diff --git a/.gitignore b/.gitignore
index 175330e..d2603d2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
-
 go-ayo/
+*.log
+*.exe
diff --git a/client/client.go b/client/client.go
index e70efa0..84ed3ed 100644
--- a/client/client.go
+++ b/client/client.go
@@ -30,15 +30,41 @@ type HoustonClient interface {
 	Shutdown()
 }
 
+type bufferStack struct {
+	pool   [5][]byte
+	cursor int32
+}
+
+func (bs *bufferStack) pop() []byte {
+	pos := atomic.LoadInt32(&bs.cursor)
+	for !atomic.CompareAndSwapInt32(&bs.cursor, pos, pos+1) {
+		pos = atomic.LoadInt32(&bs.cursor)
+	}
+
+	defer func() {
+		bs.pool[pos] = nil
+	}()
+
+	curbuf := bs.pool[pos]
+	if curbuf == nil {
+		curbuf = make([]byte, 1024)
+	}
+	return curbuf
+}
+
+func (bs *bufferStack) push(x []byte) {
+	pos := atomic.AddInt32(&bs.cursor, -1)
+	bs.pool[pos] = x
+}
+
 type procmeta struct {
-	cmd        *exec.Cmd
-	name       string
-	version    string
-	state      protos.ProcessState
-	stdin      io.WriteCloser
-	stdPrefix  string
-	stdoutSize int32
-	stderrSize int32
+	cmd           *exec.Cmd
+	name          string
+	version       string
+	state         protos.ProcessState
+	stdin         io.WriteCloser
+	logUploadChan chan *shared.UploadRequest
+	buffers       bufferStack
 }
 
 type houstonClient struct {
@@ -86,9 +112,9 @@ func gatherDeployedPrograms(name string) []*protos.VersionAndArgs {
 		}
 	}
 	sort.Slice(rawvers, func(i, j int) bool {
-		leftParsed := parseVersionString(rawvers[i].Version)
-		rightParsed := parseVersionString(rawvers[j].Version)
-		return compareVersionString(leftParsed, rightParsed) < 0
+		leftParsed := shared.ParseVersionString(rawvers[i].Version)
+		rightParsed := shared.ParseVersionString(rawvers[j].Version)
+		return shared.CompareVersionString(leftParsed, rightParsed) < 0
 	})
 	return rawvers
 }
@@ -98,13 +124,11 @@ func (hc *houstonClient) makeOperationQueryRequest() *protos.OperationQueryReque
 	procs := make([]*protos.ProcessDescription, 0, len(hc.childProcs))
 	for _, child := range hc.childProcs {
 		procs = append(procs, &protos.ProcessDescription{
-			Name:       child.name,
-			Args:       child.cmd.Args,
-			Version:    child.version,
-			State:      child.state,
-			Pid:        int32(child.cmd.Process.Pid),
-			StdoutSize: atomic.LoadInt32(&child.stdoutSize),
-			StderrSize: atomic.LoadInt32(&child.stderrSize),
+			Name:    child.name,
+			Args:    child.cmd.Args,
+			Version: child.version,
+			State:   child.state,
+			Pid:     int32(child.cmd.Process.Pid),
 		})
 	}
 
diff --git a/client/operation.go b/client/operation.go
index 2cae0cf..9343c14 100644
--- a/client/operation.go
+++ b/client/operation.go
@@ -2,22 +2,18 @@ package client
 
 import (
 	"archive/zip"
-	"bytes"
 	"context"
 	"encoding/json"
 	"errors"
 	"fmt"
 	"io"
-	"io/fs"
 	"net/http"
 	"os"
 	"os/exec"
 	"path"
 	"path/filepath"
 	"regexp"
-	"strconv"
-	"strings"
-	"sync/atomic"
+	"runtime/debug"
 	"syscall"
 	"time"
 
@@ -27,12 +23,6 @@ import (
 	"repositories.action2quare.com/ayo/houston/shared/protos"
 )
 
