0.9.0

BREAKING CHANGES:

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

• [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

BREAKING CHANGES:

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

• [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

BREAKING CHANGES:

• Global status metrics for "handlers" have been renamed

Other 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

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)
• [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

• [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

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

0.3.0

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

• [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.

[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.