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master / unreleased

BREAKING CHANGES:

Changes:

  • [CHANGE]
  • [FEATURE]
  • [ENHANCEMENT]
  • [BUGFIX]

0.15.1 / 2023-12-12

  • Rebuild for dependency updates

0.15.0 / 2023-06-16

BREAKING CHANGES:

The exporter no longer supports the monolithic DATA_SOURCE_NAME environment variable. To configure connections to MySQL you can either use a my.cnf style config file or command line arguments.

For example:

export MYSQLD_EXPORTER_PASSWORD=secret
mysqld_exporter --mysqld.address=localhost:3306 --mysqld.username=exporter

We have also dropped some internal scrape metrics:

  • mysql_exporter_scrapes_total
  • mysql_exporter_scrape_errors_total
  • mysql_last_scrape_failed

The default client configuration file is now .my.cnf in the process working directory. Use --config.my-cnf="$HOME/.my.cnf" to retain the previous default.

Changes:

  • [CHANGE] Allow tlsCfg.InsecureSkipVerify outside of mTLS #631
  • [CHANGE] Update to exporter-toolkit v0.8.1 #677
  • [CHANGE] Fix shared metrics between requests #722
  • [CHANGE] Allow empty passwords #742
  • [CHANGE] Don't use HOME env in the my-cnf config path. #745
  • [FEATURE] Add support for collecting metrics from sys.user_summary #628
  • [FEATURE] Support for multi-target mysqld probes #651
  • [FEATURE] Add MySQL TLS configurations #718
  • [FEATURE] Add config reload via /-/reload #734
  • [ENHANCEMENT] Add UNIX domain socket support for multi-target scraping #707
  • [ENHANCEMENT] Use STRAIGHT_JOIN in infoSchemaAutoIncrementQuery #726
  • [BUGFIX] Fix infoSchemaInnodbMetricsEnabledColumnQuery #687
  • [BUGFIX] Allow empty passwords #742

0.14.0 / 2022-01-05

BREAKING CHANGES:

Metric names in the info_schema.processlist collector have been changed. #603 Metric names in the info_schema.replica_host collector have been changed. #496

  • [CHANGE] Rewrite processlist collector #603
  • [FEATURE] Add collector for replica_host_status #496
  • [ENHANCEMENT] Expose dates as timestamps grom GLOBAL STATUS #561
  • [BUGFIX] Fix mysql_slave_hosts_info for mysql 5.5 and mariadb 10.5 #577
  • [BUGFIX] Fix logging issues #562 #602

0.13.0 / 2021-05-18

BREAKING CHANGES:

Changes related to replication_group_member_stats collector:

  • metric "transaction_in_queue" was Counter instead of Gauge
  • renamed 3 metrics starting with mysql_perf_schema_transaction_ to start with mysql_perf_schema_transactions_ to be consistent with column names
  • exposing only server's own stats by matching MEMBER_ID with @@server_uuid resulting "member_id" label to be dropped.

Changes:

  • [CHANGE] Switch to go-kit for logs. #433
  • [FEATURE] Add tls.insecure-skip-verify flag to ignore tls verification errors #417
  • [FEATURE] Add collector for AWS Aurora information_schema.replica_host_status #435
  • [FEATURE] Add collector for replication_group_members #459
  • [FEATURE] Add new metrics to replication_group_member_stats collector to support MySQL 8.x. #462
  • [FEATURE] Add collector for performance_schema.memory_summary_global_by_event_name #515
  • [FEATURE] Support authenticating using mTLS client cert and no password #539
  • [FEATURE] Add TLS and basic authentication #522
  • [ENHANCEMENT] Support heartbeats in UTC #471
  • [ENHANCEMENT] Improve parsing of boolean strings #548
  • [BUGFIX] Fix binlog metrics on mysql 8.x #419
  • [BUGFIX] Fix output value of wsrep_cluster_status #473
  • [BUGFIX] Fix collect.info_schema.innodb_metrics for new field names (mariadb 10.5+) #494
  • [BUGFIX] Fix log output of collect[] params #505
  • [BUGFIX] Fix collect.info_schema.innodb_tablespaces for new table names #516
  • [BUGFIX] Fix innodb_metrics for mariadb 10.5+ #523
  • [BUGFIX] Allow perf_schema.memory summary current_bytes to be negative #517

0.12.1 / 2019-07-10

Changes:

  • Rebuild to update Docker packages.

0.12.0 / 2019-07-10

BREAKING CHANGES:

The minimum supported MySQL version is now 5.5.

Collector info_schema.tables is now disabled by default due to high cardinality danger.

