Questions tagged [memcached]

Memcached is an in-memory key-value store for small chunks of arbitrary data (strings, objects). It is commonly used as a cache to speed access to frequently used data.

Memcached is an in-memory key-value store for small chunks of arbitrary data (strings, objects). It is commonly used as a cache to speed access to frequently used data.

390 questions
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How to maximize parallel download from S3

I got a lot of images to load from Amazon S3 on a single page, and sometimes it takes quite some time to load all the images. I heard that splitting the images to load from different sub-domains would help parallel downloads, however what is the…
StCee
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Configuring SASL support in libmemcached

I'm trying to build libmemcached with SASL support on OS X Mountain Lion. I have built memcached (1.4.15) with SASL support: $ memcached -S -vv Initialized SASL. slab class 1: chunk size 96 perslab 10922 ... slab class…
John Keyes
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Port server moxi on node X exited with status Y on Couchbase 1.8.1

I'm getting this error on live servers Win Server 2003 32 bit & 2008 64 bit. Port server moxi on node 'ns_1@192.168.243.12' exited with status 3. Restarting. Messages: 2012-09-10 17:13:21: (cproxy_config.c.317) env: MOXI_SASL_PLAIN_USR…
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Memcached Debuging/Server Logs Monitor the Memcached Servers?

I have chat engine which is based on the Memcached variables, putting them into arrays and reading them in other end via jquery, which works fine 95% of the times, however when the server load is high memcached (presume its the memcached) the crash…
mahen3d
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Should we increase local port range limit on busy memcached servers

nixcraft has a tutorial on configuring memcached server(link) at the end says: For busy memcached server you need to increase system file descriptor and IP port limits here is the code to do so: # Increase system IP port…
Majid Azimi
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is anyway to use memcached with nginx on a post request?

2.1, i am also using the amazon elastic cache service (its a memcached server) Nginx has a clever feature that uses memcached for common get request, but if is a post request dont use memcached, is anyway to disable this feature? Here is my…
Tim
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Memcached memory consumption?

Server info: cPanel / 4GB The conf file as below: #Memory a user -m 128 # default port -p 11211 # user to run daemon nobody/apache/www-data -u nobody # only listen locally -l 127.0.0.1 Does it mean that it assign 128M to each account(domain)? Let's…
gilzero
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difference between slab, page and chunk in memcached

what is the difference between slab, page and chunk in memcached? If we set -m 128, then how many slab, page, chunk we have? What is the benefit of slab?
Majid Azimi
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MediaWiki Multi Site + Memcached

I have multiple mediawiki installations, and I'm wondering if it's safe to allow them to all use the same memcached server. Are there any "gotchas" involved?
WedTM
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What would cause Memcached to Hang for 2+ seconds?

I'm going nuts trying to scale memcached. From their site: Memcached operations are almost all O(1). Connecting to it and issuing a get or stat command should never lag. If connecting lags, you may be hitting the max connections limit. See…
Brad Dwyer
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Enyim Memcached Client Caching same item on multiple servers

We have a memecached cluster of 5 servers. When we reviewed the cache keys it shows that the same item is showing up across 4-5 servers in the cluster. As I understand it, Enyim's default key hash is supposed to be guaranteed consistent. Other…
John
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increasing memcached limit size

I am having issues with the limit size of my memcached: How do I increase the limit_maxbytes? as the bytes_written is more than the limit_maxbytes?
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How does upstream works in nginx (memcached_pass)?

Does nginx go to the next host in upstream block, if previous host not available or doesn't exist? upstream cache_cluster { 127.0.0.1:9000; //something on this port 127.0.0.1:11211; //memcached instance on this port } location { …
shatzibtten
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Memcached has to start by nobody? How to start it?

How to start the daemon by nobody? Do I have to start as nobody? I have only one box. So how many ports can I give to the daemon?
Hao
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How to debug memc/memcached timeouts with Nginx?

Problem Regular timeouts from the memcached backends in Nginx (see example errors below) Things already tested: it occurs both on local and remote memcached servers so the network can't be the problem it occurs both with the memc and memcached…
Wolph
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