Changelog¶

1.91.0(2026/03/26)¶

This release is an iterative release, with the following main updates:

New Features¶

• Kingbase collector added server field configuration support, allowing explicit server identification, defaults to host:port format (#3002)
• Bug report now collects external collector logs, automatically gathering .log files from [DataKit Install Dir]/externals directory (#2989)
• SQLServer and Oracle collectors added database_instance dimension, querying database to obtain instance identifier and write as tag (#2999)
• Monitor command added -Q (--quantile) option, supporting quantile selection from summary metrics (#2968)

Bug Fixes¶

• Fixed FireLens log streaming support for nested map/list types, now serializing complex types to JSON strings (#3000)
• Fixed Kingbase collector singleton mode limitation, now supporting multiple concurrent instances (#2995)
• Fixed logfwd 1.86.0 configuration compatibility issue, supporting deprecated LOGFWD_JSON_CONFIG environment variable with automatic conversion to new format (#2993)
• Fixed missing election status metrics in DataKit, ensuring election status is reported even when not elected as leader (#2992)
• Fixed OpenTelemetry collector parent_span_id handling when zero value, normalizing 0000000000000000 to 0 (#2987)
• Fixed WAL infinite loop issue caused by malformed HTTP payload during data upload, now identifying and dropping dirty data (#2949)
• Fixed sinker header value containing invalid characters (e.g., \n), now URL-encoding header values (#2947)

Improvements¶

• Improved log collection multiline matching logic, removed deprecated logging_auto_multiline_detection config option, optimized multiline pattern validation flow (#2990)
• External collectors now support cross-compilation, improving multi-platform build efficiency (#2994)
• Oracle collector upgraded metrics to v2, supporting grouped collection with configurable intervals by metric type (tablespace/slow_query/process/system) (#2938)

1.90.0(2026/03/11)¶

This release is an iterative release, with the following main updates:

New Features¶

• APM injector added PHP application automatic injection support, including PHP interpreter detection, ddtrace extension installation, and configuration management (#2986)
• Logstreaming input added AWS Firehose data source type support, receiving and processing logs from AWS Firehose HTTP endpoints (#2979)
• Oracle and SQLServer collectors added DBM (Database Monitoring) functionality, including query metrics, activity monitoring, session aggregation, connection metrics, query object storage, and execution plan storage (#2904)
• Host installer added collector configuration support during installation, passing collector configs via DK_INPUT_CONFIGS environment variable (#2967)
• Journald input added external collector implementation (#2974)

Bug Fixes¶

• Fixed logfwd storage_index configuration priority error, environment variable LOGFWD_GLOBAL_STORAGE_INDEX now takes priority over CRD configuration (#2985)
• Fixed Helm chart DataWay token plaintext exposure issue, supporting automatic creation of Kubernetes Secrets to store tokens securely (#2981)
• Fixed OpenTelemetry metrics missing unit and description fields, now extracting and propagating these fields from OTEL metrics (#2977)

Improvements¶

• SNMP object collector exposed device information (device_type, device_vendor, device_hostname) and merged interface entries by interface name (#2978)
• DataKit installer added collector configuration support during installation (#2967)
• Updated APM injection documentation to include PHP support (#2986)
• Other optimizations and bug fixes

1.89.1(2026/02/12)¶

This release is a hotfix release, contents are as follows:

Bug Fixes¶

• Fixed issue in DK 1.89.0 where global host tag setting host=__datakit_hostname did not correctly use k8s node name (#2971)
• Fixed collector resume failure blocking election heartbeat, avoiding frequent election switching (#2970)
• Fixed error triggered when accidentally collecting ECSFargate container logs (#2964)
• Fixed election module state management to ensure metric timestamp updates accurately (#2970)

Improvements¶

• Flameshot supports obtaining container resource limit information, optimizing threshold calculation accuracy in container environments (#2966)
• DataKit supports accessing k8s Pod data through datakit-operator, providing API Server pressure relief solution for large-scale clusters (#2931)

1.89.0(2026/02/04)¶

This release is an iterative release, with the following main updates:

New Features¶

• Added host change detection functionality, supporting user, crontab, service, and file change monitoring (#2917)
• Flameshot now supports continuous collection mode, with default scheduled collection and threshold-triggered continuous collection (#2953)
• Added DataKit self log collection configuration functionality (#2950)

Bug Fixes¶

• Fixed Prometheus collector tags priority error (#2960)
• Fixed issue where global host tag setting host=__datakit_ip was ineffective (#2956)
• Fixed issue where eBPF collector caused `istio-init`` containers to not exit (#2955)
• Fixed unnecessary operations in container log collection when using default stdout configuration (#2962)
• Fixed WAL lock file issue using PID that prevented reuse after DataKit exit (#2948)
• Fixed profile collector initialization timing to avoid panic due to uninitialized disk cache (#2946)
• Fixed Statsd collector, add event/service-check collection (#2941)¹

Improvements¶

• Added more logs and metrics to the election module for detecting frequent election switching and collector pause failures (#2957)
• Updated DataKit HTTP client metrics, adding URL path tags and request body transfer summary metrics (#2952)
• SQLServer collector added sqlserver_host tag and changed instance tag to counter_instance (#2951)
• Bug report now collects git configuration files (#2939)
• Windows process collector added status field support (#2927)
• DDTrace added more source_type support（#2958）

1.88.1(2026/01/16)¶

This release is a hotfix release, contents are as follows:

Bug Fixes¶

• In version 1.87.2, the appending of global host tags for OpenTelemetry metrics was removed, which caused significant impact. By default, these tags are now appended again; if removal is required, a new flag has been added in this version for configuration (#2942)
• Fixed trigger threshold evaluation issue in Flameshot (#2943)
• Added IPDB configuration capability in Pipeline debugging (#2944)

1.88.0(2026/01/14)¶

This release is an iterative release, with the following main updates:

New Features¶

• Added data ingestion canary metric collection (#2900)
• DCA added DataKit liveness check (#2910)

Bug Fixes¶

• Fixed the issue of inflated Pod memory collection values (#2933)
• Fixed the issue where KubernetesPrometheus failed to resume collection after Pod restart (#2936)
• Fixed the issue where DDTrace NodeJS profiles could not be collected (#2937) ²
• Fixed multi-step dial testing retry issue (#2915)
• Fixed AWS Lambda extension collection anomaly (#2918)

Improvements¶

• In DataKit log output, a separate file (default is error.log) is now provided for ERROR level logs to prevent them from being overwhelmed by other logs; meanwhile, the bug report will also include this error log (#2940)
• Optimized the disk cache module (WAL), exposed more metrics and logs, and optimized the impact of .pos files on disk IO (#2935)
• Added more YAML configurations for SNMP collection and fixed some legacy issues (#2923)
• Added from_beginning_threshold_size configuration item for container log collection and logfwd (#2934)
• Added collector_source_ip field to data collected by multiple collectors, indicating the data source (#2819) ³
• Other optimizations (#2928/#2932/#2930)

Compatibility Adjustments¶

• Removed the redundant all field from object data in SNMP collected data (#2923)