-type parsedVersionString = []string
-
-func parseVersionString(ver string) parsedVersionString {
-	return strings.Split(ver, ".")
-}
-
 func lastExecutionArgs(verpath string) []string {
 	argf, err := os.Open(path.Join(verpath, "@args"))
 	if os.IsNotExist(err) {
@@ -49,158 +39,259 @@ func lastExecutionArgs(verpath string) []string {
 	return out
 }
 
-func compareVersionString(lhs, rhs parsedVersionString) int {
-	minlen := len(lhs)
-	if minlen > len(rhs) {
-		minlen = len(rhs)
+func (meta *procmeta) zipLogFiles(req *shared.UploadRequest, start, except string) (string, []string, error) {
+	root := path.Join(req.Name, req.Version)
+	matches, err := filepath.Glob(path.Join(root, req.Filter))
+	if err != nil {
+		return "", nil, err
 	}
 
-	for i := 0; i < minlen; i++ {
-		if len(lhs[i]) < len(rhs[i]) {
-			return -1
+	if len(matches) == 0 {
+		return "", nil, nil
+	}
+
+	root = path.Join(root, path.Dir(req.Filter))
+	// Create a file to write the archive to.
+	f, err := os.CreateTemp("", "")
+	if err != nil {
+		return "", nil, err
+	}
+	defer f.Close()
+
+	w := zip.NewWriter(f)
+	defer w.Close()
+
+	oldestFile := ""
+	for i, file := range matches {
+		file = filepath.ToSlash(file)
+		matches[i] = file
+		if file == root {
+			continue
+		}
+		if file >= except {
+			break
+		}
+		if len(start) > 0 && file < start {
+			continue
+		}
+		if len(oldestFile) == 0 {
+			oldestFile = path.Base(file)
 		}
 
-		if len(lhs[i]) > len(rhs[i]) {
-			return 1
+		relative := file[len(root)+1:]
+		fw, err := w.Create(relative)
+		if err != nil {
+			logger.Error(err)
+			return "", nil, err
 		}
 
-		if lhs[i] < rhs[i] {
-			return -1
+		src, err := os.Open(file)
+		if err != nil {
+			logger.Error(err)
+			return "", nil, err
 		}
+		defer src.Close()
 
-		if lhs[i] > rhs[i] {
-			return 1
+		if _, err = io.Copy(fw, src); err != nil {
+			logger.Error(err)
+			return "", nil, err
 		}
 	}
 
-	return len(lhs) - len(rhs)
+	return f.Name(), matches, nil
+	// defer func() {
+	// 	tempname := f.Name()
+	// 	f.Close()
+
+	// 	resp, _ := http.Post(req.Url, "application/zip", f)
+	// 	if resp != nil && resp.Body != nil {
+	// 		resp.Body.Close()
+	// 	}
+	// 	os.Remove(tempname)
+	// 	if del, err := strconv.ParseBool(req.DeleteAfterUploaded); del && err == nil {
+	// 		for _, file := range matches {
+	// 			if strings.HasSuffix(file, except) {
+	// 				continue
+	// 			}
+	// 			os.Remove(file)
+	// 		}
+	// 	}
+	// }()
+
+	// Create a new zip archive.
+
+	//}(f)
+
+	//return nil
 }
 
-func findLastestVersion(root string) (string, error) {
-	// 최신 버전을 찾음
-	entries, err := os.ReadDir(root)
-	if err != nil {
-		return "", err
-	}
-	if len(entries) == 0 {
-		return "", nil
-	}
-	var dironly []fs.DirEntry
-	for _, ent := range entries {
-		if ent.IsDir() {
-			dironly = append(dironly, ent)
+func prepareProcessLaunch(req *shared.StartProcessRequest) *procmeta {
+	re := regexp.MustCompile(`[^\s"']+|"([^"]*)"|'([^']*)`)
+	args := re.FindAllString(req.Args, -1)
+
+	verpath := path.Join("./", req.Name, req.Version)
+	fi, err := os.Stat(verpath)
+
+	if err == nil && fi.IsDir() {
+		cmd := exec.Command("./"+args[0], args[1:]...)
+		cmd.Dir = verpath
+		stdin, _ := cmd.StdinPipe()
+
+		return &procmeta{
+			cmd:           cmd,
+			name:          req.Name,
+			version:       req.Version,
+			state:         protos.ProcessState_Stopped,
+			stdin:         stdin,
+			logUploadChan: make(chan *shared.UploadRequest),
+			buffers:       bufferStack{cursor: 0},
 		}
 	}
-	latest := parseVersionString(dironly[0].Name())
-	for i := 1; i < len(dironly); i++ {
-		next := parseVersionString(dironly[i].Name())
-		if compareVersionString(latest, next) < 0 {
-			latest = next
-		}
-	}
-	return strings.Join(latest, "."), nil
+	return nil
 }
 
