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MON-404 make mysql innodb pool monitors more tolerant

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This commit is contained in:
Quentin Manfroi 2019-02-26 18:08:07 +01:00
parent 886de38eff
commit 3b5c032010
2 changed files with 11 additions and 6 deletions
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5
database/mysql/README.md
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@ -127,3 +127,8 @@ Creates DataDog monitors with the following checks:
## Related documentation ## Related documentation
DataDog documentation: [https://docs.datadoghq.com/integrations/mysql/](https://docs.datadoghq.com/integrations/mysql/) DataDog documentation: [https://docs.datadoghq.com/integrations/mysql/](https://docs.datadoghq.com/integrations/mysql/)
## Notes
It could be not possible to modify `innodb_buffer_pool_size` or `innodb_buffer_pool_instances` mysql parameters (i.e. cloudsql).
In this case, InnoDB Pool monitors could be less useful for optimization even if they could inform when an instance should be upsized.

12
database/mysql/inputs.tf
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@ -253,25 +253,25 @@ variable "mysql_pool_efficiency_message" {
} }
variable "mysql_pool_efficiency_threshold_critical" { variable "mysql_pool_efficiency_threshold_critical" {
default = 20 default = 30
description = "Maximum critical acceptable percent of innodb buffer pool efficiency" description = "Maximum critical acceptable percent of innodb buffer pool efficiency"
} }
variable "mysql_pool_efficiency_threshold_warning" { variable "mysql_pool_efficiency_threshold_warning" {
default = 1 default = 20
description = "Maximum warning acceptable percent of innodb buffer pool efficiency" description = "Maximum warning acceptable percent of innodb buffer pool efficiency"
} }
variable "mysql_pool_efficiency_time_aggregator" { variable "mysql_pool_efficiency_time_aggregator" {
description = "Monitor time aggregator for MySQL innodb buffer pool efficiency monitor [available values: min, max or avg]" description = "Monitor time aggregator for MySQL innodb buffer pool efficiency monitor [available values: min, max or avg]"
type = "string" type = "string"
default = "sum" default = "min"
} }
variable "mysql_pool_efficiency_timeframe" { variable "mysql_pool_efficiency_timeframe" {
description = "Monitor timeframe for MySQL innodb buffer pool efficiency monitor [available values: `last_#m` (1, 5, 10, 15, or 30), `last_#h` (1, 2, or 4), or `last_1d`]" description = "Monitor timeframe for MySQL innodb buffer pool efficiency monitor [available values: `last_#m` (1, 5, 10, 15, or 30), `last_#h` (1, 2, or 4), or `last_1d`]"
type = "string" type = "string"
default = "last_1h" default = "last_4h"
} }
################################# #################################
@ -303,12 +303,12 @@ variable "mysql_pool_utilization_message" {
} }
variable "mysql_pool_utilization_threshold_critical" { variable "mysql_pool_utilization_threshold_critical" {
default = 90 default = 95
description = "Maximum critical acceptable percent of innodb buffer pool utilization" description = "Maximum critical acceptable percent of innodb buffer pool utilization"
} }
variable "mysql_pool_utilization_threshold_warning" { variable "mysql_pool_utilization_threshold_warning" {
default = 75 default = 80
description = "Maximum warning acceptable percent of innodb buffer pool utilization" description = "Maximum warning acceptable percent of innodb buffer pool utilization"
} }