vscode ssh-remote 疑似内存走漏标题

vscode ssh-remote疑似内存走漏标题

体系信息与版本号

版本：1.88.1（通用）
日期：2024-04-10T17:42:52.765Z
Electron: 28.2.8
ElectronBuildId: 27744544
Chromium：120.0.6099.291
Node.js：18.18.2
V8：12.0.267.19-electron.0
利用体系：Darwin x64 23.4.0
标题形貌

vscode 的 ssh-remote 插件毗连之后，会发现内存不绝上涨，然后导致云主机瓦解。ubantu22.04与debian等体系均有这种情况。
疑似出现了内存走漏，颠末细致查抄发现vscode-server这个进程会不绝添加新的进程进去，标题复现步调：

• 使用 TypeScript 文件打开远程工作区
  
• 等候“正在初始化 JS/TS 语言功能”状态栏指示器克制出现。
  
• 运行此脚本以获取 ionotify 观察步调进程列表：脚本
  
• 请注意下令类似于 ~/.vscode-server/cli/servers/Stable-e170252f762678dec6ca2cc69aba1570769a5d39/server/node 的进程数量
  
• 重新加载窗口
  
• 重复步调 2 到 4，你会发现步调 4 中记下的数字比前次增长了。
  

脚本

1. #!/bin/bash
3. # Get the procs sorted by the number of inotify watches
4. # @author Carl-Erik Kopseng
5. # @latest https://github.com/fatso83/dotfiles/blob/master/utils/scripts/inotify-consumers
6. # Discussion leading up to answer: https://unix.stackexchange.com/questions/15509/whos-consuming-my-inotify-resources
7. #
8. # If you need ultimate speed, use https://github.com/fatso83/dotfiles/commit/inotify-consumers-v1-fastest
9. # # Speed enhancements by Simon Matter <[email protected]>
10. #
11. # A later PR introduced a significant slowdown to gain better output, but it is insignificant on most machines
12. # See this for details: https://github.com/fatso83/dotfiles/pull/10#issuecomment-1122374716
14. main(){
15.     # get terminal width
16.     declare -i COLS=$(tput cols 2>/dev/null || echo 80)
17.     declare -i WLEN=10
19.     printf "\n%${WLEN}s  %${WLEN}s\n" "INOTIFY" "INSTANCES"
20.     printf "%${WLEN}s  %${WLEN}s\n" "WATCHES" "PER   "
21.     printf "%${WLEN}s  %${WLEN}s  %s\n" " COUNT " "PROCESS "    "PID USER         COMMAND"
22.     printf -- "------------------------------------------------------------\n"
23.     generateData
24. }
26. usage(){
27.     cat << EOF
28. Usage: $0 [--help|--limits]
29.     -l, --limits    Will print the current related limits and how to change them
30.     -h, --help      Show this help
31. EOF
32. }
34. limits(){
35.     printf "\nCurrent limits\n-------------\n"
36.     sysctl fs.inotify.max_user_instances fs.inotify.max_user_watches
38.     cat <<- EOF
39. Changing settings permanently
40. -----------------------------
41. echo fs.inotify.max_user_watches=524288 | sudo tee -a /etc/sysctl.conf
42. sudo sysctl -p # re-read config
43. EOF
44. }
46. if [ "$1" = "--limits" -o "$1" = "-l" ]; then
47.     limits
48.     exit 0
49. fi
51. if [ "$1" = "--help" -o "$1" = "-h" ]; then
52.     usage
53.     exit 0
54. fi
56. if [ -n "$1" ]; then
57.     printf "\nUnknown parameter '$1'\n" >&2
58.     usage
59.     exit 1
60. fi
62. generateData(){
63.     local -i PROC
64.     local -i PID
65.     local -i CNT
66.     local -i INSTANCES
67.     local -i TOT
68.     local -i TOTINSTANCES
69.     # read process list into cache
70.     local PSLIST="$(ps ax -o pid,user=WIDE-COLUMN,command --columns $(( COLS - WLEN )))"
71.     local INOTIFY="$(find /proc/[0-9]*/fdinfo -type f 2>/dev/null | xargs grep ^inotify 2>/dev/null)"
72.     local INOTIFYCNT="$(echo "$INOTIFY" | cut -d "/" -s --output-delimiter=" "  -f 3 |uniq -c | sed -e 's/:.*//')"
73.     # unique instances per process is denoted by number of inotify FDs
74.     local INOTIFYINSTANCES="$(echo "$INOTIFY" | cut -d "/" -s --output-delimiter=" "   -f 3,5 | sed -e 's/:.*//'| uniq |awk '{print $1}' |uniq -c)"
75.     local INOTIFYUSERINSTANCES="$(echo "$INOTIFY" | cut -d "/" -s --output-delimiter=" "   -f 3,5 | sed -e 's/:.*//' | uniq |
76.                  while read PID FD; do echo $PID $FD $(grep -e "^\ *${PID}\ " <<< "$PSLIST"|awk '{print $2}'); done | cut -d" "  -f 3 | sort | uniq -c |sort -nr)"
77.     set -e
79.     cat <<< "$INOTIFYCNT" |
80.         {
81.             while read -rs CNT PROC; do   # count watches of processes found
82.                 echo "${PROC},${CNT},$(echo "$INOTIFYINSTANCES" | grep " ${PROC}$" |awk '{print $1}')"
83.             done
84.         } |
85.         grep -v ",0," |                  # remove entires without watches
86.         sort -n -t "," -k 2,3 -r |         # sort to begin with highest numbers
87.         {                                # group commands so that $TOT is visible in the printf
88.             IFS=","
89.             while read -rs PID CNT INSTANCES; do   # show watches and corresponding process info
90.                 printf "%$(( WLEN - 2 ))d  %$(( WLEN - 2 ))d     %s\n" "$CNT" "$INSTANCES" "$(grep -e "^\ *${PID}\ " <<< "$PSLIST")"
91.                 TOT=$(( TOT + CNT ))
92.                 TOTINSTANCES=$(( TOTINSTANCES + INSTANCES))
93.             done
94.             # These stats should be per-user as well, since inotify limits are per-user..
95.             printf "\n%$(( WLEN - 2 ))d  %s\n" "$TOT" "WATCHES TOTAL COUNT"
96. # the total across different users is somewhat meaningless, not printing for now.
97. #            printf "\n%$(( WLEN - 2 ))d  %s\n" "$TOTINSTANCES" "TOTAL INSTANCES COUNT"
98.         }
99.     echo ""
100.     echo "INotify instances per user (e.g. limits specified by fs.inotify.max_user_instances): "
101.     echo ""
102.     (
103.       echo "INSTANCES    USER"
104.       echo "-----------  ------------------"
105.       echo "$INOTIFYUSERINSTANCES"
106.     ) | column -t
107.     echo ""
109. }
111. main

复制代码

原标题网址
简朴来形貌这个标题，就是每次使用ssh-remote毗连之后，会出现一个标题：
   ~/.vscode-server/cli/servers/Stable-…这个进程的数量增长了
  当你关闭毗连后，这个进程不会消散，但是下一次打开毗连后，会产生新的进程，如许的效果就是导致进程数量不绝增长导致占用的内存越来越多，末了导致体系瓦解重启。
修复方式

将 vscode 更新到预发布版本，开发者已经在最新的预发布版本中办理了这个标题。