sampler | A fast and high quality sampling system | Machine Learning library
kandi X-RAY | sampler Summary
kandi X-RAY | sampler Summary
A fast and high quality sampling system. This is an implementation of the article "Fast Tile-Based Adaptive Sampling with User-Specified Fourier Spectra" published in ACM SIGGRAPH 2014 See
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Currently covering the most popular Java, JavaScript and Python libraries. See a Sample of sampler
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Community Discussions
Trending Discussions on sampler
QUESTION
I would like to display all my traces like in the examples from the moleculer-jaeger package:
But what i get is something like this: All spans you can see in this picture should be within the main trace (gateway).
Here is my moleculer.config:
...ANSWER
Answered 2021-Jun-14 at 21:33- This version already has a built-in jager tracer, see the documentation.
- In order for the events to be nested, it is necessary to transfer the context inside the actions, use
ctx.call
calls instead ofbroker.call
, so they will be nested. - To quickly receive support for the moleculer, join us in discord!
QUESTION
When I run JMeter test with 100 Threads on Azure pipeline I get 'java.lang.OutOfMemoryError: Java heap space' error. I tried to increase HEAP:
...ANSWER
Answered 2021-Feb-01 at 13:34This
v1/pages
is just a label, don't waste your time by searching for it, sampler labels may be absolutely different:if you open .jtl results file you should see the URL of the request and once you figure this out you will be able to make the decision whether to keep it or not.
One of possible reasons is that particular this request returns large response which doesn't fit into memory, if this is the case and you're not too interested in the response - you can tick "Save response as MD5 hash" instead:
There are 2 ways of fixing "Java heap space" error:
- Reduce heap usage, i.e. see this hint with MD5 sum or consider going for Distributed Testing
- Increase heap size. For example 2 gigabytes may be not enough, try allocating more heap if you have enough RAM. Also if your pipeline is running on Linux you need to slightly amend your command to look like:
HEAP=-Xms512m -Xmx2048m && export HEAP && ./jmeter -n -t test.jmx ......
QUESTION
Post request Json Extractor Get request debug sampler error message I'm using Jmeter for stress testing of my application. Test plan that I'm building has a POST request which creates a user and the next PATCH request updates it. Basically I want to extract user_id from Json response received after POST request and add that id in the body of the next request. For that I use Json extractor in my POST request and when I check Debug Sampler the value is successfully stored. But when I try to use extracted user_id in any subsequent requests of the same thread it is not recognized. However when I tried to extract user_id of already created user with GET request then this user_id is normally recognized by other requests. I'm not sure whether Json extractor is not normally used with POST requests or I'm doing something wrong.
...ANSWER
Answered 2021-Jun-13 at 05:50It's impossible to provide an answer without seeing the screenshot of your Test Plan or even better Schematic View (the option is available under "Tools" main menu entry since JMeter 5.1)
Given you're able to see the extracted value in the debug sampler I can think of 2 possible options:
- Your syntax of referring the
user_id
variable is wrong, in JMeter the Variables are accessed like${user_id}
- Placement of your JSON Extractor is wrong, i.e. instead of putting it as a child of a specific sampler you have it at the same level as all Samplers therefore it's getting applied to the Debug Sampler as well and the extracted value gets overwritten. See Scoping Rules user manual section for more information
QUESTION
In just starting to use JMeter I am trying to set variables of the form taskId_1, taskId_2, taskId_3 (defined in "User Defined Variables") and use them in HTTP Samples (REST requests). When I run postprocessors none of my JSON Extractors or Regular Expression Extractors save the values matched (and I tested the extracted regular expression using RegExp tester.)
The response sent from the GET request that I am parsing looks like (edited for readability):
...ANSWER
Answered 2021-Jun-10 at 18:00QUESTION
Today the following error appeared in my study when I try to optimize it after loading on Colab on Optuna 2.8.0. I save a study with joblib each time a trial begins or ends in a separate file for each trial. Never have I had this problem before and not sure what actually causes it.
Colab shows the following trace:
...ANSWER
Answered 2021-Jun-07 at 23:12Just got the answer from Optuna developers:
A (private) attribute was introduced to the TPESampler in v2.8 and if you've pickled or serialized the sampler before this introduction, you'll encounter this AttributeError when unpickling it with v2.8.
