diff options
Diffstat (limited to 'doc/talks/2021-04-28_spirals-team/garage.tex')
| -rw-r--r-- | doc/talks/2021-04-28_spirals-team/garage.tex | 147 |
1 files changed, 147 insertions, 0 deletions
diff --git a/doc/talks/2021-04-28_spirals-team/garage.tex b/doc/talks/2021-04-28_spirals-team/garage.tex new file mode 100644 index 00000000..9f953602 --- /dev/null +++ b/doc/talks/2021-04-28_spirals-team/garage.tex @@ -0,0 +1,147 @@ +\section{Introducing Garage} + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +\begin{frame}{Brought to you by the Deuxfleurs association} + +\begin{block}{\textbf{deuxfleurs.fr} -- a libre hosting association with a vision} +``Shifting the current structure of the Internet from a world of a few very large service providers, to a world where services are hosted by a variety of smaller organisations.'' +\end{block} + + +\begin{block}{Our goals} +\begin{itemize} + \item To propose performant \& reliable libre services for the masses + \item To host and administer our infrastructure ourselves + \item To allow members to contribute storage/compute nodes + \item Resilience: for availability \& the sysadmins' sleep + \item Conceptual simplicity to ease onboarding \& demistify hosting +\end{itemize} +\end{block} + + +\end{frame} + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +\begin{frame}{The lacking state of the practice} + +\begin{block}{Object storage fitted our needs} +\begin{itemize} + \item Distributed by design + \item Objects are replicated + \item Conceptually simple +\end{itemize} +\end{block} +\vfill + +\begin{block}{Existing object stores did not} + \begin{itemize} + \item Too specific / complex + \item Resource hungry + \item Hidden constraints + \end{itemize} +\end{block} +\vfill + +We developed Garage, an object store with minimal functionality. + +It works, and serves our static sites and media. + +\end{frame} + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +\begin{frame}{Introducing Garage} + +\centering +\url{garagehq.deuxfleurs.fr} + +\url{git.deuxfleurs.fr/Deuxfleurs/garage} + +\includegraphics[width=.4\columnwidth]{figures/garage_distributed.png} +\vfill + +\raggedright +\begin{itemize} + \item Distributed data store + \item Based on DynamoDB object store (P2P!) + \item Modular data types/protocols with CRDTs: + \begin{itemize} + \item Done: objects (media, static sites, backups...) via S3 API + \item To do: e-mails via IMAP protocol, and more + \end{itemize} +\end{itemize} + +\end{frame} + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +\begin{frame}[t]{The \textbf{RING}} + +\centering +\fullcite{decandia_dynamo:_2007} +\vspace{3ex} + +\only<1>{\includegraphics[width=.5\columnwidth]{figures/c1.pdf}}% +\only<2>{\includegraphics[width=.5\columnwidth]{figures/c2.pdf}}% +\only<3>{\includegraphics[width=.5\columnwidth]{figures/c3.pdf}}% +\only<4>{\includegraphics[width=.5\columnwidth]{figures/c4.pdf}}% +\vspace{5ex} + +%\raggedright +\only<1>{Each node is assigned a unique ID on the circular address space.}% +\only<2-3>{When a new object is added to the store...}% +\only<3>{\\ It is assigned a unique ID (its \emph{key}) on the address space.}% +\only<4>{The $R$ nodes after the object are in charge of replicating it.}% + +\end{frame} + + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +\begin{frame}{Distributed metadata} + +\centering +\includegraphics[width=.8\columnwidth]{figures/garage_tables.pdf} +\vfill + +The objects, versions and blocks are all stored in the ring. + +\end{frame} + + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +\begin{frame}{Written in Rust} + +\begin{columns} +\column{.65\columnwidth} +Entirely written in Rust! +\column{.35\columnwidth} +\centering +\includegraphics[width=.85\columnwidth]{figures/rustacean-flat-happy.png} +\end{columns} +\vfill + +\begin{columns} +\column[t]{.6\columnwidth} + \textbf{Pros:} + \begin{itemize} + \item Compiled and fast + \item Features prevent usual mistakes: + + strongly typed, immutable by default, ownership instead of GC... + + \item Best of several paradigms: + + imperative, OO, functional + + \item Good libraries for network programmings: + + serialization, http, async/await... + \end{itemize} +\column[t]{.4\columnwidth} + \textbf{Cons}: + \begin{itemize} + \item Steep learning curve + \item Long compilation times + \item Compiler rage + \end{itemize} +\end{columns} + +\end{frame}
\ No newline at end of file |