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@GiedriusS GiedriusS released this 18 Jul 11:22
v0.6.0
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GiedriusS Giedrius Statkevičius
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Learn about vigilant mode.
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Learn about vigilant mode.

Added

TL;DR: Jaeger tracing support (tracing flag changed), various observability improvements, Thanos receiver improvements, improvement external label propagation, including federated Queriers (!) and other fixes.

NOTE: Thanks to improved external labels propagation, if you run have duplicate queries in your Querier configuration with hierarchical federation of multiple Queries, Thanos now will detect this case and block all duplicates. New releases (potentially in v0.6.1) will just warn and block all but one.

  • #1097 Added thanos check rules linter for Thanos rule rules files.

  • #1253 Add support for specifying a maximum amount of retries when using Azure Blob storage (default: no retries).

  • #1244 Thanos Compact now exposes new metrics thanos_compact_downsample_total and thanos_compact_downsample_failures_total which are useful to catch when errors happen

  • #1260 Thanos Query/Rule now exposes metrics thanos_querier_store_apis_dns_provider_results and thanos_ruler_query_apis_dns_provider_results which tell how many addresses were configured and how many were actually discovered respectively

  • #1248 Add a web UI to show the state of remote storage.

  • #1217 Thanos Receive gained basic hashring support

  • #1262 Thanos Receive got a new metric thanos_http_requests_total which shows how many requests were handled by it

  • #1243 Thanos Receive got an ability to forward time series data between nodes. Now you can pass the hashring configuration via --receive.hashrings-file; the refresh interval --receive.hashrings-file-refresh-interval; the name of the local node's name --receive.local-endpoint; and finally the header's name which is used to determine the tenant --receive.tenant-header.

  • #1147 Support for the Jaeger tracer has been added!

breaking New common flags were added for configuring tracing: --tracing.config-file and --tracing.config. You can either pass a file to Thanos with the tracing configuration or pass it in the command line itself. Old --gcloudtrace.* flags were removed ⚠️

To migrate over the old --gcloudtrace.* configuration, your tracing configuration should look like this:

---
type: STACKDRIVER
config:
- service_name: 'foo'
  project_id: '123'
  sample_factor: 123

The other type you can use is JAEGER now. The config keys and values are Jaeger specific and you can find all of the information here.

Changed

  • #1284 Add support for multiple label-sets in Info gRPC service. This deprecates the single Labels slice of the InfoResponse, in a future release backward compatible handling for the single set of Labels will be removed. Upgrading to v0.6.0 or higher is advised.

  • #1314 Removes http_request_duration_microseconds (Summary) and adds http_request_duration_seconds (Histogram) from http server instrumentation used in Thanos APIs and UIs.

  • #1287 Sidecar now waits on Prometheus' external labels before starting the uploading process

  • #1261 Thanos Receive now exposes metrics thanos_http_request_duration_seconds and thanos_http_response_size_bytes properly of each handler

  • #1274 Iteration limit has been lifted from the LRU cache so there should be no more spam of error messages as they were harmless

  • #1321 Thanos Query now fails early on a query which only uses external labels - this improves clarity in certain situations

Fixed

  • #1227 Some context handling issues were fixed in Thanos Compact; some unnecessary memory allocations were removed in the hot path of Thanos Store.

  • #1183 Compactor now correctly propogates retriable/haltable errors which means that it will not unnecessarily restart if such an error occurs

  • #1231 Receive now correctly handles SIGINT and closes without deadlocking

  • #1278 Fixed inflated values problem with sum() on Thanos Query

  • #1280 Fixed a problem with concurrent writes to a map in Thanos Query while rendering the UI

  • #1311 Fixed occasional panics in Compact and Store when using Azure Blob cloud storage caused by lack of error checking in client library.

  • #1322 Removed duplicated closing of the gRPC listener - this gets rid of harmless messages like store gRPC listener: close tcp 0.0.0.0:10901: use of closed network connection when those programs are being closed

Deprecated

  • #1216 the old "Command-line flags" has been removed from Thanos Query UI since it was not populated and because we are striving for consistency
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