v1.9.0

What's Changed

• upgrade to Go 1.17, closes #440 by @pashagolub in #441
• Grafana updated to the latest version by @yanchenko-igor in #428
• bigger upstream merge batch by @kmoppel-cognite in #431
• Prometheus mode optimization by @kmoppel-cognite in #401
• metrics: add new metrics for the upcoming Postgres v14 release. by @kmoppel-cognite in #399
• metrics: also skip tables just waiting for AccessExclusiveLock by @eshkinkot in #404
• fix file descriptors leak, fix race conditions in opening and closing database pool by @eshkinkot in #411
• gatherer: improve variable expansion in YAML configs by @kmoppel-cognite in #414
• gatherer: add a new --min-db-size-mb flag to ignore empty DBs by @kmoppel-cognite in #402
• gatherer: full redesign of connection pooling, relying on sqlx.DB by @kmoppel-cognite in #418
• daemon: introduce a 5s connect timeout on opening Postgres connections by @kmoppel-cognite in #419
• add Aiven as a cloud provider offering managed PostgreSQL by @carobme in #421
• give possibility to add an extra container by @pmpetit in #429
• add release GitHub Action by @pashagolub in #437
• fix incorrect conversion between integer types, fixes #438 by @pashagolub in #439
• add docker job to the Release workflow, closes #446 by @pashagolub in #448
• improve release action for beta versions by @pashagolub in #450
• Gatherer: remove unused port parameter from StartPrometheusExporter(), fixes #407 by @pashagolub in #455
• add action to close Stale Issues and PRs by @pashagolub in #456
• make stale label lower cased by @pashagolub in #457
• fix CVE-2021-3121: "improper Input Validation in GoGo Protobuf" by @pashagolub in #467
• fix get_table_bloat_approx_sql() when tblpages = 0, closes #464 by @pashagolub in #468
• bump elgohr/Publish-Docker-Github-Action to v4, closes #469 by @pashagolub in #470

New Contributors

• @kmoppel-cognite made their first contribution in #401
• @carobme made their first contribution in #421
• @yanchenko-igor made their first contribution in #428

Full Changelog: v1.8.5...v1.9.0