/
schema_size.go
49 lines (39 loc) · 1.01 KB
/
schema_size.go
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package monitoring
import (
"fmt"
"log"
"strconv"
"github.com/jmoiron/sqlx"
)
// PoolUsage shows gneral resource pool usage stats.
type SchemaSize struct {
SchemaName string `db:"schema_name"`
SchemaSizeGB string `db:"schema_size_gb"`
}
// NewPoolUsage returns a list of pool usage stats.
func NewSchemaSize(db *sqlx.DB) []SchemaSize {
sql := `
SELECT
anchor_table_schema as schema_name,
SUM(used_bytes) / 1024/1024/1024 AS schema_size_gb
FROM v_monitor.projection_storage
GROUP BY anchor_table_schema;
`
usage := []SchemaSize{}
err := db.Select(&usage, sql)
if err != nil {
log.Fatal(err)
}
return usage
}
// ToMetric converts PoolUsage to a Map.
func (usage SchemaSize) ToMetric() map[string]float32 {
metrics := map[string]float32{}
schemaSize, err := strconv.ParseFloat(usage.SchemaSizeGB, 32)
if err != nil {
fmt.Println(err)
}
schemaName := fmt.Sprintf("schema=%q", usage.SchemaName)
metrics[fmt.Sprintf("vertica_schema_size{%s}", schemaName)] = float32(schemaSize)
return metrics
}