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Cut v0.30.0-rc.0 (#5992)
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* Cut v0.30.0-rc.0

Signed-off-by: bwplotka <[email protected]>

* mdox fix.

Signed-off-by: bwplotka <[email protected]>

Signed-off-by: bwplotka <[email protected]>
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bwplotka authored Dec 21, 2022
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43 changes: 29 additions & 14 deletions CHANGELOG.md
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## Unreleased

## [v0.30.0-rc.0](https://github.com/thanos-io/thanos/tree/release-0.30) - 21.12.2022

NOTE: Querier's `query.promql-engine` flag enabling new PromQL engine is now unhidden. We encourage users to use new experimental PromQL engine for efficiency reasons.

### Fixed

- [#5716](https://github.com/thanos-io/thanos/pull/5716) DNS: Fix miekgdns resolver LookupSRV to work with CNAME records.
- [#5844](https://github.com/thanos-io/thanos/pull/5844) Query Frontend: Fixes @ modifier time range when splitting queries by interval.
- [#5854](https://github.com/thanos-io/thanos/pull/5854) Query Frontend: Handles `lookback_delta` param in query frontend.
- [#5854](https://github.com/thanos-io/thanos/pull/5854) Query Frontend: `lookback_delta` param is now handled in query frontend.
- [#5860](https://github.com/thanos-io/thanos/pull/5860) Query: Fixed bug of not showing query warnings in Thanos UI.
- [#5856](https://github.com/thanos-io/thanos/pull/5856) Store: Fixed handling of debug logging flag.
- [#5230](https://github.com/thanos-io/thanos/pull/5230) Rule: Stateless ruler support restoring `for` state from query API servers. The query API servers should be able to access the remote write storage.
- [#5880](https://github.com/thanos-io/thanos/pull/5880) Query Frontend: Fixes some edge cases of query sharding analysis.
- [#5893](https://github.com/thanos-io/thanos/pull/5893) Cache: Fixed redis client not respecting `SetMultiBatchSize` config value.
- [#5966](https://github.com/thanos-io/thanos/pull/5966) Query: Fixed mint and maxt when selecting series for the `api/v1/series` HTTP endpoint.
- [#5966](https://github.com/thanos-io/thanos/pull/5966) Query: Stop relying on non-existent hints for mint and maxt when selecting series for the `api/v1/series` HTTP endpoint.
- [#5948](https://github.com/thanos-io/thanos/pull/5948) Store: `chunks_fetched_duration` wrong calculation.
- [#5910](https://github.com/thanos-io/thanos/pull/5910): Receive: Fixed ketama quorum bug that was could cause success response for failed replication. This also optimize heavily receiver CPU use.

### Added

- [#5945](https://github.com/thanos-io/thanos/pull/5945) Tools: Added new `no-downsample` marker to skip blocks when downsampling via `thanos tools bucket mark --marker=no-downsample-mark.json`. This will skip downsampling for blocks with the new marker.
- [#5814](https://github.com/thanos-io/thanos/pull/5814) Store: Add metric `thanos_bucket_store_postings_size_bytes` that shows the distribution of how many postings (in bytes) were needed for each Series() call in Thanos Store. Useful for determining limits.
- [#5801](https://github.com/thanos-io/thanos/pull/5801) Store: add a new limiter `--store.grpc.downloaded-bytes-limit` that limits the number of bytes downloaded in each Series/LabelNames/LabelValues call. Use `thanos_bucket_store_postings_size_bytes` for determining the limits.
- [#5839](https://github.com/thanos-io/thanos/pull/5839) Receive: Add parameter `--tsdb.out-of-order.time-window` to set time window for experimental out-of-order samples ingestion. Disabled by default (set to 0s). Please note if you enable this option and you use compactor, make sure you set the `--enable-vertical-compaction` flag, otherwise you might risk compactor halt.
- [#5836](https://github.com/thanos-io/thanos/pull/5836) Receive: Add hidden flag `tsdb.memory-snapshot-on-shutdown` to enable experimental TSDB feature to snapshot on shutdown. This is intended to speed up receiver restart.
- [#5814](https://github.com/thanos-io/thanos/pull/5814) Store: Added metric `thanos_bucket_store_postings_size_bytes` that shows the distribution of how many postings (in bytes) were needed for each Series() call in Thanos Store. Useful for determining limits.
- [#5703](https://github.com/thanos-io/thanos/pull/5703) StoreAPI: Added `hash` field to series' chunks. Store gateway and receive implements that field and proxy leverage that for quicker deduplication.
- [#5801](https://github.com/thanos-io/thanos/pull/5801) Store: Added a new flag `--store.grpc.downloaded-bytes-limit` that limits the number of bytes downloaded in each Series/LabelNames/LabelValues call. Use `thanos_bucket_store_postings_size_bytes` for determining the limits.
- [#5836](https://github.com/thanos-io/thanos/pull/5836) Receive: Added hidden flag `tsdb.memory-snapshot-on-shutdown` to enable experimental TSDB feature to snapshot on shutdown. This is intended to speed up receiver restart.
- [#5839](https://github.com/thanos-io/thanos/pull/5839) Receive: Added parameter `--tsdb.out-of-order.time-window` to set time window for experimental out-of-order samples ingestion. Disabled by default (set to 0s). Please note if you enable this option and you use compactor, make sure you set the `--enable-vertical-compaction` flag, otherwise you might risk compactor halt.
- [#5889](https://github.com/thanos-io/thanos/pull/5889) Query Frontend: Added support for vertical sharding `label_replace` and `label_join` functions.
- [#5865](https://github.com/thanos-io/thanos/pull/5865) Compact: Retry on sync metas error.
- [#5889](https://github.com/thanos-io/thanos/pull/5889) Query Frontend: Support sharding vertical sharding `label_replace` and `label_join` functions.
- [#5819](https://github.com/thanos-io/thanos/pull/5819) Store: Add a few objectives for Store's data touched/fetched amount and sizes. They are: 50, 95, and 99 quantiles.
- [#5819](https://github.com/thanos-io/thanos/pull/5819) Store: Added a few objectives for Store's data summaries (touched/fetched amount and sizes). They are: 50, 95, and 99 quantiles.
- [#5837](https://github.com/thanos-io/thanos/pull/5837) Store: Added streaming retrival of series from object storage.
- [#5940](https://github.com/thanos-io/thanos/pull/5940) Objstore: Support for authenticating to Swift using application credentials.
- [#5977](https://github.com/thanos-io/thanos/pull/5977) Tools: Added remove flag on bucket mark command to remove deletion, no-downsample or no-compact markers on the block.
- [#5945](https://github.com/thanos-io/thanos/pull/5945) Tools: Added new `no-downsample` marker to skip blocks when downsampling via `thanos tools bucket mark --marker=no-downsample-mark.json`. This will skip downsampling for blocks with the new marker.
- [#5977](https://github.com/thanos-io/thanos/pull/5977) Tools: Added remove flag on bucket mark command to remove deletion, no-downsample or no-compact markers on the block