-func (meta *procmeta) launch(args []string, exitChan chan<- *exec.Cmd) error {
-	exepath := args[0]
-	verpath := path.Dir(exepath)
-	args[0] = path.Base(exepath)
-
-	cmd := exec.Command("./"+args[0], args[1:]...)
-	cmd.Dir = verpath
-
-	stdin, err := cmd.StdinPipe()
+func (hc *houstonClient) launch(meta *procmeta) error {
+	stdout, err := meta.cmd.StdoutPipe()
 	if err != nil {
 		return err
 	}
-	stdout, err := cmd.StdoutPipe()
-	if err != nil {
-		return err
-	}
-	stderr, err := cmd.StderrPipe()
+	stderr, err := meta.cmd.StderrPipe()
 	if err != nil {
 		return err
 	}
 
-	err = os.MkdirAll(path.Join(cmd.Dir, "logs"), os.ModePerm)
+	err = os.MkdirAll(path.Join(meta.cmd.Dir, "logs"), os.ModePerm)
 	if err != nil {
 		return err
 	}
 
-	now := time.Now().UTC()
-	ext := path.Ext(cmd.Args[0])
-	nameonly := path.Base(cmd.Args[0])
-	if len(ext) > 0 {
-		nameonly = nameonly[:len(nameonly)-len(ext)]
-	}
-	ts := now.Format("2006-01-02T15-04-05")
-	stdPrefix := path.Join(cmd.Dir, "logs", fmt.Sprintf("%s_%s", nameonly, ts))
-	errfile, err := os.Create(stdPrefix + ".stderr.log")
-	if err != nil {
-		return err
-	}
-	outfile, err := os.Create(stdPrefix + ".stdout.log")
-	if err != nil {
-		return err
-	}
+	relayChan := make(chan struct {
+		size int
+		buf  []byte
+	})
 
