MySQL Input plugin

This plugin gathers the statistic data from MySQL server

Global statuses
Global variables
Slave statuses
Binlog size
Process list
User Statistics
Info schema auto increment columns
InnoDB metrics
Table I/O waits
Index I/O waits
Perf Schema table lock waits
Perf Schema event waits
Perf Schema events statements
File events statistics
Table schema statistics

Configuration

# Read metrics from one or many mysql servers
[[inputs.mysql]]
  ## specify servers via a url matching:
  ##  [username[:password]@][protocol[(address)]]/[?tls=[true|false|skip-verify]]
  ##  see https://github.com/go-sql-driver/mysql#dsn-data-source-name
  ##  e.g.
  ##    servers = ["user:passwd@tcp(127.0.0.1:3306)/?tls=false"]
  ##    servers = ["user@tcp(127.0.0.1:3306)/?tls=false"]
  #
  ## If no servers are specified, then localhost is used as the host.
  servers = ["tcp(127.0.0.1:3306)/"]
  ## the limits for metrics form perf_events_statements
  perf_events_statements_digest_text_limit  = 120
  perf_events_statements_limit              = 250
  perf_events_statements_time_limit         = 86400
  #
  ## if the list is empty, then metrics are gathered from all database tables
  table_schema_databases                    = []
  #
  ## gather metrics from INFORMATION_SCHEMA.TABLES for databases provided above list
  gather_table_schema                       = false
  #
  ## gather thread state counts from INFORMATION_SCHEMA.PROCESSLIST
  gather_process_list                       = true
  #
  ## gather thread state counts from INFORMATION_SCHEMA.USER_STATISTICS
  gather_user_statistics                    = true
  #
  ## gather auto_increment columns and max values from information schema
  gather_info_schema_auto_inc               = true
  #
  ## gather metrics from INFORMATION_SCHEMA.INNODB_METRICS
  gather_innodb_metrics                     = true
  #
  ## gather metrics from SHOW SLAVE STATUS command output
  gather_slave_status                       = true
  #
  ## gather metrics from SHOW BINARY LOGS command output
  gather_binary_logs                        = false
  #
  ## gather metrics from PERFORMANCE_SCHEMA.TABLE_IO_WAITS_SUMMARY_BY_TABLE
  gather_table_io_waits                     = false
  #
  ## gather metrics from PERFORMANCE_SCHEMA.TABLE_LOCK_WAITS
  gather_table_lock_waits                   = false
  #
  ## gather metrics from PERFORMANCE_SCHEMA.TABLE_IO_WAITS_SUMMARY_BY_INDEX_USAGE
  gather_index_io_waits                     = false
  #
  ## gather metrics from PERFORMANCE_SCHEMA.EVENT_WAITS
  gather_event_waits                        = false
  #
  ## gather metrics from PERFORMANCE_SCHEMA.FILE_SUMMARY_BY_EVENT_NAME
  gather_file_events_stats                  = false
  #
  ## gather metrics from PERFORMANCE_SCHEMA.EVENTS_STATEMENTS_SUMMARY_BY_DIGEST
  gather_perf_events_statements             = false
  #
  ## Some queries we may want to run less often (such as SHOW GLOBAL VARIABLES)
  interval_slow                             = "30m"

Measurements & Fields

Global statuses - all numeric and boolean values of SHOW GLOBAL STATUSES
Global variables - all numeric and boolean values of SHOW GLOBAL VARIABLES
Slave status - metrics from SHOW SLAVE STATUS the metrics are gathered when the single-source replication is on. If the multi-source replication is set, then everything works differently, this metric does not work with multi-source replication.
- slave_column name
Binary logs - all metrics including size and count of all binary files. Requires to be turned on in configuration.
- binary_size_bytes(int, number)
- binary_files_count(int, number)
Process list - connection metrics from processlist for each user. It has the following tags
- connections(int, number)
User Statistics - connection metrics from user statistics for each user. It has the following fields
- access_denied
- binlog_bytes_written
- busy_time
- bytes_received
- bytes_sent
- commit_transactions
- concurrent_connections
- connected_time
- cpu_time
- denied_connections
- empty_queries
- hostlost_connections
- other_commands
- rollback_transactions
- rows_fetched
- rows_updated
- select_commands
- server
- table_rows_read
- total_connections
- total_ssl_connections
- update_commands
- user
Perf Table IO waits - total count and time of I/O waits event for each table and process. It has following fields:
- table_io_waits_total_fetch(float, number)
- table_io_waits_total_insert(float, number)
- table_io_waits_total_update(float, number)
- table_io_waits_total_delete(float, number)
- table_io_waits_seconds_total_fetch(float, milliseconds)
- table_io_waits_seconds_total_insert(float, milliseconds)
- table_io_waits_seconds_total_update(float, milliseconds)
- table_io_waits_seconds_total_delete(float, milliseconds)
Perf index IO waits - total count and time of I/O waits event for each index and process. It has following fields:
- index_io_waits_total_fetch(float, number)
- index_io_waits_seconds_total_fetch(float, milliseconds)
- index_io_waits_total_insert(float, number)
- index_io_waits_total_update(float, number)
- index_io_waits_total_delete(float, number)
- index_io_waits_seconds_total_insert(float, milliseconds)
- index_io_waits_seconds_total_update(float, milliseconds)
- index_io_waits_seconds_total_delete(float, milliseconds)
Info schema autoincrement statuses - autoincrement fields and max values for them. It has following fields:
- auto_increment_column(int, number)
- auto_increment_column_max(int, number)
InnoDB metrics - all metrics of information_schema.INNODB_METRICS with a status "enabled"
Perf table lock waits - gathers total number and time for SQL and external lock waits events for each table and operation. It has following fields. The unit of fields varies by the tags.
- read_normal(float, number/milliseconds)
- read_with_shared_locks(float, number/milliseconds)
- read_high_priority(float, number/milliseconds)
- read_no_insert(float, number/milliseconds)
- write_normal(float, number/milliseconds)
- write_allow_write(float, number/milliseconds)
- write_concurrent_insert(float, number/milliseconds)
- write_low_priority(float, number/milliseconds)
- read(float, number/milliseconds)
- write(float, number/milliseconds)
Perf events waits - gathers total time and number of event waits
- events_waits_total(float, number)
- events_waits_seconds_total(float, milliseconds)
Perf file events statuses - gathers file events statuses
- file_events_total(float,number)
- file_events_seconds_total(float, milliseconds)
- file_events_bytes_total(float, bytes)
Perf events statements - gathers attributes of each event
- events_statements_total(float, number)
- events_statements_seconds_total(float, millieconds)
- events_statements_errors_total(float, number)
- events_statements_warnings_total(float, number)
- events_statements_rows_affected_total(float, number)
- events_statements_rows_sent_total(float, number)
- events_statements_rows_examined_total(float, number)
- events_statements_tmp_tables_total(float, number)
- events_statements_tmp_disk_tables_total(float, number)
- events_statements_sort_merge_passes_totales(float, number)
- events_statements_sort_rows_total(float, number)
- events_statements_no_index_used_total(float, number)
Table schema - gathers statistics of each schema. It has following measurements
- info_schema_table_rows(float, number)
- info_schema_table_size_data_length(float, number)
- info_schema_table_size_index_length(float, number)
- info_schema_table_size_data_free(float, number)
- info_schema_table_version(float, number)

9.1 KiB Raw Blame History

MySQL Input plugin

Configuration

Measurements & Fields

Tags

9.1 KiB

Raw Blame History