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| -rw-r--r-- | paper.tex | 7 |
1 files changed, 4 insertions, 3 deletions
@@ -126,8 +126,9 @@ Decades later, scientists are still held accountable for their results and there \section{Longevity of existing tools} \label{sec:longevityofexisting} \new{Reproducibility is defined as ``obtaining consistent results using the same input data; computational steps, methods, and code; and conditions of analysis'' \cite{fineberg19}. -Longevity is defined as the length of time that a project remains \emph{usable}. -Usability is defined by context: for machines (machine-actionable, or executable files) \emph{and/or} humans (readability of the source). +We define \emph{longevity} as the length of time that the source of a project remains: +(1) readable for humans, \emph{and} +(2) \emph{machine-actionable} \emph{and/or} executable for the available machines and platforms during the very time span. Many usage contexts do not involve execution: for example, checking the configuration parameter of a single step of the analysis to re-\emph{use} in another project, or checking the version of used software, or the source of the input data. Extracting these from the outputs of execution is not always possible.} @@ -162,7 +163,7 @@ Hence, if the image is built in different months, its output image will contain In the year 2024, when long-term support for this version of Ubuntu expires, the image will be unavailable at the expected URL. Generally, Pre-built binary files (like Docker images) are large and expensive to maintain and archive. %% This URL: https://www.docker.com/blog/docker-hub-image-retention-policy-delayed-and-subscription-updates} -\new{Because of this DockerHub (where many reproducible workflows are archived) announced that inactive images (older than 6 months) will be deleted in free accounts from mid 2021.} +\new{Because of this, DockerHub (where many reproducible workflows are archived) announced that inactive images (older than 6 months) will be deleted in free accounts from mid 2021.} Furthermore, Docker requires root permissions, and only supports recent (``long-term-support'') versions of the host kernel, so older Docker images may not be executable \new{(their longevity is determined by the host kernel, typically a decade)}. Once the host OS is ready, PMs are used to install the software or environment. |