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CHANGELOG - ClickHouse

6.4.0 / 2026-03-18

Added:

  • Add ClickHouse support for DBM with Query Metrics, Query Samples, and Query Completions (#22341)
  • Update dependencies (#22707)

Fixed:

  • Fix query_signature mismatch between DBM query metrics and query samples by using raw query text instead of ClickHouse's normalizeQuery() for obfuscation (#22831)
  • Fix ClickHouse Cloud query undercounting by using per-node checkpoint tracking to prevent cross-node query_log flush races from skipping queries (#22903)

6.3.0 / 2026-02-19 / Agent 7.77.0

Added:

  • Add enable_legacy_tags_normalization option to preserve hyphens in tag values when set to false. (#22303)

6.2.1 / 2025-12-22 / Agent 7.75.0

Fixed:

  • Disable autogenerate session id (#21886)

6.2.0 / 2025-11-26 / Agent 7.74.0

Added:

  • Bump minimum version of datadog-checks-base to 37.24.0 (#21945)

6.1.0 / 2025-10-31 / Agent 7.73.0

Added:

  • Added metric to fix typo (keerper to keeper). Old metric to be deprecated down the line. (#21642)

6.0.0 / 2025-10-02 / Agent 7.72.0

Changed:

  • BREAKING CHANGE Modify Clickhouse integration to use the official HTTP connector (#21310)

Added:

  • Bump Python to 3.13 (#21161)
  • Bump datadog-checks-base to 37.21.0 (#21477)

5.3.1 / 2025-08-07 / Agent 7.70.0

Fixed:

  • Improve descriptions and examples in example configuration file (#20878)

5.3.0 / 2025-05-15 / Agent 7.67.0

Added:

  • Update dependencies (#20215)

5.2.0 / 2025-02-20 / Agent 7.64.0

Added:

  • Update dependencies (#19576)

5.1.0 / 2024-11-28 / Agent 7.61.0

Added:

  • Add verify option when connecting to ClickHouse server. (#19018)

5.0.0 / 2024-10-04 / Agent 7.59.0

Removed:

  • Remove support for Python 2. (#18580)
  • Add ability to pass a CA cert to Clickhouse (#18677)

Fixed:

  • Bump the version of datadog-checks-base to 37.0.0 (#18617)

4.0.0 / 2024-10-01 / Agent 7.58.0

Changed:

  • Bump minimum version of base check (#18733)

Added:

  • Bump the python version from 3.11 to 3.12 (#18212)

3.7.0 / 2024-09-05

Added:

  • Update dependencies (#18478)

3.6.0 / 2024-07-05 / Agent 7.56.0

Added:

  • Update dependencies (#17817)

3.5.0 / 2024-04-26 / Agent 7.54.0

Added:

  • Add new ClickHouse metrics (#17218)

3.4.0 / 2024-03-22 / Agent 7.53.0

Added:

  • Update custom_queries configuration to support optional collection_interval (#16957)
  • Update dependencies (#16963)

Fixed:

  • Document the metric_prefix option for custom queries (#17061)
  • Update the configuration to include the metric_prefix option (#17065)

3.3.0 / 2024-02-16 / Agent 7.52.0

Added:

  • Update dependencies (#16788)

3.2.0 / 2024-01-05 / Agent 7.51.0

Added:

  • Bump the Python version from py3.9 to py3.11 (#15997)

3.1.0 / 2023-09-29 / Agent 7.49.0

Added:

  • Upgrade clickhouse-driver to 0.2.6 on Python 3 (#15726)
  • Upgrade lz4 to 4.3.2 on Python 3 (#15746)

3.0.0 / 2023-08-10 / Agent 7.48.0

Changed:

  • Bump the minimum base check version (#15427)

Added:

  • Update generated config models (#15212)

Fixed:

  • Fix types for generated config models (#15334)

2.8.3 / 2023-07-10 / Agent 7.47.0

Fixed:

