Signaling can be challenging regardless of industry or technology. In this episode of The Drift, Jason untangles a kubernetes default conflicting with an NGINX standard as it relates to graceful shutdown of containers.

(music by Jake Rahm)

FEATURE - NGINX Ingress Signal Crossing - The Drift - Ep 6 - Mar 30, 2023

Nginx Nginx: 413 Request Entity Too Large

 😲⚠️📌👉 👈📌⚠️😲 DOWNLOAD https://t.co/YiVUGy4phq


UPDATE2: with
grep -ri client_max_body_size /etc/nginx/
I found that the site specific config file in /etc/nginx/sites-available/ still contained a smaller value for client_max_body_size - adapted that to something large enough and restarted nginx again - now the error is gone, nice one!


When the web server is set to restrict large file sizes, it can cause the 413 error request entity too large. NGINX has 
client_max_body_size
 to allow the maximum size of the client request body. If the request exceeds the value, an error message emerges. That means we need to reconfigure NGINX to allow the size we want for uploading files.


After that, you can add the following lines in 
nginx.conf
 as shown in the example below. It sets the maximum body size of a client request that the server allows. So, make sure you put the right number as your maximum size.


The "413 Request Entity Too Large" error occurs when the size of a client's request exceeds the server's file size limit. This error typically happens if you attempt to upload an overly large file. The server responds with a 413 error message to indicate that the entity being sent is too large.


The cause of this issue was that nginx was limiting the max body size request to 1M and it seems to inspect Content-Length header before receiving the full request. If it exceeds 1M, it returns a 413 error. See client_max_body_size for more info.


This error message is created by an nginx server, but Kibana isn't using nginx. It looks like you have a nginx reverse proxy in front of your Kibana instance. Make sure to configure it in the same way (allowing large request bodies).


This has been discussed before (e.g., -request-error-while-using-shiny), where the suggested solution is to add
options(shiny.maxRequestSize = 9000*1024^2)
to the code. But this doesn't solve the issue. It's the nginx that is causing the issue, and according to a comment on the SO, client_max_body_size needs to also be changed. How can I do this on my app?
I have attached a screenshot of my app just in case.
47%20PM1632×922 152 KB


The solution is to increase the client request size body by the 
client_max_body_size
 parameter in nginx.conf file. Following is the description of the 
client_max_body_size
 parameter. The default value is 1MB and you can set this to an HTTP, server or location contexts.


Sets buffer size for reading client request body. In case the request body is larger than the buffer, the whole body or only its part is written to a temporary file. By default, buffer size is equal to two memory pages. This is 8K on x86, other 32-bit platforms, and x86-64. It is usually 16K on other 64-bit platforms.





If this happens then your web server will fail to upload the file and you notice the 413 request entity too large error. In most cases the WordPress hosting providers have their servers configured so that it is easy for you to upload large images and other media.


@dblythy @davimacedo @Amir Going through this exact issue,
Uploading larger files failing in dashboard, s3 enabled, nginx reverse proxy enabled, max_upload_size 500M, nginx client_max_body_size 500M
ParseError: 100 XMLHttpRequest failed: Unable to connect to the Parse API
& Timeout error on inspect elements, nb smaller file uploading is working


I have spent alot of time looking through posts online to try and help solve my issue "413 request entity too large" I've tried a few fixes and am still struggling... My skills are very limited so i need very basic instructions to help me make changes.


Hey,

i had the exact same problem with the same setup. For me the solution was:

Changing the client_max_body_size values in mnt/user/appdata/nextcloud/nginx/nginx.co

Nginx Nginx: 413 Request Entity Too Large

In episode 40 of The Kubelist Podcast, Marc and Benjie speak with open source pioneer Dave McAllister. Dave shares stories and lessons from his 40-year career in tech including working for DEC, NASA, Adobe, Red Hat, Splunk, and NGINX. Additionally, they discuss Linux’s rise to popularity in the early days of open source, SGI’s contribution to modern cinematic effects, predictions around AI, and the overlap of open source and LLMs.

