dhis2-users team mailing list archive

[Lars Helge Øverland <larshelge@xxxxxxxxx>]

Hi Uwe,

ADX will not be faster than DXF, as for ADX, the stream is first converted
into DXF and then passed on to the regular importer.

Lars

On Tue, Feb 2, 2016 at 5:33 PM, Jason Pickering <jason.p.pickering@xxxxxxxxx
> wrote:

> This was a very trivial lab test,so not really conclusive at all.  I would
> just give it a try and see. If you see differences, please let the devs
> know.
>
> Given the scale of what you are attempting, have you considered using
> direct SQL injection? Not that I am recommending that route as there are
> many pitfalls, but it might be an option if implemented properly,
> especially considering your reported architecture.
>
> Regards
> Jason
>
>
> On Tue, Feb 2, 2016, 17:04 Uwe Wahser <uwe@xxxxxxxxx> wrote:
>
>> Hi Jason,
>>
>> thanks for sharing the links. As I can see on a quick glance, you are also
>> experimenting with the ADX-api - did you observe any significant
>> performance
>> differences between ADX and dataValueSets apis?
>>
>> Regards,
>>
>> Uwe
>>
>> > Jason Pickering <jason.p.pickering@xxxxxxxxx> hat am 2. Februar 2016
>> um 18:21
>> > geschrieben:
>> >
>> >
>> > Hi Olav,
>> > I have not worked with the DHS API per se, but have imported lots of
>> data
>> > using the same approach which they outline here (
>> > http://api.dhsprogram.com/#/samples-r.cfm)
>> >
>> > I have written up a walkthrough of getting data out of one DHIS instance
>> > and into another one, and I think the basic principles would be the
>> same (
>> > http://rpubs.com/jason_p_pickering/139589)
>> >
>> > Metadata needs to be mapped (or created), the data needs to be reshaped,
>> > and correctly formatted.
>> >
>> > It should not be too difficult. I used R, but there are other examples
>> with
>> > Python and JavaScript on their examples page.
>> >
>> > Regards,
>> > Jason
>> >
>> >
>> > On Tue, Feb 2, 2016 at 3:31 PM, Alex Tumwesigye <atumwesigye@xxxxxxxxx>
>> > wrote:
>> >
>> > > Dear Uwe,
>> > >
>> > > Have you tried to send data via the endpoint api/dataValueSets, it
>> may be
>> > > faster. Just stage your data and push it once.
>> > >
>> > >
>> http://dhis2.github.io/dhis2-docs/master/en/developer/html/ch01s13.html#d5e1372
>> > >
>> > > Also to note, is how you send it, I have seen curl taking ages to
>> submit
>> > > individual values via the api. You need to send it as once file via
>> once
>> > > request or implement concurrency.
>> > >
>> > > Alex
>> > >
>> > > On Tue, Feb 2, 2016 at 5:13 PM, Olav Poppe <olav.poppe@xxxxxx> wrote:
>> > >
>> > >> Hi Randy and Uwe,
>> > >> thanks, interesting to hear you experiences. Uwe, what you are
>> working on
>> > >> sounds quite a bit more complicated, and not least with far more
>> data. I
>> > >> image that with household surveys, it would be a matter of < 100
>> indicators
>> > >> for < 200 orgunits for 2-3 periods, i.e. a fraction of what you are
>> dealing
>> > >> with!
>> > >>
>> > >> Olav
>> > >>
>> > >>
>> > >>
>> > >>
>> > >>
>> > >>
>> > >> 31. jan. 2016 kl. 09.29 skrev uwe wahser <uwe@xxxxxxxxx>:
>> > >>
>> > >> Hi Olav & Randy,
>> > >>
>> > >> I am currently banging on kettle (aka Pentaho DI) to extract data
>> from a
>> > >> source-system (SQL-ERP in our case) into DHIS2 dataSets in json
>> format. In
>> > >> our current test-scenario (2 dataElements in a dataSet with a
>> > >> categoryCombination of 5 categories) we are currently updating ca. 4
>> mio
>> > >> dataValues every night in a pseudo-delta mode (reading all data from
>> > >> source, comparing to what is there in DHIS2 already, then only
>> pushing
>> > >> records for creating, updating or deleting dataValues into the api:
>> ca.
>> > >> 150k per night in 1 hour, initial load was 7hrs). We still have to
>> prove,
>> > >> that this is feasible when setting up the first real life dataSet
>> where
>> > >> there will be more categories and more dataElements, thus exploding
