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Questions tagged [celluloid]

Actor-based concurrent object framework for Ruby

Celluloid is a concurrent object oriented programming framework for Ruby which lets you build multithreaded programs out of concurrent objects just as easily as you build sequential programs out of regular objects

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Getting Error "LoadError: cannot load such file -- celluloid/current" while running rake db:create on ubuntu 20.04

I am trying to setup new project which is in rails 6. When I am trying to create DB by running rake db:create, it gives me below error. Here is the complete trace. rake aborted! LoadError: cannot load such file --…
Rakesh
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Delay in processing more requests/sec

I have a JRuby application using celluloid. It receives requests through Zeromq socket and responds with JSON string. So, There are 2 actors in my application one for processing requests and another for sending a response(Push socket in…
Pandurang Waghulde
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Accessing mailbox for actor initialised through pool in Celluloid

I have 2 actors in my app. Service and PushSocket. I am using mailbox for communication between two actors Service and PushSocket. It works well when I just create single instance on PushSocket and add message to it's mailbox. **File:…
Pandurang Waghulde
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Running code asynchronously inside pollers

In my ruby script,I am using celluloid-zmq gem. where I am trying to run evaluate_response asynchronously inside pollers using, async.evaluate_response(socket.read_multipart) But if I remove sleep from loop, somehow thats not working out, It is…
Pandurang Waghulde
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Proper use of sockets and/or Celluloid::IO

I have a Pinoccio microcontroller (absolutely awesome, try them). The microcontroller opens a socket to it's server. I am writing that TCP Socket server in a Ruby application, in which I will use Celluloid::IO. As my guide, I am following this…
roder
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celluloid task was terminated

When using Guard, I get the following error when running bundle exec guard under cygwin. I can't seem to find much on this error other than this issue: stack level too deep (SystemStackError) · Issue #172 · guard/listen · GitHub Does anybody know…
IKY.LI
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Proper way to maintain many connections with Celluloid?

I am currently working on an application that pulls mail from many IMAP mailboxes. It seems like Celluloid is a goot fit for this part, but I'm unsure on how to employ actors. The application will be run in a distributed fashion. There are x…
Martijn
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Process.spawn hanging

I'm using Celluloid to create a job processing server. I have a pool of workers that take a task from a beanstalkd queue and process it by using Process.spawn to call a PHP script that does a bunch of work. Here's how I'm executing the PHP…
chroder
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Animations in python using celluloid

I was trying the first simple animation from this page. I am clearly a beginner at making animations. I paste the code below. from matplotlib import pyplot as plt from celluloid import Camera fig = plt.figure() camera = Camera(fig) for i in…
sreeram
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how to successfully mock Celluloid with rspec

Well, I'm exhausted. Exhausted in a sense run out of options. We have Supervisor that manage an actor(s). supervisor = Celluloid::SupervisionGroup.run! airbrake = supervisor.pool(Flango::AirbrakeActor, as: :airbrake_actor, size: 1) All I need to…
Ratatouille
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Ruby - Concurrent multiple async Non-Blocking HTTP IO with EventMachine/Celluloid

I am using a puma server for a service that aggregates responses from 14 HTTP Client requests. I have some dependency between the requests, but they can be paralleled in some level. Each request can take 1.8s seconds while the ruby/cpu time is only…
naviram
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Ruby Celluloid "environment"

I am very new to Celluloid, but I don't understand why, in my Rails app, my futures loose the current locale: puts "locale OUTSIDE #{I18n.locale}" data.map do |item| Celluloid::Future.new { puts "locale INSIDE #{I18n.locale}"; serialize_item(item)…
masciugo
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require 'celluloid' takes a long time to load

I have a JRuby application deployed on Google compute engine. I noticed that it takes a while to load the celluloid gem. After looking into more details, I found that it is taking more time to load celluloid/internals/stack. Usually, it takes more…
Pandurang Waghulde
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How to use celluloid and ActiveRecord

I am using celluloid to perform some jobs in the background, some of the jobs are using the DB and for that I use the below code in a cell(actor): ActiveRecord::Base.connection_pool.with_connection do User.find(123) end In some cases I have some…
user2502761
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Celluloid SupervisionGroup does not work

I write the following script in order to understand Celluloid. require 'celluloid/current' class Processor include Celluloid def perfom(number) puts "#{number} ... (#{Thread.current}) ..." sleep(number%3) puts "Launch finish!" …
Naremy
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