memcached monitoring

Do you want to see the changes in usage of your Memcached server and Java Virtual Machine? Do you want to see the changing trend of online users in your forum in one day? Want to customize monitoring items as needed based on actual business conditions? Hellip; in monitoring treasure, custom monitoring all get activity

PHP implementation of common Hash distribution algorithmFirst assume there are 2 servers: 127.0.0.1:11211 and 192.168.186.129:11211When the stored key passes the modulo operation on 2 (2 servers), the server to which the key should be saved is obtained:PHP$server=Array( Array(' host ' = ' 127.0.0.1 ', ' port ' = 11211),Array(' host ' = ' 192.168.186.129 ', ' port ' = 11211),);$key= ' Thekey ';$value= ' Thevalue ';//Let's say two servers .$SC=$server[CRC32($key)% 2];Var_dump($SC);//The key sho

first, in the window PHP operation memcached need to find a suitable extension, extended in the official download, address is: Windows extended indexing site for PHP 5.2/5.3:Here you can find things like Php_oci8.dll, Php_memcache.dll, Php_mongo.dll, Php_ Apc.dll, and other popular Windows extension DLL files, can also find some relatively unpopular but also useful PHP extensions, such as Php_oauth.dll, Php_solr.dll and other extensionsHttp://downloa

: 1593hitRate: 98.15 %freeMemory: 849551027 BytememoryUsage: 80.22 %evictions: 7477932alive: 0Now that you have completed a simple script to monitor the basic information of memcached, the next step is to add a custom monitor to the Zabbix for easy viewing later. First define the monitoring item configuration: cd /etc/zabbix/zabbix_agentd.dcat Memcached.conf# MemcachedUserParameter=memcached.s

Introduction Memcached is often used to accelerate applications.ProgramHere, we will focus on introducing the best practices for deploying it in applications and environments. This includes what should be stored or should not be stored, how to handle the flexible distribution of data, and how to adjust the methods used to update memcached and stored data. We will also introduce support for high-availabili

Copyright Notice : Can be reproduced arbitrarily, but reprinted must be marked original author Charlee, original link http://tech.idv2.com/2008/07/10/memcached-001/and this statement. What is memcached?Memcached is a software developed by Brad Fitzpatric, a Danga Interactive company in LiveJournal. It has become an important factor in improving Web application e

. Status Monitoring function (getstats .....) The following code is used to give you an intuitive impression: (assume that memcached is installed on 172.10.10.10, and the port number is 12121) $ Memcache = new memcached (); $ Memcahce-> connect ('2017. 10.10.10 ', 172 ); $ Memcache-> set ('key', 'value '); $ Memcache-> get ('key '); The above describes the simpl

Emcached is a key-value storage system that stores critical data in memory, greatly reducing the time it takes to access data. The benefit of using memcached is self-evident, it not only reduces the pressure of the system to access the database, but also improves the system response speed. As to what kind of system needs to use Memcache, the author suggests that the data volume is large and access to frequent systems can take

Reprinted from: Http://stackoverflow.com/questions/10558465/memcached-vs-redisUpdated 10/9/2014Today marks the day this memcached no longer has a significant advantages over Redis and while Redis continues to having manyDistinct advantages over memcached. Today, Redis 3.0, which includes Redis Cluster, entered the Release candidate stage. previously when looking

Tomcat monitoring series-Introduction to monitoring tools and tomcat monitoring tools Recently, the company's windows server has just completed Load Balancing processing for Nginx + tomcat. The next step is to monitor the background service software tomcat and nginx.What we want to achieve here is not to monitor performance and other indicators, but whether the s

These monitors include host survival, disk space monitoring, load monitoring, process count monitoring, and ip connection monitoring.(1) define the host configuration file hosts. cfg on the Monitoring ServerDefine host {Host_name cacti.comAlias nagios serverAddress 192.168.1

Android call monitoring and power-off monitoring, android call monitoring I think writing an article is useful, and I must have my own ideas. The following three questions will be taken into consideration about the call-to-power listening process: 1. What is the purpose of listening for power-off calls? 2. How do I listen? Is the method the call-to-power

the Tomcat installation:]# CP */usr/share/tomcat/lib/Copy one to Node2:]# scp-r msm/* node2:/usr/share/tomcat/lib/Stop Node1 and Node2 Tomcat.]# Systemctl Stop Tomcat.serviceWhile experimenting, node1 and Node2 are two Tomcat hosts and two memcached session servers:Install memcached:In Node1 and Node2:]# yum-y Install memcached]# systemctl Start Memcached.service]# SS-TNL ensure 11211 port

: $ Memcache = new memcache;$ Memcache-> connect ('localhost', 11211) or die ("cocould not connect "); $ Version = $ memcache-> getversion ();Echo "server's version:". $ version. " $ Tmp_object = new stdclass;$ Tmp_object-> str_attr = 'test ';$ Tmp_object-> int_attr = 123; $ Memcache-> set ('key', $ tmp_object, false, 10) or die ("failed to save data at the server ");Echo "store data in the cache (data will expire in 10 seconds) $ Get_result = $ memcache-> get ('key ');Echo "data f