tolbkni

# /etc/systemd/user/jupyter-notebook.service
[Unit]
Description=Jupyter Notebook Service
After=network.target

[Service]
ExecStart=/usr/bin/jupyter-notebook --config=%h/.jupyter/jupyter_notebook_config.py

[Install]
WantedBy=default.target

tolbkni

我们知道，缓存有其过期时间，具体到 memcached 中，我们来分析它是怎么处理过期时间的。

#define REALTIME_MAXDELTA 60*60*24*30

/*
* given time value that's either unix time or delta from current unix time, return
* unix time. Use the fact that delta can't exceed one month (and real time value can't
* be that low).

tolbkni

size  extents ms      ps
 20G	   5119 10     5109	chunk-size= 64k,10 chunk-size=4m, 2	 8
100G	  25599 50	  25549	chunk-size= 64k,50 chunk-size=4m, 2	48
500G	 127999 64   127935 chunk-size=256k,64 chunk-size=4m, 4	60
  1T	 262143 64	 262079	chunk-size=512k,64 chunk-size=4m, 8	56
  2T	 524287 64	 524223	chunk-size=  1m,64 chunk-size=4m,16	48
  4T	1048574 64	1048510 chunk-size=  2m,64 chunk-size=4m,32 32

metaext = 160 > (vgext / 1000) ? 160 : vgext / 1000
poolext = vgext - metaext

tolbkni

#!/usr/bin/env python
# -*- coding: utf-8 -*-
import os
from flask import Flask
from flask import request, url_for, redirect
from werkzeug.utils import secure_filename


UPLOAD_DIR = "/tmp/uploads"

tolbkni

#!/bin/bash

PREFIX="/usr/local"
BIN_DIR="${PREFIX}/bin"
RBENV_DIR="${PREFIX}/rbenv"
RBENV_PLUGINS_DIR="${RBENV_DIR}/plugins"
RBENV_GROUP="rbenv"

# Install rbenv
pushd ${PREFIX}