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DietPi v100 (Jessie) vs Raspbian Lite (Jessie). 11/11/15
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System used = RPi v2 / Sandisk Extreme 16gb / Official RPi PSU (2amp)
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Find out More: DietPi.com
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General StatsDescriptionDietPiRaspbian LiteTest Notes
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Total Image SizeOnce uncompressed, total size of image. Lower is better.589 MB1424 MB
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Minimum SD Card SizeThe lowest possible SD card size required to run.4 GB2 GBDietPi requires 4GB, to prevent out of disk space errors during optional dietpi-software installations, that the user may require. The actual raw requirment is only 1GB.
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Memory Usage (RAM)Total memory usage after boot. Lower is better23 MB27 MB
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Total ProcessesHow many programs and services are running after boot. Lower is better.1118Both in Htop. Excluding userland and kernel threads.
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Total Installed PackagesLower is better.265406echo -e "$(( $(dpkg -l | wc -l) -5 ))"
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Bootup Time (Seconds)How long it takes the system to display the login prompt.14.2 Seconds15.5 SecondsRPi v2 | Sandisk Extreme 16gb
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Root Filesystem UsageLower is better (includes swapfile of 100mb)533 MB931 MBdf -h | grep root | awk '{print $3}'
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Core System OptimizationsDescriptionDietPiRaspbian Lite
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RamlogStoring logfiles to RAM, instead of DISK, will improve SD card lifespan and system performanceRAM - DietPi-RamlogDisk
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Swapfile swapinessA lower value ensures the swapfile isn't used, unless your system is out of memory.1-
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NTP Usage (System time)Does ntpd close when its updated the time to save resources?Yes + Other ChoicesNo
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Auto HDD spindownHDparm will power off drives when idle to reduce power usage.10 Minutes-
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System Response TimesLatency before the ondemand CPU govenor can check to increase CPU clocks. Lower provides better system response times.25 Milliseconds100 Millisecondscat /sys/devices/system/cpu/cpufreq/ondemand/sampling_rate
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Temp mounted to RamAre temp files stored on disk or RAM? Ram can improve performance.RAMDisk
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SchedulerNoop or Deadline. Noop should increase performance for systems with SSD (including SD) drives.NoopDeadline/boot/cmdline.txt
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Programs & FeaturesDescriptionDietPiRaspbian Lite
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Lightweight SSH ServerDropbear is lightweight | OpenSSH is bulky, yet feature rich.
Dropbear + Other Choices
OpenSSH
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Automatic Filesystem Expansion
Allows your system to use the full size of your SD cardYes
manual (raspi-config)
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Dedicated USB DriveQuickly and easily use your USB drive on your system. DietPi will also configure your software installations to use it automatically.Yes-
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DietPi-SoftwareOptional, automated installation, configuration and optimizations of popular software.DietPi-Software-
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DietPi-ConfigFeature rich configuration system for your device.DietPi-Configraspi-config
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Network Configuration ToolAllows you to setup your Wifi/Ethernet connection with ease.DietPi-Config-
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Tweak CPU Settingseg: adjust CPU governors (eg: ondemand/powersave), upscale threshold, temp limits etc.DietPi-Config-
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Autostart OptionsChoose which software runs after boot.DietPi-AutoStart-
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Optional System Stats DisplayTurn your monitor or 320x240 LCD into a lightweight system stats display.DietPi-Cloudshell-
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DietPi-BackupAllows you to backup and restore your entire system using a simple menu. Rsync based.DietPi-Backup-
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DietPi-CleanerRemoves unwanted "Junk" from your system.DietPi-Cleaner-
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DietPi-SyncDuplicates one directory to another (mirror sync). Rsync based.DietPi-Sync-
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DietPi-CronAllows you to change cron start times from a simple menu interfaceDietPi-Cron-
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DietPi-Process ToolTweak and customize program nice, affinity and scheduler priorities (EG: FIFO) for most installed software.DietPi-Process Tool-
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