81 Topics
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| | Hi everyone, I am Emmanuel Katto. I'm building a high-traffic web application that requires fast and efficient data retrieval from a relational database. To improve performance, I'm considering implementing a caching layer using Redis. But, I'm not sure about the best approach to design and integrate the caching layer into …  |
 | I am trying to implement multi authentication in `laravel5.2`. I am following [this article](http://saravanan.tomrain.com/multiauth-in-laravel-5-0/) My **Auth.php** <?php return [ 'multi' => array( 'user' => array( 'driver' => 'eloquent', 'model' => 'App\User', 'table' => 'users', ), 'admin' => array( 'driver' => 'database', 'model' => 'App\Admin', 'table' => 'tbl_admin_user', ) ), 'password' … |
| | Everyone knows that PHP has such a bad rap for so much bad code being out there. I am a firm believer it is not a problem with PHP, itself, but rather the incredibly low barrier to entry (open source, readily available with nearly all web hosting packages, etc.) coupled …  |
| | Hello There, Do you have any experience how to run a dns cache ? I want to learn how to run a dns cache and log what my users are browsing onto a webpage. In other words, the Log File should turn into a webpage be it with .html or … |
| | The job you’re applying for says, “Redis experience required.” Are you ready for the questions a hiring manager is likely to ask? Here’s [how to prepare for the job interview](https://redis.com/blog/redis-interview-questions/)... as inspired by Lord of the Rings. Nominally the article is written for someone getting answers ready for Redis-specific questions, …  |
| | I’m working on a blog post about this topic. I’d love to hear your suggestions! * What book(s) should someone read to come up to speed? * Why do you recommend that one? Note that the books don’t have to be peculiar to Redis. For example, someone suggested *Designing Data-Intensive … |
| | When I run `getStats()` on my PHP instance, it results in the following: array ( '10.143.27.235:11211' => array ( '����' => '', 'pid' => 3602, 'uptime' => 49804, 'time' => 1663088274, 'version' => '1.5.22', 'libevent' => '2.1.8-stable', 'pointer_size' => 64, 'rusage_user' => 30.254434, 'rusage_system' => 62.188442000000002, 'max_connections' => 4096, 'curr_connections' … |
| | I'm trying to get Memcached persistent connections to work. We currently have a cluster of four Memcached servers each with 2GB of RAM, and four web servers. My code looks like this: public function __construct() { global $config; $this->cache = new Memcached('daniweb'); if ($this->cache->isPristine()) { $this->cache->setOptions(array( Memcached::OPT_NO_BLOCK => true, Memcached::OPT_BUFFER_WRITES … |
| | Here is the function that I use here at DaniWeb to manage flood control. It keeps track of how often a specific user or IP address is making a request, and increments a counter. If there have been no requests after 5 minutes, the counter resets to 0. It returns … |
| | This question specifically relates to PHP's Memcached library when specifying a server key and adding multiple keys at once. **Question one**: Is it true that PHP's setMultiByKey() doesn't take advantage of the memcached server's native support for setting multiple keys at once, but that the logic is on PHP's side … |
| | QuickRedis is a free forever Redis visual management tool. It supports direct connection, sentinel, and cluster mode, supports multiple languages, supports hundreds of millions of keys, and has an amazing UI. Supports both Windows and Mac platform. Download url: https://github.com/quick123official/quick_redis_blog |
| | Our CSS and JS files are not being re-downloaded by web browsers when we update them. The response headers look like this: cache-control: max-age=7776000 content-encoding: gzip content-type: text/css; charset=UTF-8 date: Sat, 01 Feb 2020 02:41:59 GMT etag: W/"5e34c19d-68a08" expires: Fri, 01 May 2020 02:41:59 GMT last-modified: Sat, 01 Feb 2020 … |
 | <?php include 'ProcessDAO.php'; $dest=""; if(isset($_POST['login'])){ session_start(); // i get an error in this line !! $_SESSION['status']='online'; $_SESSION['breadcrumb']='home'; $pro = new ProcessDAO(); $dest = $pro->LogIn($_POST['username'],$_POST['password']); }else{ session_start(); $dest ="Location: ../index.php"; session_destroy(); } header($dest); ?> guyss can you help me out because in my Login.PHP file when i login i always get … |
| | I'm getting ` Session: Error while trying to free lock for ci_session` show up in the error log a couple times a minute, sometimes, and every 15 minutes other times. Using Redis for sessions. It's not happening on a different server that has almost the same code base and is … |