Subscribe

The Kubelist Podcast - Ep. #40, The Open Source Secret Agent with Dave McAllister of NGINX

​I'm building my app, I need it fast,
No time for downtime, it’s gotta last,
I need a beast that can take the heat,
NGINX, you make that server scream!
Handling traffic like a speeding train,
No vulnerabilities, no pain,
React app blazing, no time to waste,
You make it load in record pace!
NGINX, yeah, you’re rockin’ my app,
Serving it hot, right off the rack,
Fast and clean, you never fall,
With you, I’m crushin’ it all!
No holes, no breaks, no security flaws,
NGINX, you’ve got the cause!
Load me up, balance me right,
With NGINX, we’re takin’ flight! \m/
Static files, you’ve got ‘em handled,
Faster than a fuse that’s been lit and scrambled,
Compression kickin’ in, lighter than air,
Gzip the payload, like it’s never there!
Caching king, you rule the land,
My React app’s faster than a shredding hand,
I trust in you, no need to doubt,
NGINX, you’re what it’s all about!
NGINX, yeah, you’re rockin’ my app,
Serving it hot, right off the rack,
Fast and clean, you never fall,
With you, I’m crushin’ it all!
No holes, no breaks, no security flaws,
NGINX, you’ve got the cause!
Load me up, balance me right,
With NGINX, we’re takin’ flight! \m/
No downtime, no delay,
With NGINX, we’re here to slay,
Speed’s the name, and we’re the game,
This server’s rockin’ like a hurricane!
No vulnerabilities, no compromise,
NGINX stands tall, I rise,
Rock-solid, secure and mean,
This app is powered by the fastest machine!
NGINX, yeah, you’re rockin’ my app,
Serving it hot, right off the rack,
Fast and clean, you never fall,
With you, I’m crushin’ it all!
No holes, no breaks, no security flaws,
NGINX, you’ve got the cause!
Load me up, balance me right,
With NGINX, we’re takin’ flight! \m/

nginx is fast

Welcome to WebAssembly Unleashed with hosts Joel Moses, Oscar Spencer, and Matt Yacobucci. Join us to discover who’s recently experienced impressive performance improvements using WebAssembly, how maple whiskey is related to Wasm runtimes, and what is the process of innovation.  This month our special guest, Matt Butcher, CEO of Fermyon, shares his incredible journey through the tech industry, his insights on WebAssembly's potential to revolutionize cloud computing, and the innovative work Fermyon is doing with Spin. Explore the evolution from startup to large-scale enterprise and gain valuable perspectives on community building and technological advancements.
  
Chapters:
00:00 Introduction to WebAssembly Unleashed
00:49 Firefox's WebAssembly Performance Boost: https://www.howtogeek.com/firefox-75x-faster-running-webassembly/
01:59 Excitement for Upcoming Community Group Events
02:19 Interview with Matt Butcher: Background and Fermyon
05:22 The Birth of WebAssembly at Microsoft
10:01 Wasm Runtime From Browser to Server 
16:38 Deis Labs Projects and the Pattern of Innovation 
20:04 Failed Projects and Lessons Learned
22:04 Career Journey: From Hewlett Packard to Fermyon
22:21 The Vision Behind Fermyon
24:11 WebAssembly and Cloud Efficiency
27:39 The Birth of Fermyon
31:26 Community Building and Challenges
39:27 What led to Spin?
43:05 Conclusion and Final Thoughts
Episode 5 w/Gilad Bracha: https://youtu.be/BQjTShpa8VM?si=DMDyh5U--BaQ_FGE

For more from F5's Office of the CTO visit the following sites: 
Blogs - https://www.f5.com/company/octo
Reports - https://www.f5.com/services/resources/reports
  
Meet Your Hosts:
Joel Moses | https://www.linkedin.com/in/joelmoses/ | https://community.f5.com/t5/user/viewprofilepage/user-id/398372
Oscar Spencer | https://twitter.com/oscar_spen | https://www.linkedin.com/in/oscarspen/
Matthew Yacobucci | https://www.linkedin.com/in/matthew-yacobucci-323b4b2/

Turning Wasm Research Passions into a Business – Ep 12 – WebAssembly Unleashed

Evgeniy Kharam has been developing his soft skills in the technology industry over the last 2 decades after realizing early on that it helped him bridge the gap between engineering and business. This helped him rise in his career. He took the time to document his learnings in his book, Architecting Success: The Art of Soft Skills in Technical Sales.

He joins Buu to talk about the importance of soft skills and how to approach building the skills needed if you're looking to grow your impact.

