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Questions tagged [high-load]

All aspects of high-loaded systems development and maintenance.

All aspects of high-loaded systems development and maintenance: design, algorithms, architecture, technologies, development, testing, databases, storage, support, hardware, hosting, management.

154 questions
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Is Google Application Engine a good platform for a high-traffic chat website?

I'm looking to create a high-traffic chat website, possibly with video streaming with some image manipulation happening on the server. Scanning over the Channel API (http://code.google.com/appengine/docs/python/channel/overview.html) has made me…
vivri
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Better Practice: Placing the load on SQL or Web server?

I'm the webmaster for a major US university. We have a great deal of requests on our website, which I've built and been in charge of for the last 7 years or so. I've been building ever-more-complex features into our website and it's always been my…
Brak
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Highly scalable tags on Google App Engine (Python)

I have a lot of (e.g.) posts, that marked with one or more tags. Post can be created or deleted, and also user can make search request for one or more tags (combined with logical AND). First idea that came to my mind was a simple model class…
gordon-quad
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check whether mmap'ed address is correct

I'm writing a high-loaded daemon that should be run on the FreeBSD 8.0 and on Linux as well. The main purpose of daemon is to pass files that are requested by their identifier. Identifier is converted into local filename/file size via request to db.…
reddot
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High CPU Usage in php-fpm

We have very strange problem on our Web-project. We use: 2 Intel(R) Xeon(R) CPU E5520 @ 2.27GHz 12 GB memory We have about 20 hits per seconds. 4-5 requests per second are heavy – it is a search requests. We use nginx + php-fpm (5.3.22) MySQL…
dhythhsba
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How can I implement a simple WHOIS proxy in Perl?

I have several WHOIS servers for which I want to have a single proxy. The proxy should forward requests to appropriate servers based on the data in the query. How to approach this problem?
planetp
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High postgresql load CPU into docker

guys! I have a problem with postgres docker container. PostgreSQL inside container load CPU to 400%. pg_stat_activity is empty. pg_locks table is empty, too. but sometimes I have message from docker logs: Usage: kill [options] …
user3506199
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Vert.x: simplest server with 1000 rps

Suppose you need to write a server with 1000 rps. The load may grow in the future. Server is serving only one kind of request - getGender(name) which accept a name, and return Male/Female. Determinition of sex is simplest operation which requires…
VB_
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Ubuntu - Nginx - extremely high IO writes

I have a pretty high traffic Nginx server dishing out static content for a family of websites. I can't figure out why the disk writes are so high. VMWare ESXi 6.0 host (datastore is sitting on 4x Enterprise SSDs in a RAID10) running an Ubuntu…
Xengulai
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How to deal with expiring item (due to TTL) in memcached on high-load website?

When you have peaks of 600 requests/second, then the memcache flushing an item due to the TTL expiring has some pretty negative effects. At almost the same time, 200 threads/processes find the cache empty and fire of a DB request to fill it up…
Toad
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How to clone tag object with one get method?

How to make clones tag object with svg image data in one page. Without many get methods to the server. Sample of target page ...
Anton Riab
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hosting a high traffic facebook app (game)

we are currently developing a high traffic facebook application. all the traffic will be within one month, where there are 500.000 to 1.000.000 expected users. after that month, the game is over and we have a winner - so the app will be archived. we…
z3cko
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How to optimize Redis-server for high-load?

Server: Intel® Core™ i7-3930K 6 core, 64 GB DDR3 RAM, 2 x 3 TB 6 Gb/s HDD SATA3 OS (uname -a): Linux *** 3.2.0-4-amd64 #1 SMP Debian 3.2.65-1+deb7u1 x86_64 GNU/Linux Redis server 2.8.19 On the server to spin Redis-server, whose task is to serve…
BigTon
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High-load java server

I am making a multiplayer game. Now I am trying to choose the technology to connect the android devices to the server. The clients run on Android, and the game is MMORPG. I would like to write the server in java. Right now I have only 3 ideas for…
Artem Moskalev
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How to choose NoSQL database engine?

We have a database with following parameters: 30k records, 7mb in size 20 inserts/second 1000 updates/second 1000 range selects/second, by secondary index, approx 10 rows each needs at least one secondary index needs some mechanism to expire keys…
Poma
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