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Questions tagged [hpcc]

High Performance Computing Cluster (HPCC)

48 questions
7
votes
2 answers

How to use embedded Webassembly in Vite?

I would like to use this great package: https://github.com/hpcc-systems/hpcc-js-wasm It bundles a Webassembly (graphizlib.wasm) with the Javascript functions to use. I added it as a dependency in package.json. "dependencies": { …
Wizard of Kneup
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4
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2 answers

Controlling ECL loop macro using results of a query

We are trying to write a loop macro with a break function. Basically we would like to repeat a certain action until X (derived from a Dataset) is true. The compiler doesn't seem to like this approach however (returns 'Constant expression expected')…
DataMacGyver
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2
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1 answer

What is the ECL equivalent of NaN or IsNumeric?

I want to check if some value (i.e: 42 or 41.0005) is a number in ECL (HPCC). I have in mind a function using Regular Expressions like this: EXPORT IsNumeric(STRING UniqueID) := FUNCTION regex:='^\\d+$'; RETURN…
Oscar Foley
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0 answers

Data corruption for large data manipulation

I have some very weird data corruption trouble recently. Basically what I do is: transfer some large data (50files, each around 8GB) from one server to hpcc(high performance computing) using "scp" Process each line of input files, and then…
LookIntoEast
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1
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2 answers

Data distortion after using "scp" for transfer

Recently I transferred a set of data from one server to hpcc(high-performance computing) Command is like: scp /folder1/*.fastq.gz xxx@hpcc:/home/ scp /folder2/*.fastq.gz xxx@hpcc:/home/ scp /folder3/*.fastq.gz xxx@hpcc:/home/ I open several…
LookIntoEast
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2 answers

How to send POST request using sendgrip api in HPCC ECL?

Could someone kindly assist me in making a POST request call using the SendGrid API in HPCC ECL? I have diligently referred to the documentation and examples provided in the forum, but I have not come across any specific information or methods…
Yashi Mishra
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1 answer

In my HPCC Cluster, what does this error in a workunit "Error receiving actinit data for graph: xx" really means?

Note: I am running code in a cluster with 16 slaves, HPCC version 6.4.40 I am running some ECL code that returns this error: System error: 0: Graph graph2[14], SLAVE #1 [10.313.316.31:20100]: Error receiving actinit data for graph: 14 What does…
Oscar Foley
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1
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1 answer

ModuleNotFoundError: No module named 'matplotlib' when using plt.imread() in embedded Python code

I am trying to read an image using plt.imread() in embedded Python code within my DATA function. The code is as follows: IMPORT PYTHON3 AS PYTHON; IMPORT Std; IMPORT Image; myRec := RECORD STRING id; DATA image; END; ds :=…
Dumbledore
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1
vote
1 answer

How to convert hex data to byte data in ECL?

I am working on a code in ECL and trying to convert hex data into byte data. I am using the following line of code for this: hex_data := Std.Str.ToHexPairs((>DATA<)ds.contents); d1:=Std.Str.FromHexPairs(hex_data); But when I uncomment the second…
Dumbledore
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1
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1 answer

Linking multiple C++ files in ECL

I have C++ code spread across multiple C++ and header files and wanted to know how to link them in ECL. Should I install them as libraries (.cpp and header files) into the local cluster I am running in order to import them into the main C++ embed…
ANAGHA ANAND
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1
vote
2 answers

How to send POST request in HPCC ECL?

Can someone help me understand how to make a REST POST request in HPCC? I've read through the documentation but I couldn't find any examples. Any help would be appreciated.
Vipin Katara
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1
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1 answer

Passing a dataset as an argument for C++ embedding in ECL

I want to pass a dataset as an argument to a C++ embedded function. This code snippet seems to be working when we hardcode the dataset. The dataset is a BLOB type sprayed blk.dat file having hexadecimal data. #ECL to C++ Mapping Documentation inRec…
ANAGHA ANAND
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1
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1 answer

Issue while setting up local HPCC cluster using WSL

When I start the cluster ( using the command etc/init.d/hpcc-init start). Starting mydali shows a TIMEOUT message. Something like this: How do I solve this problem? Thank You.
chandan kasamsetty
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1
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2 answers

'Cannot read properties of undefined (reading 'eclccPath')' in HPCC Systems VS Code extension

How to resolve this error 'Cannot read properties of undefined (reading 'eclccPath')' in HPCC Systems VS Code extension. I have installed ecl client tools. While installing I tried with both options 'add path to all users' once & the default one…
Jyothi Shetty
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0 answers

Updated support schedule for HPCC releases 8.6, 8.8 and 8.10

The schedule defined for the support of the HPCC releases, found at "https://wiki.hpccsystems.com/display/hpcc/Latest+release+and+documentation", seems outdated – 8.8 & 8.10 not present, 9.x never released in Q2 2022, year 2023 not…
Sergio Fernandes
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