artillery | 🌩 Cloud-scale load | Monitoring library
kandi X-RAY | artillery Summary
kandi X-RAY | artillery Summary
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artillery Key Features
artillery Examples and Code Snippets
Lines of Code : 24
License : No License
Copynpm i -g artillery
npm i -g artillery-engine-meteor
config:
target: "ws://localhost:3000/websocket" # your app url
phases:
- duration: 60
arrivalRate: 20
engines:
meteor: {} # include meteor engine
scenarios:
- engine: "meteor" npm install -g artillery
cd system/load-test
artillery run -o artillery_report_load_test_1.json load-test.yml
artillery report artillery_report_load_test_1.json
% node examples/events/server.js
# bpftrace -p $(pgrep node) examples/events/event.bt
% npm install artillery -g
% artillery quick --duration 60 --rate 10 -n 20 http://localhost:3000/event
class Position {
constructor(movementPoints) {
this.movementPoints = movementPoints;
}
move() {
this.movementPoints -= 1
}
}
class Armament {
constructor(orientation) {
this.orientation = o let googleInvoke;
let SLS_DEBUG
SLS_DEBUG = process.env.SLS_DEBUG
process.env.SLS_DEBUG = '*'
// pretend that SLS was called.
process.argv[1] = Serverless.dirname
const serverless = new Serverless({
interactive: false,
Private Sub RefreshArtillerySelection(Min As Integer, Max As integer, Name As String)
Me.Min = Min
Me.Max = Max
Me.NameOfArty = Name
txtMinimum.Text = "Minimum Distance: " & Min
txtMaximum.Text = "Maximum Distance: Community Discussions
Trending Discussions on artillery
QUESTION
I have this SQL query: I need some sort of conditional WHERE clause if possible to use the WHERE clause on EVERYTHING except this Row Below -> $row['value_count_deaths'].
I do not want this one to be filtered and to show the whole number before being filtered. Is this possible within the same query? If so ... how?
IMG: I want to accumulate the death number after their name, must be outside WHERE clause
Focus of Code:
...ANSWER
Answered 2021-Apr-24 at 11:32A typical approach would be to use a subquery to create a flag.
Your code looks like MySQL, so this uses MySQL syntax conventions:
QUESTION
I am using very simple command to test artillery script and trying to pass variable from the command line. Command is
artillery run -v '{"var1": "value1", "var2": "value2"}' .\test\performance\applications.yml -e development
It is giving error
...ANSWER
Answered 2021-Apr-17 at 12:25Answer is found in one of the artillery forums. Inside quotes needs to be escaped. Their documentation is abysmal.
QUESTION
The goal is to make a load test of the Node.JS server on AWS.
The server should support extremely high peaks of different users per second (20K) event more. I tried a few load test tools like Artillery and LoadTest. Unfortunately didn't manage to get more than 3K VUs by setting up the Kuberense cluster of 16 cores with 64G in total. The result was less than 60 VUs per pod within 100% CPU utilization. When I tried to get at least 200 VUs on 50 pods
Probably anyone an idea of less CPU-consuming load testing tools.
...ANSWER
Answered 2021-Mar-03 at 15:00If you have only one physical (or virtual) server which doesn't scale it doesn't make a lot of sense to use container orchestration tools like k8s as it doesn't add any value and just consumes resources.
With regards to resource consumption by the load testing tool, there is a bare minimum which will always be required like:
- operating system thread footprint in memory
- request and response size
- extra resources required by the language runtime
From my previous experience Tsung provides the maximum throughput on minimal resources.
However depending on the nature of your test you might want to consider other tools, i.e. see Open Source Load Testing Tools: Which One Should You Use? article for more options.
Narrow down the tools selection to the ones which support network protocols required for your application load testing and don't forget that the majority of tools assume performance tuning.
Also don't forget that the real users don't hammer the application non-stop, they need some time to "think" between operations so first of all ensure that your virtual user behaves like a real user, it might be the case you just to need to make the workload more realistic and the current hardware/software setup will be sufficient
QUESTION
I'm using Node + Express (running locally) and connecting to a MongoDB hosted on MongoDB Atlas. My project is a behemoth that started a while back using MDN's Local Library tutorial, and it grew as I learned how to use Express, sockets, mongo, etc. So some code in it is very bad, some is less so. Now, with a mostly feature-ready product, it's having high memory usage when multiple people connect.