  • Bump Python version from py3.8 to py3.9 (#14701)

2.8.2 / 2023-01-20 / Agent 7.43.0

Fixed:

  • Make service check tests unitary. Add metadata entrypoint (#13753)

2.8.1 / 2022-12-09 / Agent 7.42.0

Fixed:

  • Update dependencies (#13478)

2.8.0 / 2022-08-05 / Agent 7.39.0

Added:

Fixed:

2.7.0 / 2022-04-05 / Agent 7.36.0

Added:

  • Upgrade dependencies (#11726)
  • Add metric_patterns options to filter all metric submission by a list of regexes (#11695)

2.6.0 / 2022-02-19 / Agent 7.35.0

Added:

  • Add pyproject.toml file (#11327)

Fixed:

  • Fix namespace packaging on Python 2 (#11532)
  • Remove unused metric_prefix in init_config (#11464)

2.5.1 / 2022-01-08 / Agent 7.34.0

Fixed:

  • Add comment to autogenerated model files (#10945)

2.5.0 / 2021-11-13 / Agent 7.33.0

Added:

  • Update dependencies (#10580)
  • Add runtime configuration validation (#8895)

2.4.1 / 2021-10-12 / Agent 7.32.0

Fixed:

  • Bump base package requirements (#10390)

2.4.0 / 2021-10-04

Added:

  • Sync configs with new option and bump base requirement (#10315)
  • Update dependencies (#10228)

Fixed:

  • Add server as generic tag (#10100)

2.3.0 / 2021-08-22 / Agent 7.31.0

Added:

  • Add support for Clickhouse v21 (#9235)

2.2.1 / 2021-07-12 / Agent 7.30.0

Fixed:

  • Bump base package dependency (#9666)

2.2.0 / 2021-05-28 / Agent 7.29.0

Added:

  • Upgrade ClickHouse dependencies (#9344)

2.1.0 / 2021-04-19 / Agent 7.28.0

Added:

  • Support Clickhouse metrics v20 (#8779)

2.0.2 / 2021-03-07 / Agent 7.27.0

Fixed:

  • Rename config spec example consumer option default to display_default (#8593)
  • Bump minimum base package version (#8443)

2.0.1 / 2021-01-25 / Agent 7.26.0

Fixed:

  • Remove calculate_text_stack_trace setting to allow the use of read-only accounts (#6637) Thanks TheMcGoose.

2.0.0 / 2020-10-31 / Agent 7.24.0

Changed:

  • QueryManager - Prevent queries leaking between check instances (#7750)

Added:

  • [doc] Add encoding in log config sample (#7708)

1.4.0 / 2020-09-21 / Agent 7.23.0

Added:

  • Add config specs to clickhouse (#7433)

Fixed:

  • Use database config template in existing specs (#7548)
  • Fix style for the latest release of Black (#7438)

1.3.2 / 2020-07-09 / Agent 7.22.0

Fixed:

  • Update can_connect service check status on each check run (#7006) Thanks isaachui.

1.3.1 / 2020-06-19 / Agent 7.21.0

Fixed:

  • Submit can_connect service check on each check run (#6926)

1.3.0 / 2020-05-17 / Agent 7.20.0

Added:

  • Allow optional dependency installation for all checks (#6589)

1.2.0 / 2020-04-04 / Agent 7.19.0

Added:

  • Add ddev test option to verify support of new metrics (#6141)
  • Add new metrics: cache_dictionary.update_queue.batches, cache_dictionary.update_queue.keys (#5976)

Fixed:

  • Remove logs sourcecategory (#6121)

1.1.0 / 2020-02-22 / Agent 7.18.0

Added:

  • Add newly-documented metrics (#5795)
  • Add new metric for tracking MySQL connections (#5700)

1.0.1 / 2020-01-24 / Agent 7.17.0

Fixed:

1.0.0 / 2019-12-18

Added:

  • Add ClickHouse integration (#4957)