0.10.0

At a high level, this release

• Improves the metrics system exposed by Promscale
• Includes many bug fixes

Deprecation Notices for Next Release

Starting with the 0.11.0 release, we will:

• Drop support for TimescaleDB 1.x
• Drop support for running without the promscale database extension.

Additions

• OTEL collector exporter endpoint support to Promscale tracing telemetry exporter [#1148]
• Prometheus metrics support for Promscale tracing code paths [#1102, #1152]
• Performance metrics in the cache module in Promscale. These can be queried as PromQL under promscale_cache_ metric prefix [#1113]
• Add ingested spans-count to call home telemetry [#1155]
• Add example tracing setup to docker-compose [#1024]

Improvements

• Refactor and rename metrics exposed by Promscale. These can be found here [#1113]

Fixes

• Fix spans with end < start. Start and end are swapped in this case [#1096]
• Disable pushdowns that use offset in PromQL [#1129]
• Aggregate pushdown evaluation [#1098]
• Fix broken extraEnv parameter in helm chart values [#1126]
• Logging success message if extension update failed [#1139]

Changelog

• 941cfd2 *: Do not publish release automatically
• 8cd208b Add Go dependency ownership to myself
• 309b9fd Add a simple tracing setup to docker-compose
• e7eda92 Add doc to show new metrics exposed by /metrics endpoint.
• 0f51d32 Add explanation and minor refactoring around pushdown functions
• 4ed7edc Add logging usage of deprecated flags with recommendations
• f59b23e Add panic on missing flags when applying flag aliases
• 73d7c71 Add support for OTEL collector endpoint in Promscale tracing telemetry exporter
• 556c7bd Bump actions/setup-go from 2.1.5 to 2.2.0
• d152878 Bump github.com/containerd/cgroups from 1.0.2 to 1.0.3
• 8170d48 Bump github.com/jackc/pgconn from 1.10.1 to 1.11.0
• 61a9672 Bump github.com/jackc/pgtype from 1.9.1 to 1.10.0
• 39fdb47 Bump github.com/jackc/pgx/v4 from 4.14.1 to 4.15.0
• f51923b Bump github.com/jaegertracing/jaeger from 1.30.0 to 1.31.0
• 4f23d22 Bump github.com/open-telemetry/opentelemetry-collector-contrib/pkg/translator/jaeger
• 5d67279 Bump github.com/schollz/progressbar/v3 from 3.8.5 to 3.8.6
• 3ccf3d1 Bump go.opentelemetry.io/collector/model from 0.43.2 to 0.44.0
• 5014b73 Bump securego/gosec from 2.9.5 to 2.9.6
• 4856092 Change subsystem to type label.
• 9e90a38 Do not attempt to push down calls with offsets
• b1c5c08 Don't log success message if extension update failed
• 32c9aa1 Ensure that span start <= end
• 9391f8c Fix alter column to be in 0.10.0-dev and not in 0.8.0-dev
• 74f66b0 Fix broken pushdown queries
• 1ec7c26 Fix changelog: Add example tracing setup to unreleased.
• ad20435 Fix docker-compose dependency ordering
• a84f430 Fix web flags which were missed during the flag rename
• d08c138 Implement ingested_spans_count in telemetry data.
• 53cc24e Implement prometheus metrics for tracing path.
• cf44600 Increase visibility into trace ingest
• f83a39d Make telemetry engine to accept multiple metrics.
• 0742e64 Prepare for the 0.10.0 release.
• 0d66b9b Prevent swallowed build errors in e2e tests
• 6a73d8c Refactor metrics for api package.
• 856e477 Refactor out RemoteReadQuerier interface
• 75daab3 Rename and add perf metrics to clockcache.
• ead44af Rename metrics for ingestor module + some refactorings.
• 7101ab1 Rename metrics in querier.
• 767d1eb Replace stale metric that was being used for telemetry.
• 32696d6 Skip failing multinode trace test
• ebbde6f Skip failing telemetry tests related to different timescaledb versions
• 2ba6586 Update removal of deprecated flags to version 0.11.0
• 67c03fa Upload release to packagecloud
• ab8154b Use fully-qualified schema for _prom_catalog.ha_leases
• ca264e4 add Promscale logo
• 1ceecae deploy/helm: fix order of templating
• ab16e62 deploy/helm: sanitize extra environment variables