File Space Management
Documentation
Also called
“Metadata Aggregation and Allocation”
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The purpose of this page is to list and briefly describe the
documentation available to those who will use the
file space management feature found in the
HDF5 Library.
This feature is sometimes discussed as
metadata aggregation and allocation.
“File space management”
describes the functionality as experienced by users while
“metadata aggregation and allocation” describes
the approach used in the source code to implement the feature.
The following are the sections on this page:
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File Space Management User’s Guide
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(This document is not yet available.)
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HDF5 Library APIs
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The APIs listed below from the HDF5 Reference Manual
provide a means for users to directly manage the file space
management feature.
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H5Fget_free_sections
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Retrieves free-space section information for a file.
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H5Fget_freespace
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Returns the amount of free space in a file.
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H5Fget_info2
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Returns global information for a file.
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H5Pset_file_space
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Sets the file space management strategy and/or
the free-space section threshold for an HDF5 file.
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H5Pget_file_space
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Retrieves the file space management strategy and/or
the free-space section threshold for an HDF5 file.
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Tool
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The tool listed below has been modified to preserve or modify
file freepace information appropriately when processing files
employing this feature.
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h5repack
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Repacks HDF5 files with various options, including the ability
to change the applied filters.
This version of h5repack understands the
file free space feature and handles the file and metadata
appropriately.
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The HDF Group
