We’ll also be using Unicorn in both development and production. If you generate a random string or encode the hash of a cookie or another value that captures the client's state, you can validate the response to additionally ensure that the request. The timeout value used for socket read operations. js jade JavaScript jQuery js lean startup markdown mongo MongoDB Node node. This is the place to post completed Scripts/Snippets that you can ask for people to help optimize your code or just share what you have made (large or small). Nginx configuration. It includes built-in type casting, validation, query building, business logic hooks and more, out of the box. js framework, and a reference of a few of the most robust community adapters out there. { # fail_timeout=0 means. Log Analysis / Log Management by Loggly: the world's most popular log analysis & monitoring in the cloud. This should only be necessary as a last. In the end, my file gets uploaded, so all I need is for that response to proceed to my client app before the timeout response is sent. While installing Heroku CLI there's a command I encountered. Unavailable hosts should be invalidated by the load balancer only after the MarkLogic host timeout. 1 #4750 mhoanghold opened this issue Oct 28, 2015 · 27 comments Comments. Polling Timeout, below, sets the maximum amount of time to wait. To increase performance, tuning or a faster machine is required. Blitz's default timeout is 1 second which is not a lot for web applications under heavy load, you can increase it up to 20 seconds just to be safe. When the first of these customers hit their reports, they timed out. hhast-migrate --instanceof-is can be used in HHAST 4. In Impala documentation, it is mentioned that Impala shares the same user interface with Apache Hive (Hue Beeswax). Recently I have been migrating a Rails application to Heroku. Timeout_x is the variable you are looking for in the wsdl2apex generated code. That’s why our top-performing clients are beating industry benchmarks across the board. With Go’s speed and efficiency, this tool really stands out when it comes to mass-testing. Tailor your resume by picking relevant responsibilities from the examples below and then add your accomplishments. The Best Tech Newsletter Anywhere. Using CircleCI. Usage var sleep = require('sleep'); sleep. The header fields are transmitted after the request line (in case of a request HTTP message) or the response line (in case of a response HTTP message), which is the first line of a message. We'll also be using Unicorn in both development and production. Still, from previous performance testing on Heroku sometimes a shorter queue length is warranted (DO YOUR OWN TESTING!). You can increase the PM2 waiting time the listen using the same variable as --wait-ready graceful start : listen_timeout entry in process file or --listen-timeout=XXXX via CLI. It's a 30-60-90 triangle and the vertical leg is 200 lbs. Docker Enterprise is the easiest and fastest way to use containers and Kubernetes at scale and delivers the fastest time to production for modern applications, securely running them from hybrid cloud to the edge. You may see a timeout error, but your app should succeed in starting on its next attempt. This defaults to :linux, and Vagrant will auto-detect the proper distro. 84K in savings a year? Yup, that's how much we managed to save this one company by migrating their app from Heroku over to AWS and reconfiguring their code - all because we were fine tuning performance. You have probably seen this page many times before if you are a frequent Heroku user. Redirecting and Chunking Around Heroku’s 30 Second Request Timeout June 2, 2015 by James Ward In most cases a web request shouldn’t take more than 30 seconds to return a response so it is for good reason that Heroku has a 30 second request timeout. DESCRIPTION. This command repurposes package-lock. With Go's speed and efficiency, this tool really stands out when it comes to mass-testing. See Slow Trains in MongoDB and Node. This can help a lot in system administration, e. When connection pooling has been enabled and no pooled connection is available, the client application will block, waiting for an available connection. Here are a few essential tips learned from building, and helping our customers build, apps around Postgres. Try for FREE. Setting the value to 0 disables server socket timeout. The Best Tech Newsletter Anywhere. Based on the concept of a project object model (POM), Maven can manage a project's build, reporting and documentation from a central piece of information. Author posted by Jitendra on Posted on February 7, 2011 under category Categories JSP, Servlet and tagged as Tags J2EE with Leave a comment on Setting Session Timeout in JSP Servlet How to set the Session Time out in JSP and Servlet. So here is the code:. At least within Postgres you can do it on a per session basis by running: [code]SET statement_timeout = '100'; [/code]You can also update the statement_timeout value in your Postgresql. We recently decided to enable it by default for all new databases. Inside Python’s plethora of features, the language supports a multitude of synchronization primitives. Ruby should be no exception. Length Required. The timeout is there in order to guard against any issues that may result in a stuck build. Sadly, I have to consume an endpoint that takes about 60 seconds to respond. 