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Important: This documentation is about an older version. It's relevant only to the release noted, many of the features and functions have been updated or replaced. Please view the current version.

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Releases

Releases

v1.2.0 – November 11 2021

Upstream Loki details

  • Loki Hash: f61a4d2612d8fa3a385c90c363301ec05bab34d8
  • Loki Version: 2.4.1

Changelog

  • [CHANGE] The default distributor ring storage is now inmemory (formerly consul)
  • [CHANGE] The default ingestion_rate_strategy is now global (formerly local). This makes the ring necessary for the distributor by default
  • [CHANGE] The default max_global_streams_per_user is now 5000 (formerly 0 (no limit))
  • [CHANGE] The default max_query_length is now 721h (formerly 0h (no limit))
  • [CHANGE] The default max_query_parallelism is now 32 (formerly 14)
  • [CHANGE] The default max_streams_per_user is now 0 (no limit) (formerly 10000)
  • [CHANGE] The default reject_old_samples is now true (formerly false)
  • [CHANGE] The default reject_old_samples_max_age is now 168h (formerly 336h)
  • [CHANGE] Automatically apply memberlist config to all rings when provided
  • [CHANGE] The default grpc_server_min_time_between_pings is now 10s (formerly 5m)
  • [CHANGE] The default grpc_server_ping_without_stream_allowed is now true (formerly false)
  • [CHANGE] Metrics related to chunk storage and runtime config have changed their prefixes from cortex_ to loki_
    • cortex_runtime_config* -> loki_runtime_config*
    • cortex_chunks_store* -> loki_chunks_store*
  • [CHANGE] The default ingester WAL enabled is now true (formerly false)
  • [CHANGE] The default ingester wAL chunk transfers is now 0 (formerly 10)
  • [CHANGE] The default unordered_writes is now true (formerly false)
  • [CHANGE] Inmemory FIFO cache is now enabled by default to cache query results and chunks
  • [CHANGE] Logs gateway exposes additional scheduler/ring endpoint introduced in Loki 2.4
  • [CHANGE] Admin API Leader Election is now enabled by default
  • [FEATURE] Allow for reporting CPU time usage to AWS Marketplace metering service in case GEL is running as AWS Marketplace container product using the -license.type=aws-marketplace command line flag.
  • [FEATURE] Add new simple scalable mode (see architecture docs for reference). To use it, set target=read or target=write to deploy new read-path components or write-path components as a single process.
  • [FEATURE] Add a new configuration section named common that allows reuse of configuration across different components. For reference, check configuration docs
  • [FEATURE] Add new virtual targets read and write to enable GEL to be run in a “Simple Scalable Topology”
  • [ENHANCEMENT] Expose value of GOMAXPROCS, as well as CPU quota information (number of cores, cgroup quota) as Prometheus metrics.
  • [ENHANCEMENT] Admin-API: Add a new endpoint for returning product and feature information at /admin/api/v1/features
  • [ENHANCEMENT] Admin-API: Add new Admin API v2 endpoints that replace the term ‘instance’ used in version v1 with the term ’tenant’
    • /admin/api/v2/accesspolicies
    • /admin/api/v2/clusters
    • /admin/api/v2/features
    • /admin/api/v2/licenses
    • /admin/api/v2/tenants
    • /admin/api/v2/tokens
  • [ENHANCEMENT] Loopback net interface is now part of the default interfaces used by Loki components
  • [BUGFIX] Initialize the Admin API correctly so it can elect an API leader if multiple instances are present and API leadership is enabled.
  • [BUGFIX] Register correct URL of the ring endpoint (/ring) in the gateway

v1.1.0 – July 15 2021

Upstream Loki details

  • Loki Hash: c44c12b9304751744fb7c5005ee2f5277d78eed2
  • Loki Version: 2.2.1

Changelog

  • [SECURITY] Prevent path traversal attack from users able to control the HTTP header X-Scope-OrgID. (CVE-2021-36156, CVE-2021-36157)
    • Users only have control of the HTTP header when GEL is configured with flags -auth.type=default and -tenant-federation.enabled=false
  • [SECURITY] Update build image to use Go 1.16.6. (CVE-2021-34558).
  • [FEATURE] Queries: Add LBAC enforcement for queries and label value requests. #109
  • [FEATURE] Add gateway target that can be configured to proxy requests to microservices and can be used to load balance remote_write requests to the distributors. #115
  • [FIX] Support query-frontend when running in microservices mode. #121
  • [FIX] Rename the Prometheus collector namespace from logs_enterprise to enterprise_logs. #173

v1.0.1 – July 21 2021

Upstream Loki details

  • Loki Hash: da64e188580a77017ea4b3d1c03f1aa4ba6ea5ca
  • Loki Version: v2.1.0-157

Changelog

  • [SECURITY] Prevent path traversal attack from users able to control the HTTP header X-Scope-OrgID. (CVE-2021-36156, CVE-2021-36157)
    • Users only have control of the HTTP header when GEL is configured with flags -auth.type=default and -tenant-federation.enabled=false
  • [SECURITY] Update build image to use Go 1.15.14 (CVE-2021-34558).

v1.0.0 – February 17 2021

Upstream Loki details

  • Loki Hash: 76e713f57dc4c16d444675c6e15526f968b3e51e
  • Loki Version: 2.1.0-155

Changelog

  • [CHANGE] Update Loki and Cortex versions.