 	go func() {
+		defer func() {
+			r := recover()
+			if r != nil {
+				logger.Println(r)
+				debug.PrintStack()
+			}
+			close(relayChan)
+			hc.exitChan <- meta.cmd
+		}()
+
+		now := time.Now().UTC()
+		ext := path.Ext(meta.cmd.Args[0])
+		nameonly := path.Base(meta.cmd.Args[0])
+		if len(ext) > 0 {
+			nameonly = nameonly[:len(nameonly)-len(ext)]
+		}
+		ts := now.Format("2006-01-02T15-04-05")
+		stdPrefix := path.Join(meta.cmd.Dir, "logs", fmt.Sprintf("%s_%s", nameonly, ts))
+		logfile, _ := os.Create(stdPrefix + "_0.log")
+		defer logfile.Close()
+
+		logfileIdx := 0
+		for {
+			thisFileSize := 0
+			switchToNextFile := func() string {
+				logfileIdx++
+				nextFile := fmt.Sprintf("%s_%d.log", stdPrefix, logfileIdx)
+				if nextLogfile, err := os.Create(nextFile); err == nil {
+					logfile.Close()
+					logfile = nextLogfile
+				}
+				thisFileSize = 0
+				return nextFile
+			}
+
+			uploadStartFile := ""
+			select {
+			case req := <-meta.logUploadChan:
+				nextFile := switchToNextFile()
+				startFile := uploadStartFile
+				uploadStartFile = nextFile
+				go func(startFile, nextFile string) {
+					zipFile, srcFiles, err := meta.zipLogFiles(req, startFile, nextFile)
+					if err == nil && len(zipFile) > 0 && len(srcFiles) > 0 {
+						zf, _ := os.Open(zipFile)
+						if zf != nil {
+							req, err := http.NewRequest("POST", hc.httpAddr+"/upload", zf)
+							if err != nil {
+								logger.Error(err)
+							}
+							req.Header.Set("Houston-Service-Name", meta.name)
+							req.Header.Set("Houston-Service-Version", meta.version)
+							req.Header.Set("Houston-Service-Filename", path.Base(srcFiles[0])+".zip")
+							req.Header.Set("Content-Type", "application/zip")
+							resp, err := http.DefaultClient.Do(req)
+							if err == nil {
+								defer resp.Body.Close()
+								if resp.StatusCode == http.StatusOK {
+									for _, oldf := range srcFiles {
+										os.Remove(oldf)
+									}
+								}
+							}
+						}
+					}
+				}(startFile, nextFile)
+
+			case bt := <-relayChan:
+				if bt.buf == nil {
+					return
+				}
+				logfile.Write(bt.buf[:bt.size])
+				meta.buffers.push(bt.buf)
+				thisFileSize += bt.size
+				if thisFileSize > 1024*1024 {
+					switchToNextFile()
+				}
+			}
+		}
+	}()
+
+	stdReader := func(r io.Reader) {
 		defer func() {
 			recover()
 			stdout.Close()
-			errfile.Close()
 		}()
 
-		buff := make([]byte, 1024)
 		for {
-			size, err := stderr.Read(buff)
+			buff := meta.buffers.pop()
+			size, err := r.Read(buff)
 			if err != nil {
-				exitChan <- cmd
-				errfile.Close()
+				relayChan <- struct {
+					size int
+					buf  []byte
+				}{buf: nil}
 				break
 			}
-			errfile.Write(buff[:size])
-			atomic.AddInt32(&meta.stderrSize, int32(size))
-		}
-	}()
-
-	go func() {
-		defer func() {
-			recover()
-			stderr.Close()
-			outfile.Close()
-		}()
-
-		buff := make([]byte, 1024)
-		for {
-			size, err := stdout.Read(buff)
-			if err != nil {
-				exitChan <- cmd
-				break
+			if size > 0 {
+				relayChan <- struct {
+					size int
+					buf  []byte
+				}{size: size, buf: buff}
 			}
-			outfile.Write(buff[:size])
-			atomic.AddInt32(&meta.stdoutSize, int32(size))
 		}
-	}()
-
-	err = cmd.Start()
-	if err != nil {
-		return err
 	}
 
-	meta.cmd = cmd
-	meta.stdin = stdin
-	meta.stdPrefix = stdPrefix
-	meta.state = protos.ProcessState_Running
+	go stdReader(stderr)
+	go stdReader(stdout)
 
-	return nil
+	err = meta.cmd.Start()
+	if err == nil {
+		meta.state = protos.ProcessState_Running
+	}
+	return err
 }
 
 func (hc *houstonClient) startChildProcess(req *shared.StartProcessRequest) error {
 	logger.Println("startChildProcess :", *req)
 	if req.Version == "latest" {
 		// 최신 버전을 찾음
-		latest, err := findLastestVersion(path.Join("./", req.Name))
+		latest, err := shared.FindLastestVersion(path.Join("./", req.Name))
 		if err != nil {
 			return err
 		}
@@ -208,51 +299,29 @@ func (hc *houstonClient) startChildProcess(req *shared.StartProcessRequest) erro
 		req.Version = latest
 	}
 
-	meta := &procmeta{
-		name:    req.Name,
-		version: req.Version,
-		state:   protos.ProcessState_Error,
+	meta := prepareProcessLaunch(req)
+	if err := hc.launch(meta); err != nil {
+		return err
 	}
 