2- Increase the timeout to allow more time to complete the really tough rendering parts. logical_replication parameter when you are using logical slots. Edit Page Available database adapters. This will install Datasette in the. NET Entity Framework, OData and WCF Data Services, SQL Server 2008+, and Visual Studio. A query string that specifies connection specific options as = pairs. This post presents how the Tomcat JDBC Connection Pool is configured in development and production for Podcastpedia. Use the setTimeout method on the HttpRequest to increase the timeout of the callout. But after further research, it seems that this sessions timeout is getting ignored. Use AWS CodeDeploy to perform an sequential deployment (one after another). The maximum number is not limited by Postgres itself, but by available system resources. The Heroku platform is designed to maximize developer productivity and provide a great developer experience, from an app’s first build to production and beyond. If that doesn't solve the problem, go to https://help. That's what we're going to use. if you want to use a different package index (--index-url) and set the HTTP timeout (--default-timeout) to 60 seconds your config file would look like this:. JEST: "Async callback was not invoked within the 5000ms timeout specified by jest. There's currently no way to increase this boot timeout, but we can beat it with a proxy implemented by our new heroku-forward gem. Getting more traffic than your site was built to handle, almost always triggers a 503. Inside Python’s plethora of features, the language supports a multitude of synchronization primitives. Heroku has maximum limit of 30 second for response to return the first byte and it is not configurable, so you can't increase it further. Search the history of over 373 billion web pages on the Internet. I have also bought a domain name from godaddy. In cloud environments like Heroku there's a platform-wide timeout for graceful termination. See also authSource. If the process didn’t exit, Heroku will kill it in the hard way. Connecting to the Database. There are many sites offer themes/themers for i3, like unix121's themer. The job failed, likely due to a timeout, and it could not try again as it was unable to drop the collections in the destination database. So, now that Heroku has a secure base image with suitable tools, and it has your application code, it runs a buildpack to determine exactly what needs to be done to set up your code to run. In the Q&A forums you can ask your own question and let somebody help you. Installation is done using the npm install command:. Working with our support team, I often see customers having timeout problems. As part of this focus, Heroku extends the platform with a range of tools that support modern development practices, such as continuous delivery. But we can see the specifics of the error, by digging into Heroku's logging system. You're using an out-of-date version of Internet Explorer. Heroku’s timeout is completely non-negotiable and probably rightly so. There is an option in the app's settings that allows you to remove the notification buttons if you want a smaller notification. If unchecked, the deployment will be handed off to AWS CodeDeploy and the build will move on to the next step. setTimeout(2 * 60 * 1000); PS With the clarification that the desire is to make the web service call after a 2 minute delay I suggest you experiment with this Need System. Please let me know , if you have come accross anything to resolve this. It's free to sign up and bid on jobs. Image source: Heroku's Python Haiku Art. The job failed, likely due to a timeout, and it could not try again as it was unable to drop the collections in the destination database. The timeout is there in order to guard against any issues that may result in a stuck build. Our company has session timeout value for 2 hours as shown below. Your all in one solution to grow online. 30 seconds is a really long time to wait to retry a connection when you are on AWS and your file is on S3. This web app needs a lot of computing power and access to several external APIs during short time periods, and nothing at all if there is no activity from users. -timeout is the seconds to wait before timeout connection (Default: 10 seconds). Is there anyway as admin to increase the timeout of Word, Excel, PP or OneNote (online versions)? We have many people, especially in OneNote using the online version and by it's nature, note taking, is often kicked out due to timeout and we need a way to increase (or remove) the timeout for our accounts. because these are things that we have no control over, they can lead to inconsistent and surprising results when we run our specs. I can't see in the logs if it's on the upl. With PostgreSQL ™, this takes one of the following forms. 