| | The facts: We are talking about a small company (5 persons) with many clients that making real money (we don't) . We provide our own software that has unique features against the e-commerce completion. The problem: the first glimpse of the problem arose around 2012 and made clear around 2014 …  |
 | Laravel App checks redis database for data pushed by 3rd Party. Laravel Scheduler runs artisan command `php artisan check:redis` every 10 mins. I am expecting about 20k records to be checked every hour at peak times. Please also suggest me if my whole approach as a whole is flawed. 1. … |
 | Hello, I have a website that I built after editing it requires the user to clear browser cache to see the updated website. My question is does it requires everyone who have open the website for the first to clear browser cache to see the updated? What if the first …  |
 | Hello, i want to cache embedded urls -YouTube, Vimeo- photos and videos so that i could reduce bandwidth usage and server load for my website. How can i help my website to do that? I know that browsers cache information `https://en.wikipedia.org/wiki/Web_cache`. Is there something i can to do to make …  |
 | Cache in local storage of browsers gets cleared when website page redirects from AliPay payment website. This is happening in some computers and working fine in some. From my website user selects AliPay payment method then user is redirected to payment website and on successful payment is being redirected back … |
| | Dazah API uses Redis to handle rate limiting. The goal is to limit every each client_id/user_id pair from making over 5,000 requests every 5 minutes. We use Codeigniter 3.x and it looks something like this: $flood_control = $CI->cache->get("user_limit:{$token_obj->client_id}:{$token_obj->user_id}"); if ($flood_control === false) { $CI->cache->save("user_limit:{$token_obj->client_id}:{$token_obj->user_id}", 0, 300); } else if ($flood_control … |
 | Hello, Recently I am dealing with bad performance in an php application that I have build, googling this issue I found out that using services like memcached you can archive a huge performance improvements. The weird thing comes when I try to find a very good and detailed example I … |
 | I've noticed the last couple of weeks that a hard-refresh won't clear the cache anymore in Chrome... well to me and two clients of mine (we're all on a Mac by the way). Not sure either if there was an update to Chrome recently which might cause this now. Did … |
 | Hi there, I'm a long time PHP programmer, 6 month newb python developer, but entirely new to git and gitlab. I've spent 2 solid work days trying to solve this issue, I've chatted with others in chat rooms, all to no avail. I'm not certain where I should post this … |
 | You have some serious query/caching issues. Times vary but slow nonetheless. Finder -> My Bookmarks Page generated in 26.1996 seconds with 8 database queries and 7 memcached requests using 6.01MB of memory Latest Posts Page generated in 16.5247 seconds with 5 database queries and 6 memcached requests using 4.71MB of … |
 | Hi All, I'm trying to set up an application cache for offline viewing. I'm using a custom built mvc framework. I'm having trouble getting anything to work regarding the application cache. It's as though the .appcache file isn't even being picked up. My set up is as follows: referencing the … |
| | Hello! I'm working on a program at work for a device we are building, it's a device that (basically) in real-time reads in sensors, makes decisions about said data, and performs output. I have a loop that runs, and then calculates how long to sleep, so we can get as …  |
 | Hi All We are having an issue where a WSDL is loading another WSDL into it when we call it. This call takes a while on the first call which normally causes failures across the application during testing. One option we are looking into is pre-caching the WSDL in IIS … |
 | This tutorial is the first time I write about coding techniques for improving the performance of software. This is going to be a step-by-step journey through a real example, with real benchmark results at every step so that you can see the effect of the different optimization techniques. And as …  |
| | As we're considering start using Redis to manage our software cache, I came across this article http://www.stackify.com/implementing-cache-tagging-with-redis/ . Does anyone else have an experience with such type of implementation? |
| | Hello, so I'm completely re-designing and updating files on the website, but the problem is, that everytime I change e.g. index.html file the website stays the same. I think that it has something to do with the browser's cache. It happens more often on Firefox, but I just hit ctrl+f5 … |
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