memcached 状态统计分析工具代码,GO代码库,德仔网

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【GO】 memcached 状态统计分析工具
作者:akang / 发布于2015/10/19/ 1254
本工具将memcached的stat,stat setting,stat slabs,stat items,stat sizes读取出来并进行分析。适用于windows和Linux 平台，方便对于memcachd的运行状况进行查看,初学go,不对地方欢迎指正。

	// gomcstat.go
	// 本代码由汪碧康编写,任何使用限制 联系方式: 524831546#qq.com
	//v1.0 create by kang
	package main
	
	import (
	 "color"
	 "flag"
	 "fmt"
	 "io"
	 "io/ioutil"
	 "memcache"
	 "net"
	 "os"
	 "sort"
	 "strings"
	 "time"
	)
	
	func GetStats(address string) *memcache.GeneralStats {
	 mclient := memcache.New(address)
	 xaddr, err := net.ResolveTCPAddr("tcp4", address)
	 if err != nil {
	 panic(err)
	 }
	 statsstruct, err := mclient.Stats(xaddr)
	 if err != nil {
	 panic(err)
	 }
	 return statsstruct
	}
	
	func GetSettings(address string) *memcache.SettingsStats {
	 mclient := memcache.New(address)
	 xaddr, err := net.ResolveTCPAddr("tcp4", address)
	 if err != nil {
	 panic(err)
	 }
	 settingsstruct, err := mclient.StatsSettings(xaddr)
	 if err != nil {
	 panic(err)
	 }
	 return settingsstruct
	}
	
	func GetSlabs(address string) map[int]*memcache.SlabStats {
	 mclient := memcache.New(address)
	 xaddr, err := net.ResolveTCPAddr("tcp4", address)
	 if err != nil {
	 panic(err)
	 }
	 slabsmap, err := mclient.StatsSlabs(xaddr)
	
	 if err != nil {
	 panic(err)
	 }
	 return slabsmap
	}
	
	func GetItems(address string) map[int]*memcache.ItemStats {
	 mclient := memcache.New(address)
	 xaddr, err := net.ResolveTCPAddr("tcp4", address)
	 if err != nil {
	 panic(err)
	 }
	 itemmap, err := mclient.StatsItems(xaddr)
	 if err != nil {
	 panic(err)
	 }
	 return itemmap
	}
	
	func GetSizes(address string) {
	 var logtime = time.Now().Format("2006010215")
	 ipport := strings.Replace(address, ":", "_", -1)
	 var tmpfile = "/tmp/" + ipport + "." + "mcstatssize." + logtime + ".log"
	 fi, err := os.Open(tmpfile)
	 if err != nil {
	 //fmt.Printf("no NO.%d data,more data view in /tmp dir/\n", Seelog)
	 //return
	 mclient := memcache.New(address)
	 xaddr, err := net.ResolveTCPAddr("tcp4", address)
	 if err != nil {
	 panic(err)
	 }
	 sizemap, err := mclient.StatsSizes(xaddr)
	 if err != nil {
	 //panic(err)
	 fmt.Println("connect memcached time out!")
	 return
	 }
	 ms := map[float64]int64{
	 0.5: 0,
	 1: 0,
	 5: 0,
	 10: 0,
	 50: 0,
	 100: 0,
	 200: 0,
	 201: 0,
	 }
	 var sbtotal int64 = 0
	 for k, v := range sizemap {
	 switch {
	 case k < 513:
	 ms[0.5] += int64(v)
	 case k < 1025:
	 ms[1] += int64(v)
	 case k < 5121:
	 ms[5] += int64(v)
	 case k < 10241:
	 ms[10] += int64(v)
	 case k < 51201:
	 ms[50] += int64(v)
	 case k < 102401:
	 ms[100] += int64(v)
	 case k < 204801:
	 ms[200] += int64(v)
	 default:
	 ms[201] += int64(v)
	 }
	 sbtotal += int64(v)
	 }
	