For more information, visit Evgeniy's website: https://www.softskillstech.ca/

Or connect with him here: https://www.linkedin.com/in/ekharam/

DevCentral Connects - Why technologists need soft skills w/Evgeniy Kharam

Join hosts Joel Moses, Oscar Spencer, and Matthew Yacobucci as they take a retrospective look at WebAssembly's exciting developments from 2024 and share their insightful predictions for 2025. This special episode covers groundbreaking advancements in WebAssembly core technology, the WASI ecosystem, and highlights notable progress from previous guests like Bailey Hayes, Pat Hickey, Chris Dickinson, and more. Discover the evolving trends in WebAssembly, its increasing adoption in production, and what the future holds for this transformative technology. Don't miss our rundown of core WebAssembly updates, the rise of server-side applications, and expert commentary on what's next for WASI and WebAssembly in AI and security workloads. Unleash the power and promise of WebAssembly with us!

Chapters: 
00:00 Welcome to WebAssembly Unleashed
00:39 Reflecting on a Year of WebAssembly
01:30 Updates from Past Guests
03:02 Core WebAssembly Developments: Garbage Collection, Memory64, and more…
06:06 WASI's Banner Year
10:08 WASI Preview 3
15:47 Community Trends and Developments
23:49 Predictions for 2025
	
For more from F5's Office of the CTO visit the following sites: 
Blogs -  https://www.f5.com/company/octo
Reports -  https://www.f5.com/services/resources/reports

Meet Your Hosts:
Joel Moses | www.linkedin.com/in/joelmoses/ | community.f5.com/t5/user/viewprof…e/user-id/398372
Oscar Spencer | twitter.com/oscar_spen | www.linkedin.com/in/oscarspen/
Matthew Yacobucci | www.linkedin.com/in/matthew-yacobucci-323b4b2/

State of WebAssembly 2025 | Ep 15 | WebAssembly Unleashed

Join hosts Joel Moses, Oscar Spencer, and Matthew Yacobucci  as they discuss recent WebAssembly advancements, such as data science in browsers with WebR, LibreOffice now running as ZetaOffice, and a unique case study from Dagger.IO on replacing a React front end with Go and WebAssembly. The team is joined by special guest, journalist and analyst Bruce Gain, who shares his insights on the impact of WebAssembly in gaming and its applications in various industries. Topics include performance benchmarking, the evolution of WebAssembly, and its potential tipping points for mainstream media attention. Tune in for an engaging conversation about the future of WebAssembly and its broader implications.
 
Chapters: 
00:00 Welcome to WebAssembly Unleashed
00:57 Exciting WebAssembly Developments
02:38 Oscar's Insights from the Wasm Community
04:28 Special Guest: Analyst and Journalist Bruce Gain
05:22 WebAssembly in Gaming
09:16 Future of Gaming with WebAssembly
13:03 Media Perspective on WebAssembly
15:08 WebAssembly Garners Media Attention 
19:06 What can WebAssembly do to create a media tipping point?
21:36 Security Implications of WebAssembly
24:04 AI and WebAssembly: A Synergistic Future
28:40 ReveCom Project and Benchmarking Efforts
34:16 Future of WebAssembly in Media and Technology
 
Read more on recent developments discussed by the hosts:
Replacing React with Go: https://dagger.io/blog/replaced-react-with-go
R in the Browser: https://blog.jupyter.org/r-in-the-browser-announcing-our-webassembly-distribution-9450e9539ed5
LibreOffice built for the Wasm runtime: https://www.theregister.com/2025/02/13/libreoffice_wasm_zetaoffice/ ; https://zetaoffice.net/
 
For more from F5's Office of the CTO visit the following sites: 
Blogs -  https://www.f5.com/company/octo
Reports -  https://www.f5.com/services/resources/reports

Meet Your Hosts:
Joel Moses | www.linkedin.com/in/joelmoses/ | community.f5.com/t5/user/viewprof…e/user-id/398372
Oscar Spencer | twitter.com/oscar_spen | www.linkedin.com/in/oscarspen/
Matthew Yacobucci | www.linkedin.com/in/matthew-yacobucci-323b4b2/

The Analyst's View of Wasm | Ep 16 | WebAssembly Unleashed

Join Joel Moses, Oscar Spencer, and Matt Yacobucci as they discuss the latest news and recent developments in WebAssembly, such as Zig 0.140 and projects like running Linux inside a PDF file. This episode features special guest Nick Fitzgerald, a notable contributor to WasmTime and CraneLift, who explains the concept of garbage collection in programming. The discussion covers  garbage collection in the context of WebAssembly, diving into algorithms, their implications, and challenges in implementation. They also touch upon the future of WebAssembly in embedded systems and the broader applications of these technologies in various programming languages like Java and Python. Don't miss this engaging and informative episode!
	
