Sharding (sic!) the web tier in order to prevent a load balancer bottleneck?

How do large web sites which cannot be completely stateless achieve extreme scalability at the web tier? There are sites like eBay and Amazon, which cannot be completely stateless, as they have a...

Advantages of creating .ram, .wvx, .m3u files for hosting and streaming audio/video files?

We will be soon hosting a large number of audio and video files that have been historically saved in 3 various formats. (.rm, .wmv, .mp3) Should we create pointer files (.ram, .wvx, .m3u) for Web...

Do you know what Technology and Platform is powering Android Marketplace?

Does anyone have a good link to know what technologies and platform is being used to power the Android Marketplace? What would be the best way to create a cost effective "clone" for a smaller...

Assigning a web address to a function

Sorry if I did not express myself clearly. I need to: Make a function accessible from HTTP(S) communication, which means a web address should be assigned to my function. Users can send inputs in...

Google app engine or amazon web services

I am a newbie to us cloud hosting. I want to know which is better to start with, either Google app engine or Amazon web service. My questions are: My application is based on java, Database is...

Django application on heroku is failing when turning off DEBUG

Am facing a strange behavior on heroku where I developed an application and its fully running fine, it uses multiple plugins such as social auth, storages, django-ses. Any ways, the app is running...

best practice for scalable php sessions on google compute engine

I have a php application that will be running on several instances of Google Compute Engine (GCE). The application will utilize php sessions. I understand Amazon AWS offers a DynamoDB Session...

How private are the pictures on Amazon S3 with these settings?

I have a feature on my website where users can upload images. Users can see their own images but not others. The images are stored on Amazon S3 but uploaded and viewed on my website which is at a...

AWS Pricing VS Google-Cloud-Platform Pricing

I want to host my website (PHP/MySQL) on a cloud platform. For sure, my website is new and I don't think that there will be too much traffic. So, I tried to compare the lowest config costs of...

kimono pagination error with Amazon

I am trying to scrape Amazon result pages using Kimono. For instance I type "Sony" on Amazon.co.uk search engine and want to scrape the results to get product names. I am able to do it for one...

AWS IoT Event Java Class for Lambda

I am invoking an AWS Lambda function from AWS IoT. I am writing my Lambda function in Java According to this link...

ActivityNotFoundException error

This question is for an app that displays an image and description of a website, when clicked on the ListView, a website associated with that description opens up in the browser. But when i click...

JQuery-UI gives "TypeError: n is undefined" and "ui.item is undefined"

I am using autocomplete to get suggestions from multiple sources and show them as one list in the UI. When I am typing, the suggestions show up, but when I hover over a suggestion I get an error...

Why PHP 7.1.3 script is not running on Apache 2.4.25?

I am trying to make a php script run to make the first test on the browser but it doesn't work. When I try to open the link it shows me the following: <?php phpinfo(); ?> Currently I have PHP...

Utilizing Google's Cloud CDN without a Google Storage Bucket

I've searched the forums and the documentation that Google Cloud provides but I can't seem to find the specific answer I'm looking for. To give a little bit of backstory I'm currently running a...

Using Leigh version of S3Wrapper.cfc Can't get past Init

I am new to S3 and need to use it for image storage. I found a half dozen versions of an s2wrapper for cf but it appears that the only one set of for v4 is one modified by...

Unable to access tomcat manager 8080 in Google Cloud

I have been using Amazon EC2 to run my Tomcat+MySQL website for a while and is now migrating to Google Cloud Platform. I start a compute engine instance (Ubuntu 16.04), connect to it via ssh and...

Python webapp2 serve static content

Our team migrated a project from GAE to AWS. One component is a web application built on top of webapp2, a framework which is easy to integrate with GAE. We kept the webapp2 framework in AWS too,...

Chromedriver Browser Timeout Go Back to Previous Page Error - Python Selenium

Basically, I have created a program that sends a query to a search engine. From the results of the search, it will pick a random link to click on. This works. Now, I have set a timeout for 3...

Wowza - upload recording to AWS S3 bucket using c#/Rest API

I have a VM, which I am calling into Wowza to start and stop recording of a stream using their Rest API. When I stop recording, I would like to then upload the stream recording to a chosen...

How can i set my credentials for `aws` in boto?

Trying to run my chatbot on LEX engine from python according to this link https://github.com/boto/boto3#quick-start . Being a starter in Github and amazon Lex i don't understand how to set these...

Docker container running fast when connected to localhost db but very slow on external db

I'm running a php application on a docker-container. When I connect to the local database responses are very fast (< 1 second). When I connect to an external db (running on google cloud or amazon...

Flask Malformed packet with Mysql 5.7 SqlAlchemy

I have an api that was made over python 3.5 with SQLAlchemy==1.2.10 My api connects to a RDS Aurora with mysql engine 5.7. In the api i have a get method that when executed return some lines from...

Search Query Logs Dataset

I am looking for datasets related to search engine query logs. The dataset can be eCommerce related searches (Searches users do on amazon, alibaba, google, bing, duckduckgo etc). Searches related...

Spark as execution engine with Hive

Can spark 2.4.2 be used as an execution engine with hive 2.3.4 on Amazon EMR? I have linked the jar files with hive (scala-library, spark-core, spark-common-network) via the following commands: cd...

Debezium embedded. Trying to see format of offset file. Not working

I have this code for connecting debezium to a local mysql container. I am trying to see the format of the offset file. This is my code: package io.debezium.examples.kinesis; import...

Geolocation distance with AWS Neptune?

I'm trying to use Amazon Neptune, in my gremlin query I need to filter nearby users and also filter by other relationships, similar to what Tinder (a dating app) does. So I need a geolocation...

Ionic Keyboard is not open properly

I am creating a login screen in Ionic. The problem is that when I click on the input field to open the Keyboard, it's not opening. Then I click outside on the input field and then click on the...

AWS Elastic Beanstalk with docker application returns 502

I created a SPRING-BOOT application with docker and I'm deploying this image to Elastic-beanstalk, everything goes well and through the logs, the application starts, but then access the ulr, I get...

Amazon VPC Endpoint for AWS Appflow

We have a Glue Python Shell Pipeline Job trying to invoke AWS AppFlow through boto3 APIs. The challenge we have is that we need to design our solution without the need for internet access within...