Maksadbek
Cameron Sparr
parent
a2d1ee08d4
commit
b95a90dbd6
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@ -27,6 +27,7 @@ based on _prefix_ in addition to globs. This means that a filter like
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### Features
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- [#1017](https://github.com/influxdata/telegraf/pull/1017): taginclude and tagexclude arguments.
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- [#1015](https://github.com/influxdata/telegraf/pull/1015): Docker plugin schema refactor.
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- [#889](https://github.com/influxdata/telegraf/pull/889): Improved MySQL plugin. Thanks @maksadbek!
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### Bugfixes
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- [#921](https://github.com/influxdata/telegraf/pull/921): mqtt_consumer stops gathering metrics. Thanks @chaton78!
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@ -0,0 +1,190 @@
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# MySQL Input plugin
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This plugin gathers the statistic data from MySQL server
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* Global statuses
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* Global variables
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* Slave statuses
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* Binlog size
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* Process list
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* Info schema auto increment columns
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* Table I/O waits
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* Index I/O waits
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* Perf Schema table lock waits
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* Perf Schema event waits
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* Perf Schema events statements
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* File events statistics
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* Table schema statistics
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## Configuration
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```
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# Read metrics from one or many mysql servers
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[[inputs.mysql]]
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## specify servers via a url matching:
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## [username[:password]@][protocol[(address)]]/[?tls=[true|false|skip-verify]]
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## see https://github.com/go-sql-driver/mysql#dsn-data-source-name
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## e.g.
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## root:passwd@tcp(127.0.0.1:3306)/?tls=false
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## root@tcp(127.0.0.1:3306)/?tls=false
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#
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## If no servers are specified, then localhost is used as the host.
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servers = ["tcp(127.0.0.1:3306)/"]
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## the limits for metrics form perf_events_statements
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perf_events_statements_digest_text_limit = 120
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perf_events_statements_limit = 250
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perf_events_statements_time_limit = 86400
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#
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## if the list is empty, then metrics are gathered from all database tables
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table_schema_databases = []
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#
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## gather metrics from INFORMATION_SCHEMA.TABLES for databases provided above list
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gather_table_schema = false
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#
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## gather thread state counts from INFORMATION_SCHEMA.PROCESSLIST
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gather_process_list = true
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#
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## gather auto_increment columns and max values from information schema
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gather_info_schema_auto_inc = true
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#
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## gather metrics from SHOW SLAVE STATUS command output
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gather_slave_status = true
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#
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## gather metrics from SHOW BINARY LOGS command output
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gather_binary_logs = false
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#
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## gather metrics from PERFORMANCE_SCHEMA.TABLE_IO_WAITS_SUMMART_BY_TABLE
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gather_table_io_waits = false
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#
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## gather metrics from PERFORMANCE_SCHEMA.TABLE_IO_WAITS_SUMMART_BY_INDEX_USAGE
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gather_index_io_waits = false
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#
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## gather metrics from PERFORMANCE_SCHEMA.FILE_SUMMARY_BY_EVENT_NAME
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gather_file_events_stats = false
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#
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## gather metrics from PERFORMANCE_SCHEMA.EVENTS_STATEMENTS_SUMMARY_BY_DIGEST
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gather_perf_events_statements = false
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#
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## Some queries we may want to run less often (such as SHOW GLOBAL VARIABLES)
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interval_slow = "30m"
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```
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## Measurements & Fields
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* Global statuses - all numeric and boolean values of `SHOW GLOBAL STATUSES`
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* Global variables - all numeric and boolean values of `SHOW GLOBAL VARIABLES`
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* Slave status - metrics from `SHOW SLAVE STATUS` the metrics are gathered when
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the single-source replication is on. If the multi-source replication is set,
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then everything works differently, this metric does not work with multi-source
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replication.
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* slave_[column name]()
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* Binary logs - all metrics including size and count of all binary files.
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Requires to be turned on in configuration.
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* binary_size_bytes(int, number)
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* binary_files_count(int, number)
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* Process list - connection metrics from processlist for each user. It has the following tags
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* connections(int, number)
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* Perf Table IO waits - total count and time of I/O waits event for each table
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and process. It has following fields:
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* table_io_waits_total_fetch(float, number)
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* table_io_waits_total_insert(float, number)
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* table_io_waits_total_update(float, number)
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* table_io_waits_total_delete(float, number)
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* table_io_waits_seconds_total_fetch(float, milliseconds)
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* table_io_waits_seconds_total_insert(float, milliseconds)
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* table_io_waits_seconds_total_update(float, milliseconds)
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* table_io_waits_seconds_total_delete(float, milliseconds)
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* Perf index IO waits - total count and time of I/O waits event for each index
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and process. It has following fields:
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* index_io_waits_total_fetch(float, number)
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* index_io_waits_seconds_total_fetch(float, milliseconds)
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* index_io_waits_total_insert(float, number)
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* index_io_waits_total_update(float, number)
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* index_io_waits_total_delete(float, number)
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* index_io_waits_seconds_total_insert(float, milliseconds)
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* index_io_waits_seconds_total_update(float, milliseconds)
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* index_io_waits_seconds_total_delete(float, milliseconds)
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* Info schema autoincrement statuses - autoincrement fields and max values
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for them. It has following fields:
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* auto_increment_column(int, number)
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* auto_increment_column_max(int, number)
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* Perf table lock waits - gathers total number and time for SQL and external
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lock waits events for each table and operation. It has following fields.
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The unit of fields varies by the tags.