The solution to this problem is re-instantiating the sampler object and substitute it to the study.sampler:
QUESTION
Problem:
In my React application, I have setup screen recording within the application using navigator.mediaDevices.getDisplayMedia
when I set the stem to video tag and play it was playing successfully. But when I try to save it to a local machine it saving only 0 minutes of video.
This is my code.
...ANSWER
Answered 2021-Jun-07 at 19:14WebRTC (getDisplayMedia) typically records as webm.
I have a sample app running at record.a.video
and in the code (which looks similar to yours, but for the mimetype): https://github.com/dougsillars/recordavideo/blob/main/public/index.js#L652
QUESTION
I'm trying to convert an old OpenGL screen saver to WebGL. It's supposed to render a Möbius strip with numbers from "00" to "23" written along it like the numbers on an analog clock's face. This is what the original looks like:
For reasons I don't fully remember now, the texture of the strip is divided into 4 separate files named hours?.bmp
, where the ?
stands for 0
..3
. Accordingly, I tried to load each file into a different texture unit as follows
ANSWER
Answered 2021-Jun-05 at 20:53gl.bindTexture
binds the texture to the active texture unit. The active texture unit is a global state and can be changed with gl.activeTexture
. Every time gl.activeTexture
is called, the active texture unit is changed. This affects all subsequent calls to gl.bindTexture
.
The 2nd line in loadTexture
is gl.bindTexture(gl.TEXTURE_2D, texture)
and binds the texture to the randomly set texture unit.
Use the texture unit 0 (gl.TEXTURE0
) in loadTexture
to load the texture. After loading the textures, bind them to specific texture units. Alternatively, you can pass a specific texture unit to loadTexture
and use it when loading the texture.
QUESTION
I want to perform a stress test on different cases for my web application with JMeter.
I have a small network and each PC has a large number of user accounts.
I have configured JMeter to produce the same network footprint as the browser and I can record the requests generated by browser using JMeter's HTTP(S) Test Script Recorder.
What is the next step? Do I have to create test plan for each case with Samplers and Listeners (Load TEsting) or just increase the number of users and check for errors at the Graph Result?
ANSWER
Answered 2021-Jun-06 at 07:05You need to simulate real-life activity of each real user, if all of them are doing the same actions - it's sufficient to implement these actions. If different users are doing different actions - it makes sense to move these actions into different Thread Groups
Stress Test assumes finding the limits of your application so I would suggest the following approach:
- Start with 1 user
- Gradually increase the load at the same time looking into Response Times Over Time and Transactions per Second charts
- Up to certain load response time will remain the same and throughput will be increasing at the same factor as the number of users does, when response time will start growing and transactions per second will decrease it will indicate that you reached the saturation point and that would be the maximum of users which your system can support.
Try to avoid using listeners as they don't add any value, just consume resources, you should be running your test in non-GUI mode and when the test finishes either use listeners to open and analyze .jtl results file or generate HTML reporting dashboard
QUESTION
I made a program that's supposed to record people in my household talking for 1 minute. I think my code has successfully (though messily) been able to save the *.wav file and classifying the recording on gender. The male recordings are supposed to be saved in the male_voices folder and the female recording are supposed to be saved in the female_voices folder.
My question is: I have searched and couldn't seem to find a way to save these recordings to a specific file path. As you can see I tried using
...ANSWER
Answered 2021-Jun-04 at 14:06As Justin said you aren't assigning the return value of os.path.join anywhere. This will create a path, but if you aren't doing anything with it, nothing happens.
You have to use the .write()
function to write the file to the os.path.join return value.
This code should work.
QUESTION
EDIT#1: I am trying to loop through a column to find a list of pre-specified numbers and if match is found, copy the entire row to another tab but I am getting error. Could some one please help?
Based on the error that I was getting for my range, I felt that it was because of the way I was getting my samples range, so I changed it but I am still getting it.
Error:
Runtime Error '1004':
Method 'Range' of object '_Global' failed
I am getting this error for this line:
...ANSWER
Answered 2021-Jun-04 at 14:06You should use the reference ws
when defining myrange
.
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Vulnerabilities
No vulnerabilities reported
Install sampler
cmake (http://cmake.org) to generate the build project.
Qt4 (Gui) (http://qt.digia.com)
Boost (and boost-progam-options) for command-line parsing (http://boost.org)
OpenGL with GLSL (version 330 minimum)
SDL and SDL_image library
`sampler-cli: command line uniform and adaptive sampling tool
`sampler-gui: Qt base sampler (uniform, adaptive, …)
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