	 //paixu
	 var keys []float64
	 //var writestring []string
	 var aa string
	 for k := range ms {
	 keys = append(keys, k)
	 }
	 sort.Float64s(keys)
	 f, _ := os.Create(tmpfile)
	 for _, k := range keys {
	 if k == 201 {
	 aa = fmt.Sprintf(">=%5.1fKB : %-10d %0.2f%%\n", k, ms[k], float64(ms[k])/float64(sbtotal)*100)
	 } else {
	 aa = fmt.Sprintf("<=%5.1fKB : %-10d %0.2f%%\n", k, ms[k], float64(ms[k])/float64(sbtotal)*100)
	 }
	 //writestring = append(writestring, aa)
	 _, err := io.WriteString(f, aa)
	 if err != nil {
	 fmt.Println("write failure!")
	 }
	 }
	 f.Close()
	 fi, _ := os.Open(tmpfile)
	 fd, _ := ioutil.ReadAll(fi)
	 fmt.Println(string(fd))
	 } else {
	 fd, _ := ioutil.ReadAll(fi)
	 fmt.Println("cache")
	 fmt.Println(string(fd))
	 }
	 fi.Close()
	}
	
	func TerPrintdetails(add string) {
	 ss := GetStats(add)
	 sst := GetSettings(add)
	 var ucktotal, tcktotal, chunksizetotal, usechunksizetotal int64 = 0, 0, 0, 0
	
	 //Totalevict := ss.Evictions
	
	 color.Cyan("====stat==================================================================================================\n")
	 color.Red("| system_time : %-22s \n", time.Now().Format("2006-01-02 15:04:05"))
	 color.Red("| memcached_time : %-22s \n", time.Unix(int64(ss.Time), 0).Format("2006-01-02 15:04:05"))
	 color.Yellow("| curr_connections: %-12d ", ss.CurrConnections)
	 color.Green("| delete_hits_ratio : %0.4f%% \n", float64(ss.DeleteHits)*100/float64(ss.DeleteHits+ss.DeleteMisses))
	 color.Yellow("| evictions : %-12d ", ss.Evictions)
	 color.Green("| get_hits_ratio : %0.4f%% \n", float64(ss.GetHits)*100/float64(ss.CmdGet))
	 color.Yellow("| reclaimed : %-12d ", ss.Reclaimed)
	 color.Green("| bytes_read : %0.2fMB \n", float64(ss.BytesRead)/1024/1024)
	 color.Yellow("| total_items : %-12d ", ss.TotalItems)
	 color.Green("| bytes_written : %0.2fMB \n", float64(ss.BytesWritten)/1024/1024)
	 color.Yellow("| curr_items : %-12d ", ss.Bytes)
	 color.Green("| limit_maxbytes : %0.2fMB \n", float64(ss.LimitMaxbytes)/1024/1024)
	 color.Yellow("| conn_yields : %-12d ", ss.ConnYields)
	 color.Green("| bytes : %0.2fMB \n", float64(ss.Bytes)/1024/1024)
	 color.Yellow("| cmd_flush : %-12d ", ss.CmdFlush)
	 color.Green("| memused_ratio : %0.4f%% \n", float64(ss.Bytes)/float64(ss.LimitMaxbytes)*100)
	 color.Yellow("| cmd_set : %-12d ", ss.CmdFlush)
	 color.Green("| get/set : %0.4f:1 \n", float64(ss.CmdGet)/float64(ss.CmdSet))
	
	 color.Cyan("====settings===============================================================================================\n")
	
	 color.Green("| evictions : %-12v ", sst.Evictions)
	 color.Yellow("| maxconns : %-12d ", sst.Maxconns)
	 color.Red("| maxbytes : %0.4fMB \n", float64(sst.Maxbytes)/1024/1024)
	 color.Green("| detail_enabled : %-12v ", sst.DetailEnabled)
	 color.Yellow("| num_threads : %-12d ", sst.NumThreads)
	 color.Red("| chunk_size : %dByte \n", sst.ChunkSize)
	 color.Green("| reqs_per_event : %-12d ", sst.ReqsPerEvent)
	 color.Yellow("| tcp_backlog : %-12d ", sst.TcpBacklog)
	 color.Red("| item_size_max : %0.4fKB \n", float64(sst.ItemSizeMax)/1024)
	 color.Green("| slab_reassign : %-12v ", sst.SlabReassign)
	 color.Yellow("| slab_automove : %-12v ", sst.SlabAutomove)
	 color.Red("| oldest : %0.4fHour \n", float64(sst.Oldest)/3600)
	