10 with Bluehost 2018 update: change your connection protocol to SFTP - SSH File Transfer and it should work. Such timeout, if smaller than project defined timeout , will take the precedence. I you have a really long build time due to webpack or something you can increase the deploy time by running flynn deployment timeout 6000; Push your code to flynn. Here are strategies to deal with CAPTCHAs that just won't work. We had been toying with the idea of trying a recently released Heroku addon called JawsDB which, although slightly more expensive, offered dedicated MySQL instances which would also match the web app's Heroku location - so we could keep our data in Europe. If the host is down I don't want to wait for the 30 or so seconds it takes to time out. Times out a request in the Connect/Express application framework. Do you have ideas for new features, improvements to current features, or other suggestions for Magento 2? Then share your ideas in this forum! We love hearing about ways we can improve your experience working with Magento. Deis is a lightweight application platform that deploys and scales Twelve-Factor apps as Docker containers across a cluster of CoreOS machines. *Documentation. In the last few years, GoDaddy has come under fire plenty of times - and for plenty of reasons. And configure Eclipse to use this JDK for the project. Setting the value to 0 disables server socket timeout. JBoss Web Web Application Deployment Table of Contents. How to Increase / Reduce the mySQL wait_timeout. If you start receiving "invalid request block size" in your logs, it could mean you need a bigger buffer. This should only be necessary as a last. Docker can build images automatically by reading the instructions from a Dockerfile. You can quickly and easily get your apps up and running with Redis Cloud through its add-on for Heroku, just tell us how much memory you need and get started instantly with your first Redis database. Heroku is an industry-changing service that is established in 2007. The connection timeout is likely the most interesting timeout. If it crashes and doesn’t start, trying running heroku restart. config), then his session will expire. The job failed, likely due to a timeout, and it could not try again as it was unable to drop the collections in the destination database. If the problem remains, open a support ticket. Platform-as-a-Service offerings such as Heroku raise the abstraction by providing language-specific application runtimes, which are generally long-running. We're the creators of Elasticsearch, Kibana, Beats, and Logstash -- the Elastic Stack. This all works fine with smaller documents, but for a 121 pages pdf document with only 400kb, it blows off. Heroku compounds these problems in one swift move by using the swap file. If you want to use completely standard SQL on your Salesforce data, I can highly recommend looking at Heroku Connect which automatically synchronizes Salesforce Objects with a Postgres SQL database (two-way) managed by Heroku. Apache Kafka is an open-source, distributed publish-subscribe message bus designed to be fast, scalable, and durable. Alternatively a very high (say, 1800 seconds) value can be used on both ends to effectively disable heartbeats as frame delivery will be too infrequent to make a practical difference. However, building a truly secure, sturdy, hearty API, can take a little more work, just as a chef takes more time when crafting a great meal. Even though, someone who plays Squash can easily increase their game play in Tennis. This is the first session of a two part series on production apps on Heroku and is meant for an audience familiare with Heroku basics. When the Heroku app was provisioned, a Git repository was also created with a Git remote for Heroku. Is there anyway as admin to increase the timeout of Word, Excel, PP or OneNote (online versions)? We have many people, especially in OneNote using the online version and by it's nature, note taking, is often kicked out due to timeout and we need a way to increase (or remove) the timeout for our accounts. It's an unfortunately harsh behaviour of Unicorn servers. { # fail_timeout=0 means. NET Hosting by SmarterASP. These parameter changes can increase WAL generation, so you should only set the rds. Start a free trial to create a beautiful website, buy a domain name, fast hosting, online marketing and award-winning 24/7 support. This article helps you understand pipelines and activities in Azure Data Factory and use them to construct end-to-end data-driven workflows for your data movement and data processing scenarios. Sometimes things don’t work the way they should or as you might expect when you’re using Git. On Heroku you bring your application server with you. With Go's speed and efficiency, this tool really stands out when it comes to mass-testing. order has special meaning). This will provide you with a stream of all the logs from each dyno that is running. Every operation takes an optional inactivity timeout option. It is compatible with the MTA sendmail. Verify that authentication configurations are also setup properly, as well. Why is it on my local machine, I can do db:migrate fine but on Heroku it fails? Difference between Sqlite3 and Postgresql perhaps? How do I go about solving this deployment problem?. In this tutorial, you will learn how to dockerize a Ruby on Rails application. From the computer running Tableau Server, open a command prompt as an administrator. Setting Angle to 45 and Angle Random to 1. How can I increase the max memory for Node? Deploy to Heroku from Workflows. Postfix is the default Mail Transfer Agent (MTA) in Ubuntu. CSS: Stretch a Box to Its Parent's Bounds Not so famous, yet powerful feature of absolute positioning is stretching a box. If the process didn't exit, Heroku will kill it in the hard way. you might even think I do this purposefully to try to avoid Q&As But! I am. The Mail Archive turns your mailing list into a searchable archive. setTimeout(2 * 60 * 1000); PS With the clarification that the desire is to make the web service call after a 2 minute delay I suggest you experiment with this Need System. You should revise your Redis max connections setting. CSS: Stretch a Box to Its Parent's Bounds Not so famous, yet powerful feature of absolute positioning is stretching a box. Ruby on Rails Tutorial (Rails 5) Learn Web Development with Rails Michael Hartl Newly updated for Rails 5, the Ruby on Rails Tutorial book and screencast series teach you how to develop and deploy real, industrial-strength web applications with Ruby on Rails, the open-source web framework that powers top websites such as Twitter, Hulu, GitHub, and the Yellow Pages. As such, Heroku’s edge over other frameworks is the intuitive and easy-to-manage deployment service it provides alongside popular tools like Github and various CI systems. txt where to save results to (Optional). Timeout_x is the variable you are looking for in the wsdl2apex generated code. Then we pass in some data to send along with the request (name and city). The connection timeout value determines the maximum amount of time your driver will wait for a connection to be established with the server. The header fields are transmitted after the request line (in case of a request HTTP message) or the response line (in case of a response HTTP message), which is the first line of a message. Instead, you can use the Heroku logs command: $ heroku logs --tail. Is something missing? If you notice something we've missed or could be improved on, please follow this link and submit a pull request to the sails-docs repo. Ansible is a universal language, unraveling the mystery of how work gets done. Microsoft provides the information on how to modify the Windows Registry to achieve this. htaccess Problems - The. [{"date":1425533656,"text":"Another fucking application that doesn't specify that it's only for osx. ino時, 在程式compile時都出現P(homePage)中homePage未宣告錯誤訊息,並在diy16_02. Laravel's database query builder provides a convenient, fluent interface to creating and running database queries. Even though an XML Web service client can set the Timeout property to not time out, the Web server can still cause the request to time out on the server side. figure out how to deploy heroku apps in us-west-2. This feature can be used to prevent Shared Runner from being appropriated by a project by setting a ridiculous big timeout (e. Summing up. Reliability Is Key. Then the payout will kicks in as per below:. This can be mitigated quite easily in ruby with rack-timeout, or in node with expressjs' timeout. How do I bypass the timeout for builds? Wercker will stop the build if it doesn’t generate any output for 5 minutes. Unlimited ASP. You can often support more concurrent users by reducing the number of database connections and using some form of connection pooling. Heroku obviously limits this to 20 for the "Starter Tier" and 500 for the "Production Tier". Learn more ». txt where to save results to (Optional). Here’s an abbreviated set of steps to. Free trial. Try for FREE. You can quickly and easily get your apps up and running with Redis Cloud through its add-on for Heroku, just tell us how much memory you need and get started instantly with your first Redis database. Using CircleCI. dive into code プロのエンジニアになるために挑戦する人が、 チャンスをつかめる場をつくる. This feature can be used to prevent Shared Runner from being appropriated by a project by setting a ridiculous big timeout (e. When Twilio requests a page from your server, we wait a maximum of 15 seconds for a response. Add sleep() and usleep() to nodejs. If you just type a rotation value for Angle, all particles will emit at that angle. Software engineering · Books I've read Debugging timeouts on Heroku 03 Mar 2019. We can view these logs on the Activity tab of the Heroku Dashboard or by using the Heroku CLI application:. way, avoid tcp timeout issues. No automatic conversion is available, as we believe these are sufficently rare and unique that manual conversion is both practical and gives better results. This is the nuclear option. js, Python, Ruby, Go, and Docker on familiar servers such as Apache, Nginx, Passenger, and IIS. 1 and require secure connections (HTTPS) for all communication. New apps generated with JavaScript and Sprockets support will use mini_racer for the Ruby platform. Using Parse as a sub-project. To learn how to create and set up a bot, please consult our Introduction to Bots and Bot FAQ. If it doesn't, it is treated as a timeout. This post will look at considerations for the sysadmin – network and server level failover, plus other aspects of infrastructure which need to be considered. You can do this in Windows 10 by pressing Ctrl+Alt+Esc to. And configure Eclipse to use this JDK for the project. This value is only used when making an initial connection to your database, and so selecting the correct setting for this timeout can be a balancing act. That is, it assumes that there