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Newsletter #148
March 31, 2016
CONTENTS
- Release of HDF5-1.10.0
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Release of HDF5-1.10.0
We are very pleased to announce the release of HDF5-1.10.0.
Links to the HDF5 1.10.0 source code, documentation, and additional materials
can be found on the HDF5 web page at:
https://www.hdfgroup.org/HDF5/
The HDF5 1.10.0 release can be obtained directly from:
https://www.hdfgroup.org/HDF5/release/obtain5110.html
User documentation for 1.10.0 can be accessed from:
https://www.hdfgroup.org/HDF5/doc/
This release contains many important new features and changes, including those
listed below. The features marked with * use new extensions to the HDF5 file
format.
o The Single-Writer / Multiple-Reader or SWMR feature enables users to read
data while concurrently writing it. *
o The virtual dataset (VDS) feature enables users to access data in a
collection of HDF5 files as a single HDF5 dataset and to use the HDF5 APIs
to work with that dataset. *
NOTE: There is a known issue with the h5repack utility when using it to
modify the layout of a VDS. We understand the issue and are working on a
patch for it.
o New indexing structures for chunked datasets were added to support SWMR
and to optimize performance. *
o Persistent free file space can now be managed and tracked for better
performance. *
o The HDF5 Collective Metadata I/O feature has been added to improve
performance when reading and writing data collectively with Parallel HDF5.
o The Java HDF5 JNI has been integrated into HDF5.
o Changes were made in how autotools handles large file support (LFS).
o New options for the storage and filtering of partial edge chunks have been
added for performance tuning.*
Files created with the new extensions will not be readable by applications
based on the HDF5-1.8 library.
Please refer to the following document which describes the new features in this
release:
https://www.hdfgroup.org/HDF5/docNewFeatures/
All new and modified APIs are listed in detail in the "HDF5 Software Changes
from Release to Release" document:
https://www.hdfgroup.org/HDF5/doc/ADGuide/Changes.html
For detailed information regarding this release see the release notes:
https://www.hdfgroup.org/ftp/HDF5/releases/hdf5-1.10/hdf5-1.10.0/src/hdf5-1.10.0-RELEASE.txt
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For questions regarding these or other HDF issues, contact: