HDF Cloud News – 11-28-22
News on the H5PYD v0.12.0 release and an install guide for running HSDS on Tencent Cloud.
Subfiling Virtual File Driver user guide is now available!
The HDF5 Subfiling Virtual File Driver (VFD) is an MPI-based File Driver that was introduced in the HDF5 1.14.0 release. A user guide for the Subfiling Virtual File Driver was created in conjunction with the ExaIO team.
Parallel and Large-scale Simulation Enhancements to CGNS
The current improvement of using collective I/O to reduce the number of independent processes accessing the file system helped to improve the metadata reads for cgp_open substantially, yielding 100-1000 times faster execution times over the previous implementation.
The HDF Group appoints Dana Robinson as Director of Engineering
Dana Robinson has been appointed as the new Director of Engineering at The HDF Group. Dana started at The HDF Group in 2009 as a software engineer until stepping into the role of interim Director of Engineering in April 2022. As the Director of Engineering, Dana will lead the team of software engineers and shape the
Announcing HDF5 1.10.0
We are excited and pleased to announce HDF5-1.10.0, the most powerful version of our flagship software ever.> This major new release of HDF5 is more powerful than ever before and packed with new capabilities that address important data challenges faced by our user community. HDF5 1.10.0 contains many important new features and changes, including those
To Serve and Protect: Web Security for HDF5
HDF Server is a new product from The HDF Group which enables HDF5 resources to be accessed and modified using Hypertext Transfer Protocol (HTTP). The newest version of HDF Server provides exciting capabilities for accessing data in an easy and secure way.
Easy access to the NASA HDF products via OPeNDAP’s Hyrax
MuQun (Kent) Yang, The HDF Group Many NASA HDF and HDF5 data products can be visualized via the Hyrax OPeNDAP server through Hyrax’s HDF4 and HDF5 handlers. Now we’ve enhanced the HDF5 OPeNDAP handler so that SMAP level 1, level 3 and level 4 products can be displayed properly using popular visualization tools. Organizations in
The Blosc meta-compressor
Blosc is an open source compression library that offers a number of features that make it unique among compressor software.
2016 Newsletters
Release of HDF5-1.8.18 (Newsletter #152) – 11/16/16 Release of HDF Java Products for HDF5-1.8 (HDFView 2.13, HDF JNI 3.2.1) (Newsletter #151) – 7/25/16 Release of HDF 4.2.12 (Newsletter #150) – 6/30/16 Release of HDF5-1.10.0-patch (Bulletin) – 5/26/16 Release of HDF5-1.8.17 (Newsletter #149) – 5/13/16 Release of HDF5-1.10.0 (Newsletter #148) – 3/31/16
Adopting HDF5 for Simulation Data in EDEM Software
Why do we use HDF5? We moved to HDF5 for our simulation data in 2016 from using our own proprietary file format. HDF5 had been on our radar for some time and we spent a couple of years investigating it and other file formats before deciding which we should switch to. HDF5 met all the criteria we had at the time. Amongst the criteria were: performance in speed and size, an accepted standard for scientific data, being open source, providing additional tools.