is a best way to do things, and it’s designed to encourage that best way – and in some cases to discourage alternatives. Some people’s data will get lost in cyberspace. now how do i increase the timeout?? Hi. 0a is the most secure of the three common protocols. I am wondering what the best way would be to hack PgAdmin III to keep the connection alive. js with systemd. if you want to use a different package index (--index-url) and set the HTTP timeout (--default-timeout) to 60 seconds your config file would look like this:. Tagged code, heroku, rails, ruby Ubuntu 12. Join 250,000 subscribers and get a daily digest of news, geek trivia, and our feature articles. My django app on Heroku runs starts up really slowly. The site does take a while to compute stuff, so I tried to increase the timeout on guincorn with this Procfile: web: python manage. Unhandled rejection SequelizeConnectionError: Quit inactivity timeout with Node 4. subjack is a Hostile Subdomain Takeover tool written in Go designed to scan a list of subdomains concurrently and identify ones that are able to be hijacked. See Connection String Options for a full description of these options. We’ll also be using Unicorn in both development and production. Our aim with sponsored content is to publish relevant and objective tutorials, case studies, and inspirational interviews that offer genuine educational value to our readers and enable us to fund the creation of more useful content. Dockerfile reference. As per our maintenance policy, the release of Rails 5. # We recommend 15 because it allows for plenty of time in most # operating environments. Microsoft provides the information on how to modify the Windows Registry to achieve this. Because higher long-poll timeout values reduce the number of empty ReceiveMessageResponse instances returned, try to set your long-poll timeout as high as possible. A key benefit of many cloud platform services is that they allow for immediate scalability changes in the application. boot_timeout") value. It builds on top of Log Parser 2. Our builds have a global timeout and a timeout that’s based on the output. Finally, i wanted to test on linux server and deployed your app on l?nux server. This can be mitigated quite easily in ruby with rack-timeout, or in node with expressjs' timeout. Every operation takes an optional inactivity timeout option. setTimout is a millisecond value so for 2 minutes:. Eclipse setup In order to test Java JDK12 you will have to download Eclipse 4. Image source: Heroku’s Python Haiku Art It was a magical ‘aha’ moment for me when I learned about multithreading for the first time. If the response data isn’t available until after the 30-second timeout expires, what can be sent back to the client to keep the connection open? Spaces. Replace therubyracer with mini_racer. Developers and DBAs can use the visual tools for configuring servers, administering users, performing backup and recovery, inspecting audit data, and viewing database health. To increase autovacuum effectiveness, the values for the autovacuum_max_workers and autovacuum_vacuum_cost_limit parameters are computed based on host memory capacity to provide larger default values. query_timeout While exporting data from Salesforce. Redirecting and Chunking Around Heroku’s 30 Second Request Timeout June 2, 2015 by James Ward In most cases a web request shouldn’t take more than 30 seconds to return a response so it is for good reason that Heroku has a 30 second request timeout. For this example the work is just to pause for a random amount of time and the result is the amount of time it paused for. I am wondering what the best way would be to hack PgAdmin III to keep the connection alive. Heroku’s timeout is completely non-negotiable and probably rightly so. But when the same app deployed in other server , particular page returns back to previous page without completing to next page. It does takes 25-30 mins and I am assuming that this timeout bit could be the reason? What I have tried : I have added size: 2x to increase build time but this doesnt seems to have any improvement so far. Thus invoking 100 instances takes 9000 seconds=2. Instead, you can use the Heroku logs command: $ heroku logs --tail. I think the issue was that I setup the rails application with its own gemset with rvm that the systemwide unicorn was accessing only the systemwide gems. My initial load 'First View' time would climb to almost 15seconds which is unacceptable. One of the most tried and true ways to speed up your boot process is to keep unnecessary programs from starting up with your computer. Coralogix provides a predefined Lambda function to forward your VPC Flow Logsflow logs straight to Coralogix. timeout 300. Always double check the results manually to rule out false positives. asp" reads the parameters, processes them, and returns a result. /jupyter-venv/bin/pip install datasette. Before submitting an idea, be sure to check to see if a similar request has already been posted. As such, Heroku’s edge over other frameworks is the intuitive and easy-to-manage deployment service it provides alongside popular tools like Github and various CI systems. The Heroku platform is the fastest way to go from idea to URL, bypassing all of those infrastructure headaches. I have added the ibm_db_sa