Chapters: 
00:00 Welcome to WebAssembly Unleashed
00:57 What's interesting this week in WebAssembly? 
02:12 Linux PDF: A WebAssembly Feat
03:29 Understanding Garbage Collection with guest Nick Fitzgerald
05:20 Reference Counting vs Tracing Garbage Collection
	A Unified Theory of Garbage Collection paper: https://courses.cs.washington.edu/courses/cse590p/05au/p50-bacon.pdf
7:22 What's driving the push to get GC into WebAssembly right now?
10:25 What makes Garbage Collection implementation so difficult?
12:09 Challenges in Garbage Collection Implementation
15:19 Are you bound by the language runtime GC or by the Wasm runtime?
19:32 Challenges in Type Systems Implementation
22:59 Object-Oriented Hierarchies and Python
24:34 Garbage Collection Proposal Insights
31:35 Will the end users have extra work?
32:50 Can GC help with Ahead of time Compiling?
35:11 Fuzz Testing and Bug Fixing
36:05 Custom Page Size Proposal
38:03 Future of Garbage Collection Algorithms
	
Did you miss the WebAssembly Unleashed episode with Gilad Bracha? Check it out here:
What WebAssembly can learn from JAVA’s history | Ep5 | WebAssembly Unleashed https://youtu.be/BQjTShpa8VM?si=S4sHWZeRqVIbCdn_
	
For more from F5's Office of the CTO visit the following sites: 
Blogs -  https://www.f5.com/company/octo
Reports -  https://www.f5.com/services/resources/reports
	
Meet Your Hosts: 
Joel Moses | https://www.linkedin.com/in/joelmoses/ | https://community.f5.com/users/joel_moses/398372 
Oscar Spencer | https://twitter.com/oscar_spen | https://www.linkedin.com/in/oscarspen/ 
Matthew Yacobucci | https://www.linkedin.com/in/matthew-yacobucci-323b4b2/


The Future of WebAssembly Garbage Collection | Ep 17 | WebAssembly Unleashed

Join hosts Joel Moses, Oscar Spencer, and Matt Yacobucci as they dive deep into the world of formal verification with special guest Chris Fallin. In this episode of WebAssembly Unleashed, the team discusses the importance of formal verification in software development, particularly for WebAssembly. Chris, a co-author of the Cranelift compiler and Mozilla alum, explains the concept of formal verification, its significance, and how it can be applied to ensure software correctness and security. The conversation covers a range of topics including type safety, the use of SMT solvers, the challenges in formally verifying compilers, and the potential role of AI in generating formally verified code. Don't miss this insightful discussion if you're keen to learn about cutting-edge techniques to make software more reliable and secure.

00:00 Welcome to WebAssembly Unleashed
00:57 Community Updates
01:41 Guest Introduction: Chris Fallin
02:18 What is formal verification and why is it important?
03:10 Formal Verification in WebAssembly
06:28 Challenges and Real-World Applications
07:52 Tools and Techniques for Verification
20:22 Future Directions and Broader Implications
28:21 AI and Formal Verification
30:44 Lack of Formal Verification Consequences

Did you miss the WebAssembly Unleashed episode 16 with Bruce Gain? Check it out here: https://youtu.be/Gjd8l1Sz9qY?si=QGixwObXJgvex9DS

For more from F5's Office of the CTO visit the following sites: 
Blogs -  https://www.f5.com/company/octo
Reports -  https://www.f5.com/services/resources/reports

Meet Your Hosts: 
Joel Moses | https://www.linkedin.com/in/joelmoses/ | https://community.f5.com/users/joel_moses/398372 
Oscar Spencer | https://twitter.com/oscar_spen | https://www.linkedin.com/in/oscarspen/ 
Matthew Yacobucci | https://www.linkedin.com/in/matthew-yacobucci-323b4b2/

Unlocking the Secrets of Formal Verification in WebAssembly | Ep 19 | WebAssembly Unleashed

DevCentral is F5's online Community of Technical Peers dedicated to learning, exchanging ideas, and solving problems – Together.

We host audio podcasts created by our Community, for our Community.

Heavybit is the leading early-stage investor in enterprise infrastructure. Since 2013, we've helped launch and scale visionary technical startups—from DevSecOps and feature flagging to AI code generation and beyond. We go hands-on from day 0, backing founders as they turn code into companies and build the future of software from the bottom up to the top down.

New tracks tagged #NGINX