195.0 (2019-10-07)
========================================================================
New Features and Enhancements:
* Support automatic removal of old log files that sent to CloudWatch Logs
========================================================================
Amazon CloudWatch Agent 1.227496.0 (2019-09-03)
========================================================================
New Features and Enhancements:
* Make AmazonCloudWatchAgent service depend on LanmanServer on Windows
* Fix the issue of huge value of disk iops_in_progress metrics
* Add backoff retry when calling ec2 describe tag failure
========================================================================
Amazon CloudWatch Agent 1.226589.0 (2019-08-19)
========================================================================
New Features and Enhancements:
* Release Container Insights
* Fix metric delay under some edge cases
* Fix dropping log events after log truncate happens
========================================================================
Amazon CloudWatch Agent 1.219020.0 (2019-05-28)
========================================================================
New Features and Enhancements:
* New Feature which allow cloudwatch-agent to run as non-root on Linux
* CloudWatch-Agent will not keep restarting if no Json configuration files exist.
* Remove the support of Windows Server 2003
========================================================================
Amazon CloudWatch Agent 1.207573.0 (2019-01-11)
========================================================================
New Features and Enhancements:
* Support in EC2 A1 instance (ARM64)
* procstat support - Collect process related metrics
https://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/CloudWatch-Agent-procstat-process-metrics.html
* Multiple agent config support - Optionally provide more than one agent config
https://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/CloudWatch-Agent-common-scenarios.html#CloudWatch-Agent-multiple-config-files
========================================================================
Amazon CloudWatch Agent 1.203420.0 (2018-09-28)
========================================================================
New Features and Enhancements:
* StatsD support - CloudWatch Agent serves as StatsD server/daemon to
receive request from StatsD clients.
https://github.com/etsy/statsd/wiki#client-implementations
* CollectD support - CloudWatch Agent receives metrics in CollectD
binary format from CollectD network output plugin.
https://collectd.org/wiki/index.php/Networking_introduction#Client_setup
* Vended metrics/logs support - send metrics or logs to a different AWS
account.
* Supports new regions: AWS GovCloud (us-gov-west-1) and China regions
(cn-north-1, cn-northwest-1)
========================================================================
Amazon CloudWatch Agent 1.75.0 (2018-01-08)
========================================================================
New Features and Enhancements:
* Windows Server 2003 64-bit operating system support is added.
========================================================================
Amazon CloudWatch Agent 1.70.0 (2017-12-05)
========================================================================
New Features and Enhancements:
* Introducing Amazon CloudWatch Agent - a unified, cross-platform
metrics and logs monitoring solution
* Supports both EC2 and on-premises servers, with optional
installation and management from AWS Systems Manager
* Collects metrics such as CPU, Memory, Disk, Swap utilization and
more (including custom metrics for Windows through Performance
Counters)
* Supports collection of high-resolution metrics (sub-minute
granularity)
* Optionally produces metrics at a sub-resource level (per cpu-thread,
per mounted-filesystem, per network-interface)
* Collects logs from text files and Windows Event Logs
* Optionally adds EC2 instance information as CloudWatch Dimensions
(instance ID, image ID (AMI), instance type, AutoScaling Group name)
* Optionally adds customizable CloudWatch Dimensions
* Provides customizable aggregation on CloudWatch Dimensions
(producing instance-level vs fleet-level metrics in Amazon
CloudWatch)
* HTTP Proxy support
The Amazon CloudWatch Agent is supported on the following 64-bit
operating systems:
* Amazon Linux version 2014.03.02 or later
* Ubuntu Server version 16.04 and 14.04
* CentOS version 7.0 and 6.5
* RedHat Enterprise Linux (RHEL) version 7.4, 7.0, and 6.5
* Debian 8.0
* Windows Server 2016, Windows Server 2012, and Windows Server 2008