>> the
>> > >> number of dataValues.
>> > >>
>> > >> Getting there was a bit painful, but now it seems to work. I chose
>> kettle
>> > >> instead of Talend ETL (both open source) as it seemed to be easier
>> to get
>> > >> used to. However, from a data warehouse perspective I'd prefer to
>> have
>> > >> DHIS2 offering some sort of an integrated ETL landscape on the long
>> run,
>> > >> which would also allow to aggregate data from tracker into dataSets,
>> > >> tracker to tracker, dataSets to dataSets etc.
>> > >>
>> > >> Our current version of the kettle transformations and jobs were
>> designed
>> > >> to be generic (not for a specific dataSet, but you have to design
>> your own
>> > >> extractor which could be a simple csv-reader or maybe a DHS
>> api-call). If
>> > >> you are interested, I will share them. Just be aware that they are
>> > >> currently in a very early and rough state and not documented. You'd
>> have to
>> > >> bring along the willingness to dig yourself into kettle and be pain
>> > >> resistant to a certain degree :-)
>> > >>
>> > >> I'd be interested to hear from other experiences ...
>> > >>
>> > >> Have a nice sunday,
>> > >>
>> > >> Uwe
>> > >>
>> > >> ---
>> > >>
>> > >> Am 29.01.2016 um 17:31 schrieb Wilson, Randy:
>> > >>
>> > >> Not here unfortunately...just doing csv imports from DHS Excel files.
>> > >> Would be useful for our data warehouse.
>> > >> Randy
>> > >> On Jan 29, 2016 2:59 PM, "Olav Poppe" <olav.poppe@xxxxxx> wrote:
>> > >>
>> > >>> Hi all,
>> > >>> I wanted to hear if anyone has any experience with the DHS API (
>> > >>> http://api.dhsprogram.com/#/index.html), and using it to import
>> survey
>> > >>> results into DHIS?
>> > >>>
>> > >>> Olav
>> > >>>
>> > >>> _______________________________________________
>> > >>> Mailing list: https://launchpad.net/~dhis2-users
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>> > >>>
>> > >>>
>> > >> *This message and its attachments are confidential and solely for the
>> > >> intended recipients. If received in error, please delete them and
>> notify
>> > >> the sender via reply e-mail immediately.*
>> > >>
>> > >> _______________________________________________
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>> > >>
>> > >>
>> > >>
>> > >>
>> > >> _______________________________________________
>> > >> Mailing list: https://launchpad.net/~dhis2-users
>> > >> Post to     : dhis2-users@xxxxxxxxxxxxxxxxxxx
>> > >> Unsubscribe : https://launchpad.net/~dhis2-users
>> > >> More help   : https://help.launchpad.net/ListHelp
>> > >>
>> > >>
>> > >
>> > >
>> > > --
>> > > Alex Tumwesigye
>> > >
>> > > Technical Advisor - DHIS2 (Consultant),
>> > > Ministry of Health/AFENET
>> > > Kampala
>> > > Uganda
>> > >
>> > > IT Consultant - BarefootPower Uganda Ltd, SmartSolar, Kenya
>> > >
>> > > IT Specialist (Servers, Networks and Security, Health Information
>> Systems
>> > > - DHIS2 ) & Solar Consultant
>> > >
>> > > +256 774149 775, + 256 759 800161
>> > >
>> > > "I don't want to be anything other than what I have been - one tree
>> hill "
>> > >
>> > > _______________________________________________
>> > > Mailing list: https://launchpad.net/~dhis2-users
>> > > Post to     : dhis2-users@xxxxxxxxxxxxxxxxxxx
>> > > Unsubscribe : https://launchpad.net/~dhis2-users
>> > > More help   : https://help.launchpad.net/ListHelp
>> > >
>> > >
>> >
>> >
>> > --
>> > Jason P. Pickering
>> > email: jason.p.pickering@xxxxxxxxx
>> > tel:+46764147049
>> > _______________________________________________
>> > Mailing list: https://launchpad.net/~dhis2-users
>> > Post to     : dhis2-users@xxxxxxxxxxxxxxxxxxx
>> > Unsubscribe : https://launchpad.net/~dhis2-users
>> > More help   : https://help.launchpad.net/ListHelp
>>
>
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>


-- 
Lars Helge Øverland
Lead developer, DHIS 2
University of Oslo
Skype: larshelgeoverland
http://www.dhis2.org <https://www.dhis2.org>