Re: [nodejs] Re: child_process and scaling

goes well, too. >> >> testing, testing, testing. Hope I'm not too boring with it. >> >> >> On Fri, May 20, 2016 at 11:33 PM, Ω Alisson <thelinuxl...@gmail.com> >> wrote: >> >>> Interesting. I wonder if it is better to use phantomjs for the

Re: [nodejs] Re: child_process and scaling

Interesting. I wonder if it is better to use phantomjs for the PNG rendering. Although it is slower, I don't need child_process On Fri, May 20, 2016 at 5:42 PM Zlatko wrote: > You have multiple things there. Thousands requests (per second, I assume) > is a lot even without

[nodejs] child_process and scaling

I need to develop a service where the user sends an array of values, I generate a chart with d3.js and convert it to png with a child_process calling imagemagick to send it back to the user. Are there any caveats for child_process when scaling for thousands of requests? -- Job board:

Re: [nodejs] ThinkJS 2.1: Supports TypeScript, and 90% Faster

Interesting I wonder what would be the comparison to Koa 2.0 Alpha On Fri, Jan 22, 2016 at 1:26 AM Welefen Li wrote: > ThinkJS 2.0 is the first Node.js framework that fully supports all new > ES2015/ES2016 syntax, and it was released on Oct 30 2015. By using the new > syntax

Re: [nodejs] Re: What is the cost of increasing max_inlined_source_size

I raised the limit to 6 million characters on a complex system. No memory increase, huge boosts On Mon, Oct 19, 2015 at 1:31 AM Michael Mathy wrote: > Maybe. It might also hurt in a bad way. The compiler will try to inline > almost all functions (assuming that

[nodejs] What is the cost of increasing max_inlined_source_size

Say I want to increase it to 5000. Is it worth it? -- Job board: http://jobs.nodejs.org/ New group rules: https://gist.github.com/othiym23/9886289#file-moderation-policy-md Old group rules: https://github.com/joyent/node/wiki/Mailing-List-Posting-Guidelines --- You received this message

[nodejs] Node.js fails on large query strings?

I'm using Node.js under nginx load balancer. Everything runs fine but a large query string brings status 502 and I can see on nginx error logs this stuff: upstream prematurely closed connection while reading response header from upstream no live upstreams while connecting to upstream On node.js

Re: [nodejs] Re: Interesting for maybe delegating JSON.parse to another language

It's just that Node chokes with big JSON payloads and all async json parsers are cumbersome to use On Thu, May 28, 2015 at 4:21 AM, Dave Horton d...@dchorton.com wrote: I had some luck using jansson (https://github.com/akheron/jansson) in my C/C++ program for parsing / formatting JSON. Not

[nodejs] Interesting for maybe delegating JSON.parse to another language

https://github.com/kostya/benchmarks/tree/master/json -- Job board: http://jobs.nodejs.org/ New group rules: https://gist.github.com/othiym23/9886289#file-moderation-policy-md Old group rules: https://github.com/joyent/node/wiki/Mailing-List-Posting-Guidelines --- You received this message

Re: [nodejs] Node Cluster and context switching

is generally written in JS it can easily become a bottleneck while your other cores that aren't running your JS are mostly idle. ~Ryan On Mon, 18 May 2015 at 21:04 Ω Alisson thelinuxl...@gmail.com wrote: I see many articles saying to spawn workes equal to CPU cores, but what about context

[nodejs] Node Cluster and context switching

I see many articles saying to spawn workes equal to CPU cores, but what about context switching cost? -- Job board: http://jobs.nodejs.org/ New group rules: https://gist.github.com/othiym23/9886289#file-moderation-policy-md Old group rules:

[nodejs] V8 deoptimizations

Does anyone knows if the V8 engine on latest io.js still deoptimizes generators, const and let? -- Job board: http://jobs.nodejs.org/ New group rules: https://gist.github.com/othiym23/9886289#file-moderation-policy-md Old group rules:

[nodejs] Rust and Node integration

Looking at this example: https://github.com/alexcrichton/rust-ffi-examples/tree/master/node-to-rust Are there any caveats to using node ffi async support to delegate heavy cpu work to rust code? -- Job board: http://jobs.nodejs.org/ New group rules:

[nodejs] About Rust and Node integration

https://github.com/alexcrichton/rust-ffi-examples/tree/master/node-to-rust -- Job board: http://jobs.nodejs.org/ New group rules: https://gist.github.com/othiym23/9886289#file-moderation-policy-md Old group rules: https://github.com/joyent/node/wiki/Mailing-List-Posting-Guidelines --- You

