geolba/tethys.backend
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Kaimbacher 2023-07-28 12:14:47 +02:00
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DataArchitectureDiagram.md

@ -93,7 +93,7 @@ The **Metadata format guidelines** <a href="https://tethys.at/docs/HandbuchTethy
# 3. Storage Infrastructure # 3. Storage Infrastructure
This is the physical or virtual infrastructure used to store the data and metadata in the repository. By using **PostgreSQL**, TETHYS is able to manage large volumes of metadata and provide fast and secure access to this information. The data files are stored on an **Ubuntu 22.04 file server** with **ext4**partition. This is the physical or virtual infrastructure used to store the data and metadata in the repository. By using **PostgreSQL**, TETHYS is able to manage large volumes of metadata and provide fast and secure access to this information. The data files are stored on an **Ubuntu file server** with **ext4**partition.
# 4. Data processing and curation workflows # 4. Data processing and curation workflows

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Preservation-Plan-en.md

@ -16,9 +16,9 @@ The actual data objects in Tethys are stored as data series (a series of data po
for binary files also hashes and file size, absolute location in bucket store for binary files also hashes and file size, absolute location in bucket store
for numerical data also format information like significant digits for numerical data also format information like significant digits
Tethys’s database schema is constantly adapted to new metadata standards. During this process, already existing metadata of datasets are adapted and extended according to new standards. Great care is taken to not introduce incompatible changes to object’s metadata. Tethys's database schema is constantly adapted to new metadata standards. During this process, already existing metadata of datasets are adapted and extended according to new standards. Great care is taken to not introduce incompatible changes to object's metadata.
Not all of Tethys’s data is provided in tabular form. Some datasets are only available in compact, community specific binary formats like NetCDF, Geopackage or static images. Long term preservation of those formats is a complex problem, so Tethys has developed some format rules before accepting data in binary formats. At the moment, any of the following formats are accepted for archival. If possible, uncompressed formats are preferred: Not all of Tethys's data is provided in tabular form. Some datasets are only available in compact, community specific binary formats like NetCDF, Geopackage or static images. Long term preservation of those formats is a complex problem, so Tethys has developed some format rules before accepting data in binary formats. At the moment, any of the following formats are accepted for archival. If possible, uncompressed formats are preferred:
images: JPEG, PNG, TIFF images: JPEG, PNG, TIFF
documents: PDF-A (preferred), ODF, OOXML documents: PDF-A (preferred), ODF, OOXML

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