tile38/controller/stats.go

110 lines
2.7 KiB
Go

package controller
import (
"encoding/json"
"fmt"
"runtime"
"time"
"github.com/google/btree"
)
func (c *Controller) cmdStats(line string) (string, error) {
start := time.Now()
var key string
var ms = []map[string]interface{}{}
if line == "" {
return "", errInvalidNumberOfArguments
}
for len(line) > 0 {
line, key = token(line)
col := c.getCol(key)
if col != nil {
m := make(map[string]interface{})
points := col.PointCount()
m["num_points"] = points
m["in_memory_size"] = col.TotalWeight()
m["num_objects"] = col.Count()
ms = append(ms, m)
} else {
ms = append(ms, nil)
}
}
data, err := json.Marshal(ms)
if err != nil {
return "", err
}
return `{"ok":true,"stats":` + string(data) + `,"elapsed":"` + time.Now().Sub(start).String() + "\"}", nil
}
func (c *Controller) cmdServer(line string) (string, error) {
start := time.Now()
if line != "" {
return "", errInvalidNumberOfArguments
}
m := make(map[string]interface{})
m["id"] = c.config.ServerID
if c.config.FollowHost != "" {
m["following"] = fmt.Sprintf("%s:%d", c.config.FollowHost, c.config.FollowPort)
m["caught_up"] = c.fcup
}
m["aof_size"] = c.aofsz
m["num_collections"] = c.cols.Len()
sz := 0
c.cols.Ascend(func(item btree.Item) bool {
col := item.(*collectionT).Collection
sz += col.TotalWeight()
return true
})
m["in_memory_size"] = sz
points := 0
objects := 0
c.cols.Ascend(func(item btree.Item) bool {
col := item.(*collectionT).Collection
points += col.PointCount()
objects += col.Count()
return true
})
m["num_points"] = points
m["num_objects"] = objects
var mem runtime.MemStats
runtime.ReadMemStats(&mem)
avgsz := 0
if points != 0 {
avgsz = int(mem.HeapAlloc) / points
}
m["heap_size"] = mem.HeapAlloc
m["avg_item_size"] = avgsz
m["pointer_size"] = (32 << uintptr(uint64(^uintptr(0))>>63)) / 8
m["read_only"] = c.config.ReadOnly
data, err := json.Marshal(m)
if err != nil {
return "", err
}
return `{"ok":true,"stats":` + string(data) + `,"elapsed":"` + time.Now().Sub(start).String() + "\"}", nil
}
func (c *Controller) statsCollections(line string) (string, error) {
start := time.Now()
var key string
var ms = []map[string]interface{}{}
for len(line) > 0 {
line, key = token(line)
col := c.getCol(key)
if col != nil {
m := make(map[string]interface{})
points := col.PointCount()
m["num_points"] = points
m["in_memory_size"] = col.TotalWeight()
m["num_objects"] = col.Count()
ms = append(ms, m)
} else {
ms = append(ms, nil)
}
}
data, err := json.Marshal(ms)
if err != nil {
return "", err
}
return `{"ok":true,"stats":` + string(data) + `,"elapsed":"` + time.Now().Sub(start).String() + "\"}", nil
}