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<title>Join us for Friday's webinar</title>
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<p class="MsoNormal"><span style="font-family:"Andale Mono"">I wonder if this talk on H5Coro would be eligible for the summer session? It does not seek to modify the data format to be cloud-optimized, but rather to produce a read library that can read the data
as if they were cloud-optimized…<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Andale Mono""><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Andale Mono"">Or…I guess people could just attend today’s webinar.
</span><span style="font-family:"Apple Color Emoji"">😊</span><span style="font-family:"Andale Mono""><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:Monaco;color:black">—<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:Monaco;color:black">Christopher Lynnes NASA/GSFC mobile: 410-231-4573<br>
“Perfection is achieved, not when there is nothing more to add, but when there is nothing left to take away.” A. de St. Exupery</span><span style="font-family:"Andale Mono""><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Andale Mono""><o:p> </o:p></span></p>
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<p class="MsoNormal" style="margin-left:.5in">On 5/14/21, 03:04, "The HDF Group" <<a href="mailto:info@hdfgroup.org">info@hdfgroup.org</a>> wrote:<o:p></o:p></p>
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<h1><strong><span style="font-family:Helvetica">Happening Friday...</span></strong><o:p></o:p></h1>
<h3><strong><span style="font-family:Helvetica">H5Coro: The HDF5 Cloud-Optimized Read-Only Library</span></strong><o:p></o:p></h3>
<p class="MsoNormal" style="line-height:150%"><strong><span style="font-size:12.0pt;line-height:150%;font-family:Helvetica;color:#757575">May 14, 2021 11:00 a.m. CDT</span></strong><span style="font-size:12.0pt;line-height:150%;font-family:Helvetica;color:#757575"><br>
<br>
NASA’s migration of science data products and services to AWS has sparked a debate on the best way to access science data stored in the cloud. Given that a large portion of NASA’s science data is in the HDF5 format or one of its derivatives, a growing number
of efforts are looking at ways to efficiently access H5 files residing in S3. This presentation describes one of those efforts and argues for the creation of a standardized subset of the HDF5 specification targeting cloud environments.
<o:p></o:p></span></p>
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<h1><strong><span style="font-family:Helvetica">Don't forget to join us for Call the Doctor!</span></strong><o:p></o:p></h1>
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Join The HDF Group and other community members for a free weekly office (half) hour to help with all of your HDF issues. These sessions take place on
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Past discussions have covered HDF5 command line tools and how to use them, discussions and potential bug reports on the forum, and The HDF Group's progress on improving the readability and accessibility of the HDF5 reference manual. You can catch up on these
previous sessions with this <a href="https://gcc02.safelinks.protection.outlook.com/?url=https%3A%2F%2Fhdfgroup.us14.list-manage.com%2Ftrack%2Fclick%3Fu%3D1e990656e9cfaeda233d0858d%26id%3D43b898fb5f%26e%3Dfa98935ea2&data=04%7C01%7Cchristopher.s.lynnes%40nasa.gov%7Ca62ed0e1f8ea47439d8508d916a6106b%7C7005d45845be48ae8140d43da96dd17b%7C0%7C0%7C637565726846107369%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&sdata=NQnaMwhUiG14FHwdF4I0Db4CGxBhRbQnIUq6zxi5NOo%3D&reserved=0" target="_blank">
<span style="color:#175FA1">youtube playlist</span></a> or the <a href="https://gcc02.safelinks.protection.outlook.com/?url=https%3A%2F%2Fhdfgroup.us14.list-manage.com%2Ftrack%2Fclick%3Fu%3D1e990656e9cfaeda233d0858d%26id%3D01c812f69a%26e%3Dfa98935ea2&data=04%7C01%7Cchristopher.s.lynnes%40nasa.gov%7Ca62ed0e1f8ea47439d8508d916a6106b%7C7005d45845be48ae8140d43da96dd17b%7C0%7C0%7C637565726846112347%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&sdata=jx6Vm6o43tdOXEqvojW6o0qL2P%2BeDdx%2B%2F61h8eU4kvk%3D&reserved=0" target="_blank">
<span style="color:#175FA1">session notes</span></a>. <br>
<br>
Submit your questions ahead of time in this <a href="https://gcc02.safelinks.protection.outlook.com/?url=https%3A%2F%2Fhdfgroup.us14.list-manage.com%2Ftrack%2Fclick%3Fu%3D1e990656e9cfaeda233d0858d%26id%3D87ccff5c58%26e%3Dfa98935ea2&data=04%7C01%7Cchristopher.s.lynnes%40nasa.gov%7Ca62ed0e1f8ea47439d8508d916a6106b%7C7005d45845be48ae8140d43da96dd17b%7C0%7C0%7C637565726846117325%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&sdata=5yoNyj4a%2F0xpVpZmo1PklY5Kosuq7MbtsAhf%2BwbK90g%3D&reserved=0">
<span style="color:#175FA1">google doc</span></a> or just ask during the meeting. We would love to have you join us in this fun, informal, and interactive session.
