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@GiedriusS GiedriusS released this 13 Jan 14:49
v0.10.0
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Learn about vigilant mode.

Thanks to all contributors! ❤️

Highlights: Store now supports memcached; StoreAPI has a new skip-chunks option which is used to greatly speed-up the /api/v1/series end-point; Store/Compactor has improved synchronization of meta JSON files; Ruler supports TLS and authentication; fixed a potential data loss when uploading older blocks or when the upload is taking a long time while the Compactor is running; Compaction process should take significantly less RAM but a longer time.

❗ memcached support is marked experimental for now ❗

As always, here is the detailed changelog:

Fixed

  • #1919 Compactor: Fixed potential data loss when uploading older blocks, or upload taking long time while compactor is
    running.

  • #1937 Compactor: Improved synchronization of meta JSON files.
    Compactor now properly handles partial block uploads for all operation like retention apply, downsampling and compaction. Additionally:

    • Removed thanos_compact_sync_meta_* metrics. Use thanos_blocks_meta_* metrics instead.
    • Added thanos_consistency_delay_seconds and thanos_compactor_aborted_partial_uploads_deletion_attempts_total metrics.

  • #1936 Store: Improved synchronization of meta JSON files. Store now properly handles corrupted disk cache. Added meta.json sync metrics.

  • #1856 Receive: close DBReadOnly after flushing to fix a memory leak.

  • #1882 Receive: upload to object storage as 'receive' rather than 'sidecar'.

  • #1907 Store: Fixed the duration unit for the metric thanos_bucket_store_series_gate_duration_seconds.

  • #1931 Compact: Fixed the compactor successfully exiting when actually an error occurred while compacting a blocks group.

  • #1872 Ruler: /api/v1/rules now shows a properly formatted value

  • #1945 master container images are now built with Go 1.13

  • #1956 Ruler: now properly ignores duplicated query addresses

  • #1975 Store Gateway: fixed panic caused by memcached servers selector when there's 1 memcached node

Added

  • #1852 Add support for AWS_CONTAINER_CREDENTIALS_FULL_URI by upgrading to minio-go v6.0.44
  • #1854 Update Rule UI to support alerts count displaying and filtering.
  • #1838 Ruler: Add TLS and authentication support for Alertmanager with the --alertmanagers.config and --alertmanagers.config-file CLI flags. See documentation for further information.
  • #1838 Ruler: Add a new --alertmanagers.sd-dns-interval CLI option to specify the interval between DNS resolutions of Alertmanager hosts.
  • #1881 Store Gateway: memcached support for index cache. See documentation for further information.
  • #1904 Add a skip-chunks option in Store Series API to improve the response time of /api/v1/series endpoint.
  • #1910 Query: /api/v1/labels now understands POST - useful for sending bigger requests

Changed

  • #1947 Upgraded Prometheus dependencies to v2.15.2. This includes:

    • Compactor: Significant reduction of memory footprint for compaction and downsampling process.
    • Querier: Accepting spaces between time range and square bracket. e.g [ 5m]
    • Querier: Improved PromQL parser performance.

  • #1833 --shipper.upload-compacted flag has been promoted to non hidden, non experimental state. More info available here.

  • #1867 Ruler: now sets a Thanos/$version User-Agent in requests

  • #1887 Service discovery now deduplicates targets between different target groups

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