jamesagnew

177 posts

jamesagnew

jamesagnew

@jamesagnew

HAPI Project // Smile CDR

Toronto Katılım Ekim 2008
65 Takip Edilen351 Takipçiler
jamesagnew retweetledi
Smile Digital Health
Smile Digital Health@smilecdr·
🧙Our Wizard release is jam-packed with updates, and @jamesagnew can't wait to tell you about it on Feb 16 at 10 am ET! Want a sneak peek? hubs.la/Q01Bgrjc0 Our releases are live-streamed on our YouTube channel. Subscribe so you know when we go LIVE! youtube.com/smilecdr
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jamesagnew retweetledi
HL7 International
HL7 International@HL7·
This online class introduces the #HAPI #FHIR framework for developing applications in Java. Only offered once this year on May 24-26, so java developers, don't miss out! Instructor is James Agnew, Project Lead of HAPI. Register at 👇bit.ly/36gcxvl
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jamesagnew
jamesagnew@jamesagnew·
@niquola @GrahameGrieve @ChristinGorman @linesele @Ettenaej The query cache is actually a drain on performance, it helps ensure fully stable searches even if data changes during paging. People at high volume generally disable it. This specific 10k/sec deploy is a big and fairly traditional cluster of on-prem VMs backed by Oracle RAC.
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Christin Gorman
Christin Gorman@ChristinGorman·
Health IT people - has anyone managed to use FHIR at scale? With extensions? Is it physically possible to get decent performance when dealing with hundreds of thousands of messages simultaneously? If so how do you do it?
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jamesagnew
jamesagnew@jamesagnew·
@ChristinGorman @GrahameGrieve @linesele @Ettenaej Yeah, that problem certainly resonates. Weve had existing models that were hard to map to FHIR because they had so many unusual data points that didn't fit cleanly and needed lots of extensions. Sometimes this is a smell that you've picked the wrong resource. Sometimes it isn't
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Christin Gorman
Christin Gorman@ChristinGorman·
@jamesagnew @GrahameGrieve @linesele @Ettenaej I don't know the details, but I think the performance issues I have been hearing about at work are mainly due to how cumbersome it was to map the external formats to FHIR. Lots of extensions were required, the data volume grew, complexity grew, performance suffered.
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jamesagnew
jamesagnew@jamesagnew·
@ChristinGorman @GrahameGrieve @linesele @Ettenaej That said, if you're talking national EHR infrastructure, you probably don't control both sides of the connection. The trivial added cost of scaling up an extra server or 2 gives you an easy-to-adopt protocol. Personally I'd use FHIR every time. Horz scaling HTTP infra is easy.
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jamesagnew
jamesagnew@jamesagnew·
@ChristinGorman @GrahameGrieve @linesele @Ettenaej Well, personally scales of 100k/sec sounds to me like streaming realtime device data where you have a ton of devices and control both sides of the connection. I'd probably personally be using an ultra compact binary protocol for that scale (parquet, protobuf, etc).
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jamesagnew
jamesagnew@jamesagnew·
@GrahameGrieve @ChristinGorman @linesele @Ettenaej 2/2 Those are 10k operational transactions with a healthy mix of read/write in POS applications. I'm certainly not aware of anyone using HAPI FHIR at 100k+/sec scales but that also feels like an unlikely requirement for anything you'd use FHIR for in the 1st place.
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jamesagnew
jamesagnew@jamesagnew·
@GrahameGrieve @ChristinGorman @linesele @Ettenaej Largest HAPI FHIR deployment I'm aware of peaks at servicing roughly 10k FHIR REST requests per second. Parsing am average JS resource typically takes on the order of 5-10ms, if you're seeing multiple seconds of latency for that something is very wrong with your setup.
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jamesagnew retweetledi
Smile Digital Health
Smile Digital Health@smilecdr·
HAPI FHIR 5.5 (Code name: Quasar) is only 1 week away! You still have time to register and join us live at 10am on August 19th. hubs.la/H0V1b830
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jamesagnew retweetledi
Smile Digital Health
Smile Digital Health@smilecdr·
We are proud to announce that Smile CDR has secured $20 Million in Series A funding led by 30 North Group and UPMC Enterprises to develop new innovations in healthcare and data management that extends beyond interoperability. Read the full story here: hubs.la/H0TPvsC0
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jamesagnew
jamesagnew@jamesagnew·
@iamhasibrahman Sure thing. I'm jamesagnew on GitHub and my email address is on my profile there. Feel free to shoot me a note!
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hasib
hasib@iamhasibrahman·
@jamesagnew I'm leading a large FHIR initiative and would love to speak to you about an area where your solution can be a great addition. Can we chat?
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jamesagnew retweetledi
Aaron Neinstein, MD
Aaron Neinstein, MD@AaronNeinstein·
As rumors swirl around Apple Watch & BG monitoring, of course it depends on how accurate it will be. But, getting more glucose monitoring into more peoples' hands will be a good thing for societal health & wellness. *AND* the real big deal here is that data will be interoperable.
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