### Changed

- [#5716](https://github.com/thanos-io/thanos/pull/5716) DNS: Fix miekgdns resolver LookupSRV to work with CNAME records.
- [#5785](https://github.com/thanos-io/thanos/pull/5785) Query: `thanos_store_nodes_grpc_connections` now trimms `external_labels` label name longer than 1000 character. It also allows customizations in what labels to preserve using `query.conn-metric.label` flag.
- [#5542](https://github.com/thanos-io/thanos/pull/5542) Mixin: Added query concurrency panel to Querier dashboard.
- [#5846](https://github.com/thanos-io/thanos/pull/5846) Query Frontend: vertical query sharding supports subqueries.
- [#5909](https://github.com/thanos-io/thanos/pull/5909) Receive: compact tenant head after no appends have happened for 1.5 `tsdb.max-block-size`.
- [#5593](https://github.com/thanos-io/thanos/pull/5593) Cache: switch Redis client to [Rueidis](https://github.com/rueian/rueidis). Rueidis is [faster](https://github.com/rueian/rueidis#benchmark-comparison-with-go-redis-v9) and provides [client-side caching](https://redis.io/docs/manual/client-side-caching/). It is highly recommended to use it so that repeated requests for the same key would not be needed.
- [#5896](https://github.com/thanos-io/thanos/pull/5896) *: Upgrade Prometheus to v0.40.7 without implementing native histogram support. *Querying native histograms will fail with `Error executing query: invalid chunk encoding "<unknown>"` and native histograms in write requests are ignored.*
- [#5909](https://github.com/thanos-io/thanos/pull/5909) Receive: Compact tenant head after no appends have happened for 1.5 `tsdb.max-block-size`.
- [#5593](https://github.com/thanos-io/thanos/pull/5593) Cache: Switched Redis client to [Rueidis](https://github.com/rueian/rueidis). Rueidis is [faster](https://github.com/rueian/rueidis#benchmark-comparison-with-go-redis-v9) and provides [client-side caching](https://redis.io/docs/manual/client-side-caching/). It is highly recommended to use it so that repeated requests for the same key would not be needed.
- [#5896](https://github.com/thanos-io/thanos/pull/5896) *: Upgraded Prometheus to v0.40.7 without implementing native histogram support. *Querying native histograms will fail with `Error executing query: invalid chunk encoding "<unknown>"` and native histograms in write requests are ignored.*
- [#5838](https://github.com/thanos-io/thanos/pull/5838) Mixin: Added data touched type to Store dashboard.
- [#5922](https://github.com/thanos-io/thanos/pull/5922) Compact: Retry on clean, partial marked errors when possible.

### Removed

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2 changes: 1 addition & 1 deletion VERSION
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0.30.0-dev
0.30.0-rc.0

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