-	verpath := path.Join("./", req.Name, req.Version)
-	fi, err := os.Stat(verpath)
-	if err == nil && fi.IsDir() {
-		logger.Println("path found :", verpath)
-		// Define regular expression
-		re := regexp.MustCompile(`[^\s"']+|"([^"]*)"|'([^']*)`)
-
-		// Split input string into array of strings
-		result := re.FindAllString(req.Args, -1)
-		for i := range result {
-			result[i] = strings.Trim(result[i], "\"'")
-		}
-		result[0] = path.Join(verpath, result[0])
-		err := meta.launch(result, hc.exitChan)
-		if err != nil {
-			return err
-		}
-
-		// launch가 성공하면 args 저장. this and parent folder
-		if argfile, err := os.Create(path.Join(req.Name, "@args")); err == nil {
-			enc := json.NewEncoder(argfile)
-			enc.Encode(result)
-			argfile.Close()
-		}
-		if argfile, err := os.Create(path.Join(verpath, "@args")); err == nil {
-			enc := json.NewEncoder(argfile)
-			enc.Encode(result)
-			argfile.Close()
-		}
-
-		hc.childProcs = append(hc.childProcs, meta)
-
-		op := protos.NewOperationClient(hc.client)
-		op.Refresh(context.Background(), hc.makeOperationQueryRequest())
-
-		return nil
+	// launch가 성공하면 args 저장. this and parent folder
+	if argfile, err := os.Create(path.Join(req.Name, "@args")); err == nil {
+		enc := json.NewEncoder(argfile)
+		enc.Encode(meta.cmd.Args)
+		argfile.Close()
+	}
+	if argfile, err := os.Create(path.Join(req.Name, req.Version, "@args")); err == nil {
+		enc := json.NewEncoder(argfile)
+		enc.Encode(meta.cmd.Args)
+		argfile.Close()
 	}
 
-	return err
+	hc.childProcs = append(hc.childProcs, meta)
+
+	op := protos.NewOperationClient(hc.client)
+	op.Refresh(context.Background(), hc.makeOperationQueryRequest())
+
+	return nil
 }
 
 var errNoRunningProcess = errors.New("no running processed")
@@ -260,7 +329,7 @@ var errNoRunningProcess = errors.New("no running processed")
 func (hc *houstonClient) stopChildProcess(req *shared.StopProcessRequest) error {
 	if req.Version == "latest" {
 		// 최신 버전을 찾음
-		latest, err := findLastestVersion(path.Join("./", req.Name))
+		latest, err := shared.FindLastestVersion(path.Join("./", req.Name))
 		if err != nil {
 			return err
 		}
@@ -327,7 +396,7 @@ func (hc *houstonClient) stopChildProcess(req *shared.StopProcessRequest) error
 func (hc *houstonClient) restartChildProcess(req *shared.RestartProcessRequest) error {
 	if req.Version == "latest" {
 		// 최신 버전을 찾음
-		latest, err := findLastestVersion(path.Join("./", req.Name))
+		latest, err := shared.FindLastestVersion(path.Join("./", req.Name))
 		if err != nil {
 			return err
 		}
@@ -367,10 +436,7 @@ func (hc *houstonClient) restartChildProcess(req *shared.RestartProcessRequest)
 	op.Refresh(context.Background(), hc.makeOperationQueryRequest())
 
 	for _, proc := range restarts {
-		args := proc.cmd.Args
-		args[0] = path.Join(proc.cmd.Dir, args[0])
-
-		if err := proc.launch(args, hc.exitChan); err != nil {
+		if err := hc.launch(proc); err != nil {
 			return err
 		}
 	}
@@ -382,7 +448,7 @@ func (hc *houstonClient) restartChildProcess(req *shared.RestartProcessRequest)
 func (hc *houstonClient) uploadFiles(req *shared.UploadRequest) error {
 	if req.Version == "latest" {
 		// 최신 버전을 찾음
-		latest, err := findLastestVersion(path.Join("./", req.Name))
+		latest, err := shared.FindLastestVersion(path.Join("./", req.Name))
 		if err != nil {
 			return err
 		}
@@ -390,69 +456,14 @@ func (hc *houstonClient) uploadFiles(req *shared.UploadRequest) error {
 		req.Version = latest
 	}
 