Re: [nodejs] Cluster question

you mean sprinkling one-off process.nextTick() calls throughout your code so that a check is queued at least once per event loop tick? ~Ryan On Tue, Dec 16, 2014 at 7:39 PM, Ω Alisson thelinuxl...@gmail.com wrote: Well I did it and the CPU is running at 0.2% On Tue, Dec 16, 2014 at 11:22 PM

[nodejs] Trouble with worker process

So I'm doing my cluster exactly like this gist: https://gist.github.com/dickeyxxx/0f535be1ada0ea964cae but whenever the service is stopped, the worker doesn't receive any message, inside its file, I'm using process.on(message), but nothing is coming from the master -- Job board:

Re: [nodejs] Cluster question

Well I did it and the CPU is running at 0.2% On Tue, Dec 16, 2014 at 11:22 PM, Sam Roberts s...@strongloop.com wrote: On Wed, Dec 10, 2014 at 8:15 PM, Ω Alisson thelinuxl...@gmail.com wrote: Interesting Sam, but what if I set a flag that is checked every process.nextTick You will eat 100

Re: [nodejs] Cluster question

Interesting Sam, but what if I set a flag that is checked every process.nextTick and suspends redis updates, so what's left is finishing iterating over in-memory items? On Wed, Dec 10, 2014 at 8:47 PM, Sam Roberts s...@strongloop.com wrote: On Monday, December 8, 2014 at 3:47 PM, Ω Alisson

Re: [nodejs] Cluster question

-suite/loopback/ On Monday, December 8, 2014 at 3:47 PM, Ω Alisson wrote: I'm running a Node app that fetches Redis data into another database. It´s using the cluster module, everything works fine but I need to ensure that workers will finish properly their jobs(they use BRPOP then allocate

[nodejs] Cluster question

I'm running a Node app that fetches Redis data into another database. It´s using the cluster module, everything works fine but I need to ensure that workers will finish properly their jobs(they use BRPOP then allocate into a object then insert in batches cleaning the objects), how do I do this?

[nodejs] Job queue for Node.js

Does anyone knows a good job queue that has atomicity and scheduled jobs? -- Job board: http://jobs.nodejs.org/ New group rules: https://gist.github.com/othiym23/9886289#file-moderation-policy-md Old group rules: https://github.com/joyent/node/wiki/Mailing-List-Posting-Guidelines --- You

Re: [nodejs] Re: Job queue for Node.js

It is very nice, but it doesn't seem to delegate the job processing to other servers, or am I wrong? On Tue, Nov 11, 2014 at 1:45 AM, Sameer Joshi sameer.joshi7...@gmail.com wrote: I have used Agenda which is backed with MongoDB. That has served my purpose. There is also an AgendaUI package

Re: [nodejs] Re: Job queue for Node.js

Andrew, is your implementation atomic? On Tue, Nov 11, 2014 at 2:35 AM, Andrew Kelley superjo...@gmail.com wrote: On Monday, November 10, 2014 5:13:09 PM UTC-7, Alisson Cavalcante Agiani wrote: Does anyone knows a good job queue that has atomicity and scheduled jobs? Here's one:

Re: [nodejs] Re: javascript callback guard - prevents a callback to be called twice

How do people stumble upon this kind of error? On Thu, Aug 21, 2014 at 3:24 PM, Alexey Petrushin alexey.petrus...@gmail.com wrote: In my understanding the problem is not that it's not possible to prevent callback from being called twice, with underscore it's as simple as `cb = _(cb).once()`

Re: [nodejs] Re: How do you guys handle request spam?

Found this: http://nginx.org/en/docs/http/ngx_http_limit_req_module.html Thanks! On Thu, Jul 3, 2014 at 6:48 PM, mscdex msc...@gmail.com wrote: There's also: https://github.com/diosney/node-netfilter -- Job board: http://jobs.nodejs.org/ New group rules:

[nodejs] How do you guys handle request spam?

So that a malicious user gets blocked for some time(maybe with HTTP 429) when it hits a request limit in a predefined duration -- Job board: http://jobs.nodejs.org/ New group rules: https://gist.github.com/othiym23/9886289#file-moderation-policy-md Old group rules:

Re: [nodejs] Announcing: Abraxas- A new Gearman client/worker/admin library

This is awesome! On Mon, Jun 30, 2014 at 11:19 AM, Rebecca Turner m...@re-becca.org wrote: Abraxas is a end-to-end streaming Gearman client and worker library. (Server implementation coming soon.) https://www.npmjs.org/package/abraxas Standout features: * Support for workers handling