<o:p></o:p></span></p>
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<p class="MsoNormal" align="center" style="text-align:center"><span style="font-size:12.0pt;font-family:"Arial",sans-serif;color:black"><a href="https://gcc02.safelinks.protection.outlook.com/?url=https%3A%2F%2Fhdfgroup.us14.list-manage.com%2Ftrack%2Fclick%3Fu%3D1e990656e9cfaeda233d0858d%26id%3Dc6db305779%26e%3Dfa98935ea2&data=04%7C01%7Cchristopher.s.lynnes%40nasa.gov%7Ca62ed0e1f8ea47439d8508d916a6106b%7C7005d45845be48ae8140d43da96dd17b%7C0%7C0%7C637565726846122303%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&sdata=U4KdkUU3aX%2FW71SY%2B2l22TIHOgKld1HE6YNy068RuwY%3D&reserved=0" target="_blank" title="Register for Call the Doctor sessions"><b><span style="color:white;text-decoration:none">Register
for Call the Doctor sessions</span></b></a> </span><span style="font-size:12.0pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
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<p class="MsoNormal" style="line-height:150%"><strong><span style="font-size:12.0pt;line-height:150%;font-family:Helvetica;color:#757575">HDF5 User Group</span></strong><span style="font-size:12.0pt;line-height:150%;font-family:Helvetica;color:#757575"><br>
October 12-15 2021 <br>
<br>
Plans are underway for the 2021 iteration of the HDF5 User Group. We are currently soliciting submissions in two categories “Paper and Presentation” or “Presentation”. Check out the <a href="https://gcc02.safelinks.protection.outlook.com/?url=https%3A%2F%2Fhdfgroup.us14.list-manage.com%2Ftrack%2Fclick%3Fu%3D1e990656e9cfaeda233d0858d%26id%3D6c6f3236ce%26e%3Dfa98935ea2&data=04%7C01%7Cchristopher.s.lynnes%40nasa.gov%7Ca62ed0e1f8ea47439d8508d916a6106b%7C7005d45845be48ae8140d43da96dd17b%7C0%7C0%7C637565726846122303%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&sdata=yNqdUj0ytWVBwV2sJ7BdHD1IkdA6lhGmZGI0HHdYkb4%3D&reserved=0"><span style="color:#175FA1">2021
Call for Papers</span></a> and when you're ready <a href="https://gcc02.safelinks.protection.outlook.com/?url=https%3A%2F%2Fhdfgroup.us14.list-manage.com%2Ftrack%2Fclick%3Fu%3D1e990656e9cfaeda233d0858d%26id%3Ddb348d6bce%26e%3Dfa98935ea2&data=04%7C01%7Cchristopher.s.lynnes%40nasa.gov%7Ca62ed0e1f8ea47439d8508d916a6106b%7C7005d45845be48ae8140d43da96dd17b%7C0%7C0%7C637565726846127281%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&sdata=7d7fPPdyU0Gyp9OWERJF046A2JOfZd7fUecJc7CQfxE%3D&reserved=0"><span style="color:#175FA1">submit
a paper and presentation or presentation</span></a>. Abstracts for papers and presentations are due June 1, and abstracts for presentations are due August 1.
