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Fix #1148 - chatty MySQL 

Two additional config options to reduce MySQL metrics

With:
 - gather_table_lock_waits = false
 - gather_event_waits = false

```
| wc -l
34
```

With:
 - gather_table_lock_waits = true
 - gather_event_waits = true

```
| wc -l
50040
```
This commit is contained in:
Lukasz Jagiello 2016-05-04 12:20:13 +00:00
parent 8371546a66
commit b96e12aba1
No known key found for this signature in database
GPG Key ID: AD709E6DC0024651
3 changed files with 30 additions and 6 deletions
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6
etc/telegraf.conf
View File

@ -879,9 +879,15 @@
# ## gather metrics from PERFORMANCE_SCHEMA.TABLE_IO_WAITS_SUMMART_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_SUMMART_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
# #

6
plugins/inputs/mysql/README.md
View File

@ -56,9 +56,15 @@ This plugin gathers the statistic data from MySQL server
## gather metrics from PERFORMANCE_SCHEMA.TABLE_IO_WAITS_SUMMART_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_SUMMART_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
#

24
plugins/inputs/mysql/mysql.go
View File

@ -25,7 +25,9 @@ type Mysql struct {
GatherSlaveStatus bool `toml:"gather_slave_status"`
GatherBinaryLogs bool `toml:"gather_binary_logs"`
GatherTableIOWaits bool `toml:"gather_table_io_waits"`
GatherTableLockWaits bool `toml:"gather_table_lock_waits"`
GatherIndexIOWaits bool `toml:"gather_index_io_waits"`
GatherEventWaits bool `toml:"gather_event_waits"`
GatherTableSchema bool `toml:"gather_table_schema"`
GatherFileEventsStats bool `toml:"gather_file_events_stats"`
GatherPerfEventsStatements bool `toml:"gather_perf_events_statements"`
@ -68,9 +70,15 @@ var sampleConfig = `
## gather metrics from PERFORMANCE_SCHEMA.TABLE_IO_WAITS_SUMMART_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_SUMMART_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
#
@ -612,14 +620,18 @@ func (m *Mysql) gatherServer(serv string, acc telegraf.Accumulator) error {
}
}
err = m.gatherPerfTableLockWaits(db, serv, acc)
if err != nil {
return err
if m.GatherTableLockWaits {
err = m.gatherPerfTableLockWaits(db, serv, acc)
if err != nil {
return err
}
}
err = m.gatherPerfEventWaits(db, serv, acc)
if err != nil {
return err
if m.GatherEventWaits {
err = m.gatherPerfEventWaits(db, serv, acc)
if err != nil {
return err
}
}
if m.GatherFileEventsStats {