Using Artillery, I have 5 users/second hit my /join_session endpoint for 20 seconds. This spikes memory usage from ~35MB to ~450MB. Full disclosure, I'm terrible at reading Chrome's Node.js Devtools for memory usage. But here's what I see under system/Context:
Object Origin Distance Shallow Size Retained Size this::ConnectionPool @2726315 connection_pool.js:147 17 184 0% 351324152 79% ::Denque @3436241 index.js:6 18 56 0% 351320592 79% _list::Array @3436499 19 32 0% 351320536 79%That array has 1024 elements. Here's the statistics tab from Chrome's inspector
So it seems like mongoose's connection pool is the problem. I haven't changed my pool size, so that's the default of 5. I set up my connection in an external file that I require in App.js.
App.js
require("./mongo.js");
mongo.js
...ANSWER
Answered 2021-Mar-03 at 13:02So, as it turns out, the memory usage on the above test isn't that far off of normal. It's about 6MB per client, which isn't the worst, I just need a better server if I expect ~200 concurrent clients, and in particular I need more than the free tier of mongo cloud to serve DB requests more quickly. In production, the real memory spike I was seeing had NOTHING to do with the above. Instead, it was because I was repeatedly fetching an entire collection with ~10k records, each of which was a JSON object with props. Parsing that takes lots of memory, really fast, and will need to be the subject of a different post!
QUESTION
Edit: I realize now that I should put down at least anything for general other than 'Lmao No'. I apologize for the inconvenience and headaches I've caused... maybe. Stack Overflow is a ruthless place.
So I was typing up a bot that used a Leveling system, and when I ran the code:
Main.py
...ANSWER
Answered 2021-Feb-25 at 22:35The issue here is your general variable. In your rank function, you can see that you are equating a channel id to general, implying that general is an int.
QUESTION
I'm trying to get Redis up and running and I have the server working. When I run a load test, however, I see that every query is still going to my mongoDB instead of looking at Redis first. My Redis server terminal is this:
...ANSWER
Answered 2020-Sep-24 at 14:41I found the solution to it. Two parts are missing. First, the Redis middleware needs to have a a line that parses the JSON when it gets returned, so it should look like this:
QUESTION
It is likely realized when attempting to run larger scale tests with artillery.io that high CPU warnings will be displayed. As this technology runs a node process to drive test scenarios defined in yaml scripts, the single-core process can attempt to push so much throughput before lacking in CPU resources. A quick Google search will bring about the following result describing some features within artillery to distribute artillery scenarios across multiple cores, https://artillery.io/blog/artillery-20-preview-multicore, but unfortunately does not seem to be the case...
...ANSWER
Answered 2020-Sep-15 at 02:09By checking the test cases here. The way to enable the feature: e.g. MULTICORE=1 ARTILLERY_WORKERS=4 followed by the rest of the command to run your artillery test.
QUESTION
I am seeing this issue 100% of the attempts at building webpack for production.
I've tried the approach mentioned on the other similar StackOverflow issues which is NODE_OPTIONS=--max_old_space_size=8192
my build command is:
...ANSWER
Answered 2020-Jul-30 at 14:16If your build takes longer than 10m without output this will happen.
You can use travis_wait to print something to the console each minute, as per the docs: https://docs.travis-ci.com/user/common-build-problems/#build-times-out-because-no-output-was-received
Just travis_wait {your_command} and you should be good to go.
Be aware that your build taking longer than 10m could be a indicator of a more complicated underlying problem/freeze.
QUESTION
while ($rows=sqlsrv_fetch_array($stmt))
{
$autoincrement++;
if ($rows[1] == 'ACROBAT')
{
$rows[1] = ' '.$rows[1].' ';
}
if ($rows[1] == 'PRIEST')
{
$rows[1] = ' '.$rows[1].' ';
}
if ($rows[1] == 'SWORDMASTER')
{
$rows[1] = ' '.$rows[1].' ';
}
if ($rows[1] == 'MERCENARY')
{
$rows[1] = ' '.$rows[1].' ';
}
if ($rows[1] == 'ALCHEMIST')
{
$rows[1] = ' '.$rows[1].' ';
}
echo
'
'.$autoincrement.'
'.$rows[0].'
'.$rows[1].'
'.$rows[2].'
';
}
ANSWER
Answered 2020-Jul-14 at 01:26Answer is that you are not able to change SQL results through an associative array. The way to get my desired result was to fix up the SQL query itself and display the image through the database.
QUESTION
I decided to try and code ballistic computer. Below is the code i've put together that takes the muzzle velocity, the distance and the elevation bearing of a target and outputs the required angle to shoot so that a shell fired will collide at the desired location. Currently i'm suffering with an error in the second last line and i have no clue how to ammend this error. Any help at all would be appreciated.
...ANSWER
Answered 2020-Jun-30 at 17:56Use this instead:
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