Changes:

  • [CHANGE] Update defaults for MySQL 5.5 #318
  • [CHANGE] Update innodb buffer pool mappings #369
  • [CHANGE] Disable info_schema.tables collector by default #406
  • [BUGFIX] Sanitize metric names in global variables #307
  • [BUGFIX] Use GLOBAL to prevent mysql deadlock #336
  • [BUGFIX] Clear last_scrape_error on every scrape (PR #368) #367
  • [ENHANCEMENT] Add help for some GLOBAL VARIABLES metrics. #326
  • [FEATURE] Abort on timeout. #323
  • [FEATURE] Add minimal MySQL version to Scraper interface #328
  • [FEATURE] Add by_user and by_host metrics to info_schema.processlist collector (PR #333) #334
  • [FEATURE] Add wsrep_evs_repl_latency metric collecting. (PR #338)
  • [FEATURE] Add collector for mysql.user (PR #341)
  • [FEATURE] Add perf_schema.eventsstatementssum collector #347
  • [FEATURE] Add collector to get table stats grouped by schema (PR #354)
  • [FEATURE] Add replication_applier_status_by_worker metric collecting. (PR #366)

0.11.0 / 2018-06-29

BREAKING CHANGES:

  • Flags now use the Kingpin library, and require double-dashes. #222

This also changes the behavior of boolean flags.

  • Enable: --collect.global_status
  • Disable: --no-collect.global_status

Changes:

  • [CHANGE] Limit number and lifetime of connections #208
  • [ENHANCEMENT] Move session params to DSN #259
  • [ENHANCEMENT] Use native DB.Ping() instead of self-written implementation #210
  • [FEATURE] Add collector duration metrics #197
  • [FEATURE] Add 'collect[]' URL parameter to filter enabled collectors #235
  • [FEATURE] Set a lock_wait_timeout on the MySQL connection #252
  • [FEATURE] Set last_scrape_error when an error occurs #237
  • [FEATURE] Collect metrics from performance_schema.replication_group_member_stats #271
  • [FEATURE] Add innodb compression statistic #275
  • [FEATURE] Add metrics for the output of SHOW SLAVE HOSTS #279
  • [FEATURE] Support custom CA truststore and client SSL keypair. #255
  • [BUGFIX] Fix perfEventsStatementsQuery #213
  • [BUGFIX] Fix file_instances metric collector #205
  • [BUGFIX] Fix prefix removal in perf_schema_file_instances #257
  • [BUGFIX] Fix 32bit compile issue #273
  • [BUGFIX] Ignore boolean keys in my.cnf. #283

0.10.0 / 2017-04-25

BREAKING CHANGES:

  • mysql_slave_... metrics now include an additional connection_name label to support mariadb multi-source replication. (#178)

Changes:

  • [FEATURE] Add read/write query response time #166
  • [FEATURE] Add Galera gcache size metric #169
  • [FEATURE] Add MariaDB multi source replication support #178
  • [FEATURE] Implement heartbeat metrics #183
  • [FEATURE] Add basic file_summary_by_instance metrics #189
  • [BUGFIX] Workaround MySQL bug 79533 #173

0.9.0 / 2016-09-26

BREAKING CHANGES:

  • InnoDB buffer pool page stats have been renamed/fixed to better support aggregations (#130)

Changes:

  • [FEATURE] scrape slave status for multisource replication #134
  • [FEATURE] Add client statistics support (+ add tests on users & clients statistics) #138
  • [IMPROVEMENT] Consistency of error logging. #144
  • [IMPROVEMENT] Add label aggregation for innodb buffer metrics #130
  • [IMPROVEMENT] Improved and fixed user/client statistics #149
  • [FEATURE] Added the last binlog file number metric. #152
  • [MISC] Add an example recording rules file #156
  • [FEATURE] Added PXC/Galera info metrics. #155
  • [FEATURE] Added metrics from SHOW ENGINE INNODB STATUS. #160
  • [IMPROVEMENT] Fix wsrep_cluster_status #146

0.8.1 / 2016-05-05

Changes:

  • [BUGFIX] Fix collect.info_schema.innodb_tablespaces #119
  • [BUGFIX] Fix SLAVE STATUS "Connecting" #125
  • [MISC] New release process using docker, circleci and a centralized building tool #120
  • [MISC] Typos #121

0.8.0 / 2016-04-19

BREAKING CHANGES:

  • global status innodb_buffer_pool_pages have been renamed/labeled.
  • innodb metrics buffer_page_io have been renamed/labeled.