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* read_normal(float, number/milliseconds)
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* read_with_shared_locks(float, number/milliseconds)
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* read_high_priority(float, number/milliseconds)
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* read_no_insert(float, number/milliseconds)
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* write_normal(float, number/milliseconds)
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* write_allow_write(float, number/milliseconds)
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* write_concurrent_insert(float, number/milliseconds)
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* write_delayed(float, number/milliseconds)
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* write_low_priority(float, number/milliseconds)
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* read(float, number/milliseconds)
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* write(float, number/milliseconds)
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* Perf events waits - gathers total time and number of event waits
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* events_waits_total(float, number)
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* events_waits_seconds_total(float, milliseconds)
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* Perf file events statuses - gathers file events statuses
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* file_events_total(float,number)
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* file_events_seconds_total(float, milliseconds)
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* file_events_bytes_total(float, bytes)
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* Perf file events statements - gathers attributes of each event
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* events_statements_total(float, number)
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* events_statements_seconds_total(float, millieconds)
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* events_statements_errors_total(float, number)
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* events_statements_warnings_total(float, number)
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* events_statements_rows_affected_total(float, number)
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* events_statements_rows_sent_total(float, number)
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* events_statements_rows_examined_total(float, number)
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* events_statements_tmp_tables_total(float, number)
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* events_statements_tmp_disk_tables_total(float, number)
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* events_statements_sort_merge_passes_totales(float, number)
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* events_statements_sort_rows_total(float, number)
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* events_statements_no_index_used_total(float, number)
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* Table schema - gathers statistics of each schema. It has following measurements
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* info_schema_table_rows(float, number)
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* info_schema_table_size_data_length(float, number)
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* info_schema_table_size_index_length(float, number)
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* info_schema_table_size_data_free(float, number)
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* info_schema_table_version(float, number)
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## Tags
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* All measurements has following tags
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* server (the host name from which the metrics are gathered)
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* Process list measurement has following tags
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* user (username for whom the metrics are gathered)
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* Perf table IO waits measurement has following tags
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* schema
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* name (object name for event or process)
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* Perf index IO waits has following tags
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* schema
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* name
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* index
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* Info schema autoincrement statuses has following tags
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* schema
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* table
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* column
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* Perf table lock waits has following tags
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* schema
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* table
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* sql_lock_waits_total(fields including this tag have numeric unit)
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* external_lock_waits_total(fields including this tag have numeric unit)
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* sql_lock_waits_seconds_total(fields including this tag have millisecond unit)
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* external_lock_waits_seconds_total(fields including this tag have millisecond unit)
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* Perf events statements has following tags
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* event_name
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* Perf file events statuses has following tags
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* event_name
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* mode
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* Perf file events statements has following tags
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* schema
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* digest
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* digest_text
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* Table schema has following tags
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* schema
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* table
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* component
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* type
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* engine
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* row_format
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* create_options
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@ -33,29 +33,51 @@ type Mysql struct {
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}
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var sampleConfig = `
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# specify servers via a url matching:
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# [username[:password]@][protocol[(address)]]/[?tls=[true|false|skip-verify]]
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# see https://github.com/go-sql-driver/mysql#dsn-data-source-name
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# e.g.
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# root:passwd@tcp(127.0.0.1:3306)/?tls=false
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# root@tcp(127.0.0.1:3306)/?tls=false
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## specify servers via a url matching:
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## [username[:password]@][protocol[(address)]]/[?tls=[true|false|skip-verify]]
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## see https://github.com/go-sql-driver/mysql#dsn-data-source-name
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## e.g.
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## root:passwd@tcp(127.0.0.1:3306)/?tls=false
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## root@tcp(127.0.0.1:3306)/?tls=false
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#
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# If no servers are specified, then localhost is used as the host.
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## If no servers are specified, then localhost is used as the host.
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servers = ["tcp(127.0.0.1:3306)/"]
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## the limits for metrics form perf_events_statements
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perf_events_statements_digest_text_limit = 120
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perf_events_statements_limit = 250
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perf_events_statements_time_limit = 86400
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#
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## if the list is empty, then metrics are gathered from all databasee tables
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table_schema_databases = []
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gather_process_list = true
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gather_info_schema_auto_inc = true
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gather_slave_status = true
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gather_binary_logs = false
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gather_table_io_waits = false
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gather_index_io_waits = false
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#
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## gather metrics from INFORMATION_SCHEMA.TABLES for databases provided above list
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gather_table_schema = false
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#
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## gather thread state counts from INFORMATION_SCHEMA.PROCESSLIST
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gather_process_list = true
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#
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## gather auto_increment columns and max values from information schema
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gather_info_schema_auto_inc = true
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#
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## gather metrics from SHOW SLAVE STATUS command output
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gather_slave_status = true
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#
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## gather metrics from SHOW BINARY LOGS command output
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gather_binary_logs = false
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#
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## gather metrics from PERFORMANCE_SCHEMA.TABLE_IO_WAITS_SUMMART_BY_TABLE
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gather_table_io_waits = false
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#
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## gather metrics from PERFORMANCE_SCHEMA.TABLE_IO_WAITS_SUMMART_BY_INDEX_USAGE
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gather_index_io_waits = false
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#
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## gather metrics from PERFORMANCE_SCHEMA.FILE_SUMMARY_BY_EVENT_NAME
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gather_file_events_stats = false
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#
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## gather metrics from PERFORMANCE_SCHEMA.EVENTS_STATEMENTS_SUMMARY_BY_DIGEST
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gather_perf_events_statements = false
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# Some queries we may want to run less often (such as SHOW GLOBAL VARIABLES)
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#
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## Some queries we may want to run less often (such as SHOW GLOBAL VARIABLES)
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interval_slow = "30m"
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`
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