Hi everyone,

I am still learning the platform for a student project and have to do some streaming and data analysis next. Since for my case I have no "live api" I wanted to just stream json files and output the data as it comes in from the files. (basically to emulate a incoming data scenario)

So thanks to the documentation and community posts I have figured how to create a stream and read data from a JSON but since I'm also new to JSON I have some parsing problems. I don't know how to access subarrays/sub-objects via objectscript.

00
0 2 1,662

Hi all.

I want to insert my dataframe into InterSystems IRIS. So, I tried to do this:

df = spark.read.load("/home/imported-openssh-key/zeppelin-0.8.0-bin-all/bin/resultData3/DF.json", format="json")
df.write.format("com.intersystems.spark").\
option("url", "IRIS://localhost:51773/DEDUPL").\
option("user", "********").option("password", "********").\
option("dbtable", "try.test1").save()

And got this error:

10
0 3 1,452

The "Download Caché Evaluation" at the top of this forum takes the user to a page that only allows her to download versions of IRIS. What am I missing here? Does IRIS encompass Caché? I've wandered around both on the main website and in the Developer Community site looking for a way to only get Caché... Very frustrating.

I appreciate any help you all can provide. Thanks!

00
0 11 1,398

I'm trying to convert a CSV inbound to an HL7 MFN^M16 outbound.  I know I'm using book information as the CSV but I don't think that matters.  Please let me know if that's incorrect. 

My service is reading the file in just fine and when I don't have a DLT transformer the raw message passes through to outbound file folder just fine.  However, when I include a basic DLT that simply copies a couple of fields over I get the "Ens.StreamContainer" error.  Everything also seems to be good in the Record Mapper.

00
0 4 811
Question
Eduard Lebedyuk · Oct 12, 2019
How do you search with REST

The question is pretty much in title. I'm developing a REST API, it has a search endpoint with 10 optional parameters. How do I pass them and stay RESTFul?

To ease the question a bit let's agree that:

  • all parameters are AND parameters, user can't make combos, ORs, etc. User can only provide values
  • all values are integers so I don't have to think about URL limits
  • all values are atomic
  • all conditions are about equivalency

Some options I know of:

1. URL parameters.

00
0 9 785

<html>
    <head>
        <title>LabCorp</title>
        <link rel="apple-touch-icon" sizes="60x60" href="app-assets/img/ico/apple-icon-60.png">
        <link rel="apple-touch-icon" sizes="76x76" href="app-assets/img/ico/apple-icon-76.png">
        <link rel="apple-touch-icon" sizes="120x120" href="app-assets/img/ico/apple-icon-120.png">
        <link rel="apple-touch-icon" sizes="152x152" href="app-assets/img/ico/apple-icon-152.png">

00
0 8 703
Question
Dan Crouthamel · Nov 18, 2019
Cache vs IRIS install

Has the Cache install been replaced with IRIS? Sorry if this is a silly question. I remember downloading Cache before and using Cache studio. I can't seem to find a download for that anymore, just IRIS? I did grab that and I'm able to connect Studio to what I need.

If there is still a Cache download, where can I find it?

Thanks!

00
0 4 627

Can anyone clarify to me about the differences between these two classes?

People in this topic https://community.intersystems.com/post/using-class-queries-sqlstatement-versus-libraryresultset stated that %SQL.Statement (I am assuming they mean to talk about %SQL.StatementResult) is newer than %Library.ResultSet. But I don't really know what are the advantages of %SQL.Statement over %Library.ResultSet as the people in the topic somehow didn't mention them.

00
0 6 548

Suppose we need to store millions of values temporarily, that means, we don't care about them if we lose them but our application use them to get realtime information. Should I use Cachetemp or whatever other DB without journaling enabled? If answer is Cachetemp, shouldn't be a problem if we decide to scale using App Server + ECP? I'm not sure what would happen with the app logic in such architecture as I guess I couldn't map and share cachetemp...

Any idea/suggestion?

00
0 5 533

Hello,

I'm trying to set up an Apache server using CSP Gateway on Windows 10 (64-bit), but am getting the  error "Cannot load c:/InterSystems/IRIS_2019/CSP/bin/CSPa24.dll into server: %1 is not a valid Win32 application" when attempting to start up httpd.exe after adding the CSP-specific section to httpd.conf.

The CSP gateway is 64-bit (CSPGateway-2018.1.1.643.0-win_x64) and so is the Apache install (httpd-2.4.38-o102q-x64-vc14).

The CSPa24.dll file does exist in the specified location. 

Any suggestions appreciated.

Thank you,

Olga

00
0 5 470
Question
Dmitry Maslennikov · Jan 12, 2020
Timeout for $zf

In one of the projects, when we have ECP with 10 ECP application servers, from time to time we faced the issue when our journals fail to purge, due to open transactions. While we have about 100-150 GB journal files per day, it quite quickly became a big issue, and with mirroring a very big issue. Mostly we just rebooted our ECP Data server, so it searches rollbacks any transactions, but such process is too long, may steal a few hours. I did not find any way, how to get the list of the open transactions from one place from ECP Data Server. We just migrated our Data server to 2018.1.

30
0 4 470