Changes:

  • [MISC] Add Travis CI automatic testing.
  • [MISC] Refactor mysqld_exporter.go into collector package.
  • [FEATURE] Add mysql_up metric (PR #99)
  • [FEATURE] Collect time metrics for processlist (PR #87)
  • [CHANGE] Separate innodb_buffer_pool_pages status metrics (PR #101)
  • [FEATURE] Added metrics from SHOW ENGINE TOKUDB STATUS (PR #103)
  • [CHANGE] Add special handling of buffer_page_io subsystem (PR #115)
  • [FEATURE] Add collector for innodb_sys_tablespaces (PR #116)

0.7.1 / 2016-02-16

Changes:

  • [IMPROVEMENT] Soft error on collector failure (PR #84)
  • [BUGFIX] Fix innodb_metrics collector (PR #85)
  • [BUGFIX] Parse auto increment values and maximum as float64 (PR #88)

0.7.0 / 2016-02-12

BREAKING CHANGES:

  • Global status metrics for "handlers" have been renamed

Changes:

  • [FEATURE] New collector for information_schema.table_statistics (PR #57)
  • [FEATURE] New server version metric (PR #59)
  • [FEATURE] New collector for information_schema.innodb_metrics (PR #69)
  • [FEATURE] Read credentials from ".my.cnf" files (PR #77)
  • [FEATURE] New collector for query response time distribution (PR #79)
  • [FEATURE] Add minimum time flag for processlist metrics (PR #82)
  • [IMPROVEMENT] Collect more metrics from performance_schema.events_statements_summary_by_digest (PR #58)
  • [IMPROVEMENT] Add option to filter metrics queries from the slow log (PR #60)
  • [IMPROVEMENT] Leverage lock-free SHOW SLAVE STATUS (PR #61)
  • [IMPROVEMENT] Add labels to global status "handlers" counters (PR #68)
  • [IMPROVEMENT] Update Makefile.COMMON from utils repo (PR #73)
  • [BUGFIX] Fix broken error return in the scrape function and log an error (PR #64)
  • [BUGFIX] Check log_bin before running SHOW BINARY LOGS (PR #74)
  • [BUGFIX] Fixed uint for scrapeInnodbMetrics() and gofmt (PR #81)

0.6.0 / 2015-10-28

BREAKING CHANGES:

  • The digest_text mapping metric has been removed, now included in all digest metrics (PR #50)
  • Flags for timing metrics have been removed, now included with related counter flag (PR #48)

Changes:

  • [FEATURE] New collector for metrics from information_schema.processlist (PR #34)
  • [FEATURE] New collector for binlog counts/sizes (PR #35)
  • [FEATURE] New collector for performance_schema.{file_summary_by_event_name,events_waits_summary_global_by_event_name} (PR #49)
  • [FEATURE] New collector for information_schema.tables (PR #51)
  • [IMPROVEMENT] All collection methods now have enable flags (PR #46)
  • [IMPROVEMENT] Consolidate performance_schema metrics flags (PR #48)
  • [IMPROVEMENT] Removed need for digest_text mapping metric (PR #50)
  • [IMPROVEMENT] Update docs (PR #52)

0.5.0 / 2015-09-22

Changes:

  • [FEATURE] Add metrics for table locks
  • [BUGFIX] Use uint64 to prevent int64 overflow
  • [BUGFIX] Correct picsecond times to correct second values

0.4.0 / 2015-09-21

Changes:

  • [CHANGE] Limit events_statements to recently used
  • [FEATURE] Add digest_text mapping metric
  • [IMPROVEMENT] General refactoring

0.3.0 / 2015-08-31

BREAKING CHANGES:

  • Most metrics have been prefixed with Prometheus subsystem names to avoid conflicts between different collection methods.

Changes:

  • [BUGFIX] Separate slave_status and global_status into separate subsystems.
  • [IMPROVEMENT] Refactor metrics creation.
  • [IMPROVEMENT] Add support for performance_schema.table_io_waits_summary_by_table collection.
  • [IMPROVEMENT] Add support for performance_schema.table_io_waits_summary_by_index_usage collection.
  • [IMPROVEMENT] Add support for performance_schema.events_statements_summary_by_digest collection.
  • [IMPROVEMENT] Add support for Percona userstats output collection.
  • [IMPROVEMENT] Add support for auto_increment column metrics collection.
  • [IMPROVEMENT] Add support for SHOW GLOBAL VARIABLES metrics collection.

0.2.0 / 2015-06-24

BREAKING CHANGES:

  • Logging-related flags have changed. Metric names have changed.

Changes:

  • [IMPROVEMENT] Add Docker support.
  • [CHANGE] Switch logging to Prometheus' logging library.
  • [BUGFIX] Fix slave status parsing.
  • [BUGFIX] Fix truncated numbers.
  • [CHANGE] Reorganize metrics names and types.

0.1.0 / 2015-05-05

Initial release