<o:p></o:p></span></p>
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<h1>Check out recordings of past events<o:p></o:p></h1>
<p class="MsoNormal" style="line-height:150%"><strong><span style="font-size:12.0pt;line-height:150%;font-family:Helvetica;color:#757575">HDF5 Application Tuning: There is more than one way to skin a cat(fish), Part 2</span></strong><span style="font-size:12.0pt;line-height:150%;font-family:Helvetica;color:#757575"><br>
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On Friday, April 30, The HDF Group's Gerd Heber presented HDF5 Application Tuning: There is more than one way to skin a cat(fish), Part 2. Before returning to application tuning (in part 3), in this second part of the series, we take a closer look at HDF5 performance
variability. We highlight the main variability sources, their impact on performance, and considerations for HDF5 container design.
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<p class="MsoNormal"><span style="color:black"><a href="https://gcc02.safelinks.protection.outlook.com/?url=https%3A%2F%2Fhdfgroup.us14.list-manage.com%2Ftrack%2Fclick%3Fu%3D1e990656e9cfaeda233d0858d%26id%3D0f0cac7e9e%26e%3Dfa98935ea2&data=04%7C01%7Cchristopher.s.lynnes%40nasa.gov%7Ca62ed0e1f8ea47439d8508d916a6106b%7C7005d45845be48ae8140d43da96dd17b%7C0%7C0%7C637565726846132259%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&sdata=06Y%2FMM%2FC7ylSUxijfMfaFiRbyYE7H8g1YgVola%2FJALk%3D&reserved=0" title=""" t "><span style="color:black;text-decoration:none"><span style="color:blue"><img border="0" width="564" style="width:5.875in" id="_x0000_i1032" src="https://mcusercontent.com/1e990656e9cfaeda233d0858d/video_thumbnails_new/501f1cd3c479cc54cf98b953aa8b8db1.png"></span></span></a></span><o:p></o:p></p>
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<p class="MsoNormal" style="line-height:150%"><strong><span style="font-size:12.0pt;line-height:150%;font-family:Helvetica;color:#757575">Hermes - A Distributed Buffering System for Heterogeneous Storage Hierarchies</span></strong><span style="font-size:12.0pt;line-height:150%;font-family:Helvetica;color:#757575"><br>
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On Friday March 26th, we hosted a webinar on the Hermes project. In this webinar, the Hermes team provided an update on an NSF-funded joint effort between the Illinois Institute of Technology (IIT) and The HDF Group. They explained Hermes’ goals and what differentiates
it from existing technologies. The team presented Hermes’ current status including the abstractions involved, high-level API, as well as its system architecture. Different team members then presented the results they obtained under this project. Finally, they
ran through a demonstration and provided more info for those who would like to get involved with this project. <br>
<br>
You can find complete information and relevant links in the <a href="https://gcc02.safelinks.protection.outlook.com/?url=https%3A%2F%2Fhdfgroup.us14.list-manage.com%2Ftrack%2Fclick%3Fu%3D1e990656e9cfaeda233d0858d%26id%3D2d97600838%26e%3Dfa98935ea2&data=04%7C01%7Cchristopher.s.lynnes%40nasa.gov%7Ca62ed0e1f8ea47439d8508d916a6106b%7C7005d45845be48ae8140d43da96dd17b%7C0%7C0%7C637565726846137236%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&sdata=yCdgKSggkGZ2jOoboi%2F4GDHtDGZJ1VsZA%2ByFQpWJijQ%3D&reserved=0" target="_blank"><span style="color:#175FA1">slide
deck</span></a>, or watch the webinar recording below. <o:p></o:p></span></p>
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<p class="MsoNormal" style="line-height:150%"><span style="font-size:12.0pt;line-height:150%;font-family:Helvetica;color:#757575">Don't forget, all past Call the Doctor sessions are also available on youtube.
<o:p></o:p></span></p>
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