digital-garden-anabasis/pages/projects.upend.md
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2021-01-01 16:31:15 +01:00

5.6 KiB

UpEnd

Essential

  • alternativni pristup k filesystemu
  • file storage jakozto database; database jakozto file storage
  • fs ⇋ db ⟹ allmighty library
  • ahierarchickej // polyhierarchicky pristup...

Cut word lines Cut music lines Smash the control images Smash the control machine Burn the books Kill the priests Kill! Kill! Kill!

  • William S. Burroughs - The Soft Machine (1961)

Summary

#czech

v podstate moje idea je :

Base structure

  • databaze kde mas dva druhy objektu: data, a meta
    • (jedinej rozdil je, ze data actually odkazujou hashem na nejakej file, a meta neodkazujou nikam, jenom slouzej jako "anchor")
  • a ke kazdymu objektu muzes mit arbitrarni keys a values
    • kazdy takovy key/value tvori jeden E/A/V triplet (see Entity Attribute Value model (Wikipedia)):
      • Entity = objekt (neconeco.mp3, resp. jeho hash)
      • Attribute = klic (year)
      • Value = hodnota klice (2020)
    • struktura filesystemu samotna je taky E/A/V triplet: FILE_shaiusdhuijhngsoyuhsdf BELONGS_TO_DIRECTORY shaoidsuhjaoijoiasjdioj
    • (kazdej E/A/V je taky objekt na kterej se da odkazovat, kdyby sis chtel anotovat anotace)

Schemas

  • objekty maj kategorie, ktery znamenaj ze se muzes spolehnout ze objekt co je otagovanej "radio" ma: cas pridani, slozku, heaviness, etc.; co je otagovanej "public" ma: "projekt", "filetype", "rok", etc.
    • to je taky E/A/V triplet: Entita je ten objekt, Attribut je neco jako IS_A a Value je odkaz na kategorii (ktera je taky objekt slozeny z E/A/V tripletu - znacici co musi objekt splnovat)

Input

Output

  • output je bud ten, ze je ven exposly jakysi APIcko, ktery ti dava jenom pristup do jedny z moznejch hierarchii, a s tim pracuje treba radio, nebo photo uploader, nebo OCRko
    • nebo ten, ze to proste pouzivas misto file browseru, ale kdykoli mas moznost se vratit zpatky na baseline concepts.filesystem kdyz najdes, co hledas

Geekmiscellanea

extremne zmateny notes z prubehu konceptualizace (pravdepodobne useless pro kohokoli jinyho)

(clarification - neni to teda jenom key/value, zjistil jsem ze se tomu rika entity/attribute/value, kdy ten key/value je jenom ta posledni dvojice, a "entity" je nejakej abstraktni anchor ke kterymu se pojej ruzny key/values; moje pointa je, ze entity nemusi bejt enom IDcko na ktery vazes, ale i primo data, ktery muzou existovat tim padem na vic mistech / jako vic filu zaroven (nebo taky zadny), a i ty samotny vztahy mezi entitama, cimz ti vznika moznost i nejak znackovat co vlastne o tech datech rikas)

Goals

  • democratic user interface model a la Syncthing
  • Content-Addressability
  • K/V metadata store
  • schemas / constraints on metadata
    • (auto-admin?)
  • Links between objects
    • 1-way = Tags
    • 2-way = Relations
    • 3-way = ???
  • 1st order tags
  • 1st order links (?)
  • kompozice souboru
    • skrz schemata! (sub-objekty pojici se k jedne ci vice entitam)
  • Modes
    • R/O only
    • Hybrid
    • Full
  • FS revisions / metadata only backups
  • staging area, queues...

Design

Schemas

Databases that are “schema-less” give you great flexibility and power when putting data in, and are extremely unhelpful when getting it out. A key-value store is a more technical version of “free text”, with the same drawbacks — it is pretty unhelpful when you want to extract info or do anything with the data, since you cannot guarantee that any specific keys will be there.

Luke Plant - We need less powerful languages

Resources // Inspiration

Whole systems

Design docs

https://www.nayuki.io/page/designing-better-file-organization-around-tags-not-hierarchies

Similar projects

Perkeep

Greglook

greglook/vault

greglook/blocks

greglook/merkledag-core

Criticisms, filesystems

Files, Formats and Byte Arrays

Programátorova kritika chybějící struktury operačních systémů

There is only one OS, and it's been obsolete for decades

Highly adjacent projects!

Datalog

v podstate identicky E/A/V model

Learn Datalog Today!

BeOS / HaikuOS

https://www.howtogeek.com/696193/what-was-beos-and-why-did-people-love-it/

Idea s concepts.filesystemem jakozto databazi s metadaty:

https://www.haiku-os.org/docs/userguide/en/workshop-filetypes+attributes.html

Information enters, is processed

https://blog.owulveryck.info/2020/11/13/ontology-graphs-and-turtles-part-i.html

!mapping_language.png

Random (and outdated) points
  • content-addressability
  • hidden structure within filetypes
  • breaking apart from a hirearchy
  • key/value store protocol // backend
  • VFS compat layer
  • config keys as files
  • FS as a rich API
  • syncthing model, sidecar files
  • S3 API ?

#incubation