	 color.Cyan("====sizes==================================================================================================\n")
	 GetSizes(add)
	 color.Cyan("====slabs==================================================================================================\n")
	 color.Cyan("Slabid | ChunkSize | TotalPage | PageOccupy[%%] | ChunkPerPage | ChunkUsedRatio[%%] | MemRequestd[MB] | SlabMemUsedRatio[%%] | MemOccupy[%%] | GetRatio[%%]\n")
	 ssl := GetSlabs(add)
	
	 var key []int
	 for k := range ssl {
	 key = append(key, k)
	 }
	 sort.Ints(key)
	 for _, k := range key {
	 ucktotal += int64(ssl[k].UsedChunks)
	 tcktotal += int64(ssl[k].TotalChunks)
	 chunksizetotal += int64(ssl[k].ChunkSize * ssl[k].TotalChunks)
	 usechunksizetotal += int64(ssl[k].ChunkSize * ssl[k].UsedChunks)
	 //fmt.Printf("%-8d %-13d %-12d %-15.6f %-16d %-20.6f %-14.4f %-18.4f %-16.4f %0.2f%%\n", k, ssl[k].ChunkSize, ssl[k].TotalPages, float64(ssl[k].TotalPages)*float64(sst.ItemSizeMax)*100/float64(ss.LimitMaxbytes), ssl[k].ChunksPerPage, float64(ssl[k].UsedChunks)*100/float64(ssl[k].TotalChunks), float64(ssl[k].MemRequested)/1024/1024, float64(ssl[k].MemRequested)*100/float64(ssl[k].ChunkSize*ssl[k].TotalChunks), float64(ssl[k].ChunkSize*ssl[k].TotalChunks)*100/float64(ss.LimitMaxbytes), float64(ssl[k].GetHits)*100/float64(ss.CmdGet))
	 color.Cyan("%-8d", k)
	 color.Green("%-13d %-12d %-15.6f %-16d", ssl[k].ChunkSize, ssl[k].TotalPages, float64(ssl[k].TotalPages)*float64(sst.ItemSizeMax)*100/float64(ss.LimitMaxbytes), ssl[k].ChunksPerPage)
	 color.Red("%-20.6f %-14.4f %-18.4f %-16.4f %0.2f%%\n", float64(ssl[k].UsedChunks)*100/float64(ssl[k].TotalChunks), float64(ssl[k].MemRequested)/1024/1024, float64(ssl[k].MemRequested)*100/float64(ssl[k].ChunkSize*ssl[k].TotalChunks), float64(ssl[k].ChunkSize*ssl[k].TotalChunks)*100/float64(ss.LimitMaxbytes), float64(ssl[k].GetHits)*100/float64(ss.CmdGet))
	 }
	
	 color.Cyan("==========================================================================================================\n")
	 color.Yellow("ChunkUsedRatio:%0.4f%% UseChunkRamRatio:%0.4f%% TotalChunkRamRatio:%0.4f%%\n", float64(ucktotal)*100/float64(tcktotal), float64(usechunksizetotal)*100/float64(ss.LimitMaxbytes), float64(chunksizetotal)*100/float64(ss.LimitMaxbytes))
	 color.Cyan("====items=================================================================================================\n")
	 color.Cyan("Slabid | Number | EvictedRatio | EvictedTime[H] | Outofmemory | Reclaimed | ExpiredUnfetched | EvictedUnfetched\n")
	
	 si := GetItems(add)
	 var keys []int
	 for k := range si {
	 keys = append(keys, k)
	 }
	 sort.Ints(keys)
	 for _, k := range keys {
	 color.Cyan("%-8d", k)
	 color.Yellow("%-10d %-14.2f %-16.4f", si[k].Number, float64(si[k].Evicted)/float64(ss.Evictions), float64(si[k].EvictedTime)/3600)
	 color.Green("%-16d %-14d %-14d %-10d\n", si[k].Outofmemory, si[k].Reclaimed, si[k].ExpiredUnfetched, si[k].EvictedUnfetched)
	
