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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.

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Memcached can not listen on a port different from 11211 in Alma Linux 8.8

I installed successfully Memcached in Alma Linux 8.8 (a Red Hat 8.8 clone) but, when I changed the port number from 11211 to 11212 in the config file at /etc/sysconfig/memcached and restarted the service, I got the following message: failed to…
aldemarcalazans
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Clear RAM Memory Cache and buffer on production Hadoop cluster with HDFS filesystem

we have Hadoop cluster with 265 Linux RHEL machines. from total 265 machines, we have 230 data nodes machines with HDFS filesystem. total memory on each data-node is 128G and we run many spark applications on these machines. last month we added…
King David
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How to install memcashed on a LAMP stack with PHP FPM?

I have a LAMP stack with PHP FPM and multiple virtual hosts with Wordpress sites on. I have tried to install memcashed using this tutorial. In Wordpress sitehealth I get: "You should use a persistent object cache". In /etc/memcached.conf I have: -l…
newcat1000
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PHP session store in cephfs

We need to support a lot of php version from 5.3 to 8.1 in K8s. Every version served by two or more pods. The sessions are stored localy in the pod's volumes, due to this solution we are using sticky sessions. I fed up with this solution and started…
Daniel
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SystemD memcached service - (code=exited, status=1/FAILURE)

So I had to deploy in Rocky Linux 8 memcached with SOCKET in /var/run/memcached In order to avoid the service to fail, I have run the following: systemctl edit memcached.service Pasted…
Uhl Hosting
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Key issues reading from memcache pool on ubuntu / solaris

Our environment consists of 6 memcached servers running on Solaris 10 boxes and application code running on a mix of Solaris and Ubuntu servers. We are running into issues accessing data set on one operating system and accessed from the other. The…
Adam Gotterer
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memcached causes Apache processes to hang indefinitely

I have been tracking down the source of Apache processes hanging indefinitely. Unfortunately, I need to regularly reboot Apache as it eventually exhausts all slots. The Apache status page below shows processes hung in the W - Sending Reply state -…
tom_nb_ny
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How to telnet to a unix socket in debian to test memcached

To test memcached on Ubuntu, I would run this command: echo "stats settings" | nc -U /run/mydir/memcached.sock However now I have changed to Debian, and Debian nc does not support the -U option. I have tried ss, listen, telnet -b…
run_the_race
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How to update memcached to 1.4.33 on centos? Yum says there is no update

I need to update memcached on centos7 from 1.4.15 to 1.4.33 however yum update says there isn't anything to update, clearly there is as there is a newer version. I can't find anything on google explaining how to update it, it's all just about…
noname
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Error with memcache memcached php 7.4

The Server have this Error: PHP Startup: Unable to load dynamic library 'memcached.so' (tried: /usr/lib/php/20190902/memcached.so (/usr/lib/php/20190902/memcached.so: undefined symbol: zend_wrong_parameter_error),…
stephan_me
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how to monitor number of "add" commands on memcached

so memcached provides a lot of stats to track usage (hits and misses). sample output - stats STAT pid 1 STAT uptime 982226 STAT time 1630949306 STAT version 1.6.6 STAT libevent 2.0.21-stable STAT pointer_size 64 STAT rusage_user 18.366158 STAT…
mirage
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How to remove apcu and memcached from centos?

I've always installed apcu and memcached on my server, but I'm not sure how useful they are. Mostly 2-3 pages per visit are visited on my sites. And I'm not even sure if having them is a good thing or a bad thing, whether it's talking about SEO or…
alebal
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How to set MEMCACHED_SERVERS environmental variable for memcstat

I've installed memcached and libmemcached-tools on ubuntu 18.04. Both of these commands work: memcstat --servers=localhost memcstat --servers=127.0.0.1 But in the man page for memcstat it says: You can specify servers via the option: --servers or…
Kevin
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How to "distribute" memcached?

I know how to install and use memcached on one server. But I heard you can "distribute it"? How does that work, and how can I enable that feature?
Alex
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Confusion with memcache size increase

I'm facing issues with my memcache recently as we received lot of data requests. So, I used telnet command to get some stats around the memcache. For the production environment, I saw that there are lot of evictions which tells me that the memcache…
Priyanka Naik
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