package to the requirements to that sqlalchemy will be able to make the connection. -o results. I'm trying to connect a flask application to a db2 database. The intuitive web-based Heroku Dashboard makes it easy to manage your app and gain greater visibility into performance. when we depend on components with nondeterministic characteristics, we may find that files get corrupted, disk fail, networks time out, and servers go down in the middle of running specs. So here is the code:. I'm building a web app using Flask and hosting it on Heroku. The Travis CI webclient needs JavaScript to work properly. Running a high volume Rails app on Heroku for free Update: Heroku has now posted a more complete Unicorn setup here In 3 easy steps you can setup a rails app on Heroku that can easily handle 200 requests per second and 100 concurrent connections, for free. Kubernetes marks a Deployment as progressing when one of the following tasks is performed: The Deployment creates a new ReplicaSet. 1 will mean that bug fixes will only apply to 5. Lastly, I help lead PyLadies - a global mentorship group for women, and friends, to help increase diversity in the Python community. Please allow developers to increase the Heroku maximum request timeout to at least match the 120 seconds that the Salesforce platform itself provides! This 30 second timeout limit makes it difficult for AppExchange ISVs to use Heroku as an API proxy in situations where they desperately need it!. If the process didn’t exit, Heroku will kill it in the hard way. Even though an XML Web service client can set the Timeout property to not time out, the Web server can still cause the request to time out on the server side. Ensure that either (a) the way in which the path argument was constructed into an absolute path is secure if it contains user input or (b) set the root option to the absolute path of a directory to contain access within. One of those challenges is that Heroku will timeout a request that runs longer than 30 seconds. Thats all there is to it, here at Oddball we’re huge fans of flynn, we use it for testing, staging, client checkins etc. move artifacts to us-east-1. I think the issue was that I setup the rails application with its own gemset with rvm that the systemwide unicorn was accessing only the systemwide gems. Microsoft Azure is an open, flexible, enterprise-grade cloud computing platform. From the computer running Tableau Server, open a command prompt as an administrator. When the first of these customers hit their reports, they timed out. 2 2019-08-16 14:20. Newman is a command line Collection Runner for Postman. free 1-click installs for blogs, e-commerce, and more. The site does take a while to compute stuff, so I tried to increase the timeout on guincorn with this Procfile: web: python manage. Instead, you can use the Heroku logs command: $ heroku logs --tail. In what's very likely a "double-edged double edged sword" for your website, it may be that it's suddenly very, very popular. 95 a month Offering Cutting Edge Windows Hosting Supporting Classic ASP and ASP. 1) Query Execution Timeout. js with systemd, at the Belgian node. Terraform is a tool for building, changing, and versioning infrastructure safely and efficiently. The concepts for heroku-forward come from this article by Nicolas Overloop. So, we have to make sure some_long_calculation () doesn’t take more than 55 seconds. htaccess is a configuration file used by Apache web-servers on your root folder that can, among other things, control redirects, protect folders, and change aspects of your URL’s. js node frameworks NodeJS node program oauth Perl PHP pro express. With Go's speed and efficiency, this tool really stands out when it comes to mass-testing. A web server faces the outside world. Getting a Memory Dump from Heroku. Learn more ». [{"date":1425533656,"text":"Another fucking application that doesn't specify that it's only for osx. The header fields are transmitted after the request line (in case of a request HTTP message) or the response line (in case of a response HTTP message), which is the first line of a message. 1 and require secure connections (HTTPS) for all communication. If any of SLF4J, Commons-Logging, Log4J is in the classpath, log messages will be printed via the available logging library. Installing uWSGI with Python support. Some companies offering such services are Amazon and Heroku and they were already mentioned in this example. Once a request has been received, the timeout value specified by the Timeout directive applies. 04 dual boot on Macbook Pro The official instructions are mostly right, but I still needed a bit of black magic to get everything working. js, Python, Ruby, Go, and Docker on familiar servers such as Apache, Nginx, Passenger, and IIS. The web hook includes a dynamic value (the Spark Core ID), which is sent to a Heroku server, which then returns server time-out (over 30 sec. This is a Node. By using Nodejs you can get the advantage of its asynchronous behaviour, which in certain case may increase the performance, and you may not need to migrate an existing MySQL. conf for it to be the default value for anyone connected to yo. Is it possible to send a mySQL query every 5 minutes or so while a user is chatting to preserve their online status? Thanks.