	 }
	}
	
	func Graphapi(add string) {
	 ss := GetStats(add)
	 //sst := GetSettings(add)
	 fmt.Printf("mc_time=%v\n", ss.Time)
	 fmt.Printf("curr_connections=%v\n", ss.CurrConnections)
	 fmt.Printf("bytes_read=%d\n", ss.BytesRead)
	 fmt.Printf("bytes_written=%d\n", ss.BytesWritten)
	 fmt.Printf("cmd_set=%d\n", ss.CmdSet)
	 fmt.Printf("cmd_get=%d\n", ss.CmdGet)
	 fmt.Printf("curr_items=%d\n", ss.CurrItems)
	 fmt.Printf("total_items=%d\n", ss.TotalItems)
	 fmt.Printf("evictions=%d\n", ss.Evictions)
	 fmt.Printf("memused_ratio=%0.2f\n", float64(ss.Bytes)/float64(ss.LimitMaxbytes))
	 fmt.Printf("get_hits_ratio=%0.2f\n", float64(ss.GetHits)/float64(ss.CmdGet))
	 fmt.Printf("delete_hits_ratio=%0.2f\n", float64(ss.DeleteHits)/float64(ss.DeleteHits+ss.DeleteMisses))
	 //fmt.Printf("evictions_ratio=%d\n", ss.Evictions)
	}
	
	func Help() {
	 color.Cyan("Version: gomcstat_v1.0\n")
	 color.Cyan("Usage:./xmcstat --i=\"192.168.1.1:11211\"\n")
	 color.Cyan("Usage:./xmcstat\n")
	 color.Cyan("Usage:./xmcstat -g=true\n")
	 color.Cyan("defautl ip=127.0.0.1 default port=11211\n")
	 color.Cyan("==document== \n")
	 fmt.Printf("delete_hits_ratio : delete_hits / delete_hits+delete_miss\n")
	 fmt.Printf("get_hits_ratio : get_hits / cmd_get\n")
	 fmt.Printf("memused_ratio : bytes / limit_maxbytes\n")
	 fmt.Printf("get/set : cmd_get / cmd_set\n")
	 fmt.Printf("PageOccupy : slabs total_pages * item_size_max / limit_maxbytes\n")
	 fmt.Printf("ChunkUsedRatio : slabs used_chunks / total_chunks\n")
	 fmt.Printf("SlabMemUsedRatio : slabs mem_requested/chunk_size * total_chunks\n")
	 fmt.Printf("MemOccupy : slabs chunk_size * total_chunks / limit_maxbytes\n")
	 fmt.Printf("GetRatio : slabs get_hits / cmd_get,exclude get_miss\n")
	 fmt.Printf("ChunkUsedRatio : all slabs used_chunks / total_chunks\n")
	 fmt.Printf("UseChunkRamRatio : all slabs chunk_size * used_chunks / limit_maxbytes\n")
	 fmt.Printf("TotalChunkRamRatio : all slabs chunk_size * total_chunks / limit_maxbytes\n")
	 //fmt.Printf("EvictedRatio : \n")
	
	}
	
	func main() {
	 help := flag.Bool("h", false, "show help")
	 //Json := flag.Bool("j", false, "show json")
	 Graph := flag.Bool("g", false, "show json")
	 McAddress := flag.String("i", "127.0.0.1:11211", "memcached ip")
	 showColor := flag.Bool("c", true, "show or not show color")
	 //McPort := flag.String("p", "11211", "memcachd port")
	 flag.Parse()
	 if *showColor {
	 color.Enable()
	 }
	
	 if *help {
	 Help()
	 return
	 }
	
	 if *Graph {
	 Graphapi(*McAddress)
	 return
	 }
	 //GetSizes(*McAddress)
	 TerPrintdetails(*McAddress)
	
	}
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