-	root := path.Join(req.Name, req.Version)
-	matches, err := filepath.Glob(path.Join(root, req.Filter))
-	if err != nil {
-		return err
-	}
-
-	if len(matches) == 0 {
-		resp, err := http.Post(req.Url, "application/zip", bytes.NewBuffer([]byte{}))
-		if err != nil {
-			return err
+	for _, child := range hc.childProcs {
+		if child.version == req.Version && child.name == req.Name {
+			child.logUploadChan <- req
+			break
 		}
-		resp.Body.Close()
-		return nil
 	}
 
-	// Create a file to write the archive to.
-	f, err := os.CreateTemp("", "")
-	if err != nil {
-		return err
-	}
-	go func(f *os.File) {
-		defer func() {
-			tempname := f.Name()
-			f.Close()
-
-			resp, _ := http.Post(req.Url, "application/zip", f)
-			if resp != nil && resp.Body != nil {
-				resp.Body.Close()
-			}
-			os.Remove(tempname)
-			if del, err := strconv.ParseBool(req.DeleteAfterUploaded); del && err == nil {
-				for _, f := range matches {
-					os.Remove(f)
-				}
-			}
-		}()
-
-		// Create a new zip archive.
-		w := zip.NewWriter(f)
-		defer w.Close()
-
-		for _, file := range matches {
-			relative := file[len(root)+1:]
-			fw, err := w.Create(relative)
-			if err != nil {
-				logger.Error(err)
-				return
-			}
-
-			src, err := os.Open(file)
-			if err != nil {
-				logger.Error(err)
-				return
-			}
-			defer src.Close()
-
-			if _, err = io.Copy(fw, src); err != nil {
-				logger.Error(err)
-				return
-			}
-
-		}
-	}(f)
-
+	// TODO : 실행 중이 아닌 폴더에서도 대상을 찾는다
+	// deploys
 	return nil
 }
diff --git a/shared/operator.go b/shared/operator.go
index 8f5178c..661f7a4 100644
--- a/shared/operator.go
+++ b/shared/operator.go
@@ -1,5 +1,11 @@
 package shared
 
+import (
+	"io/fs"
+	"os"
+	"strings"
+)
+
 type Operation string
 
 const (
@@ -48,3 +54,61 @@ type UploadRequest struct {
 	Filter              string
 	DeleteAfterUploaded string // true, false
 }
+
+type ParsedVersionString = []string
+
+func ParseVersionString(ver string) ParsedVersionString {
+	return strings.Split(ver, ".")
+}
+
+func CompareVersionString(lhs, rhs ParsedVersionString) int {
+	minlen := len(lhs)
+	if minlen > len(rhs) {
+		minlen = len(rhs)
+	}
+
+	for i := 0; i < minlen; i++ {
+		if len(lhs[i]) < len(rhs[i]) {
+			return -1
+		}
+
+		if len(lhs[i]) > len(rhs[i]) {
+			return 1
+		}
+
+		if lhs[i] < rhs[i] {
+			return -1
+		}
+
+		if lhs[i] > rhs[i] {
+			return 1
+		}
+	}
+
+	return len(lhs) - len(rhs)
+}
+
+func FindLastestVersion(root string) (string, error) {
+	// 최신 버전을 찾음
+	entries, err := os.ReadDir(root)
+	if err != nil {
+		return "", err
+	}
+	if len(entries) == 0 {
+		return "", nil
+	}
+	var dironly []fs.DirEntry
+	for _, ent := range entries {
+		if ent.IsDir() {
+			dironly = append(dironly, ent)
+		}
+	}
+	latest := ParseVersionString(dironly[0].Name())
+	for i := 1; i < len(dironly); i++ {
+		next := ParseVersionString(dironly[i].Name())
+		if CompareVersionString(latest, next) < 0 {
+			latest = next
+		}
+	}
+	return strings.Join(latest, "."), nil
+}