pacemaker troubleshooting

The system uses memcached, the client uses xmemcached2.0, and the recent system executes Memcachedclient's Get method has been reported error "memcached Timed out (x milliseconds) Waiting for operation while Connecte ", where the red X is the set time-out. Because I have a lack of knowledge of memcached, so the first troubleshooting also encountered a lot of problems, here simply next steps for other and I like the small white groping.First of all, ac

Personal documentation, please inform us if you have any errors.Xshell is a bridge between windows and Liunx, connected via SSH, Port 22.Virtual Machine Network ConfigurationConfiguration file #vi/etc/sysconfig/network-scripts/ifcfg-eth0650) this.width=650; "src=" http://s3.51cto.com/wyfs02/M01/6B/7C/wKiom1UuhaihkX3RAADGWykIGdI073.jpg "title=" l8%4p} q{$GWFS 7p{gni8zyq.png "alt=" Wkiom1uuhaihkx3raadgwykigdi073.jpg "/>Here IP must be private IP, 192.168 172.16 are private network IP, private netw

Nic cannot be correctly identified and used after adding NICError-Troubleshooting methodView the contents of the/etc/udev/rules.d/70-persistent-net.rules, which allows you to view the MAC address of the newly added NICModify the MAC address of the/etc/sysconfig/network-scripts/ifcfg-eth0 network card to the correct MAC addressUse the System-config-network command to create a profile for the other NIC and set the IP address#/etc/rc.d/init.d/network res

-Privacyname=Ens33uuid=b961637c-a4c0-4913-a161-81dfb4e21d49device=Ens33onboot=Yes #开机起来IPADDR=192.168.38.138 #ip地址Netmast=255.255.255.0 #子网掩码GATEWAY=192.168.38.2 #网关DNS1=119.29.29.29 #dsn The network service needs to be restarted after the configuration is complete:Systemctl Restart Network.serviceYou can then ping some of the popular sites:This means that it has been configured.My machine is a Mac, the virtual machine is VMware Fusion and the gateway is not very easy to find whe

" became "Vmlinux", so the system could not find the kernel executable file. We can press any key to go back to the grub editing interface, modify this error, enter the Save and press "B" key to boot normally, of course, do not forget to enter the system after modifying the grub.conf file here error. This is a lot of beginners Linux users in the change grub settings is easy to make mistakes, this black screen prompt to observe the error message, can be targeted repair.(ii)

While using the computer to enjoy the fun of surfing the Internet, we also have to face all kinds of weird problems with computers, and today the small weave collects some common troubleshooting methods for Windows operating systems on the network (this article applies to Windows Xp/vista/win7/win8), I hope you can come together with small knitting to learn knowledge, and then hope that the following methods in the face of the corresponding problems w

Common troubleshooting methods for motherboards are as follows: Motherboard is one of the basic parts of the computer, especially a bridge, shouldering the CPU, memory, hard disk, graphics and other equipment connection, its performance is directly related to the stable operation of the whole PC computer. In our daily life, it is not uncommon for us to encounter motherboard failures. Common motherboard failures are generally the following: first, af

Tag:byte Issues substrstring youdaorgs[]tac 1. The phenomenon of high CPU utilization. 2. Cause 1. The dead loop 2.JVM heap occupies too large-high frequency full-gc3. Troubleshooting 1. Use the top command to find the process with the highest CPU consumption 2. Using the TOP-HP process (the process number obtained in the previous step), Locate the thread that consumes the CPU. 3. Use the [Jstack process and jstat-gcutil process 1000 100] to find out

For online users, often due to high traffic, program bugs, dependency failures, thread deadlock, configuration errors and other causes the system does not need to introduce some common Java troubleshooting tools to troubleshoot problems.First, common tools:The JDK itself provides a series of Java troubleshooting tools, albeit simple, but useful.1,jpsJPS is used to output some JVM virtual machine process inf

1, first through the top command to view the high CPU-occupied PID#topTop-18:07:25 up-Days, 1:07, 3 users, Load average:11.94, 11.90, 9.46tasks:271 Total, 1 running, sleeping, 0 stopped, 0 zombie%CPU (s): 74.2 us, 0.8 sy, 0.0 ni, 24.8 id, 0.0 wa, 0.0 hi, 0.0 si, 0.2ndKiB mem:65808884 Total, 5901708 free, 46771732 used, 13135444 Buff/cacheKiB swap:524284 Total, 129448 free, 394836 used. 18397044 Avail MemPID USER PR NI VIRT RES SHR S%cpu%MEM time+ COMMAND444 Root 0 20.181g 0.011t 28220 S 1181 17.

Minimizing the scope of the problem can make troubleshooting more effective. The regularity of the problem and the specific circumstances often imply the cause of the problem. Here are some of the checklist that can help reduce the range of errors. Browse through these questions before you go wrong, and there might be additional discoveries. 1. Do you have the latest patches on your phone? 2. Do you have any known

The recent HBase cluster encountered a slow query request, the following is a specific description of the problem and troubleshooting process. 1. Finding problems There is a hbase table in the project, the early morning will be concentrated in bulk import a batch of data, import data is very large, in tens of millions of magnitude, and then the day to provide users with query services. One day suddenly found that the table according to each region (

. Analyze, exclude: indicates no dial sound; Check that the phone line is properly connected to the modem. 20. Symptom: When the "Disconnected" appears on the computer screen. Analysis, exclusion: Indicates termination of the connection, if the prompt appears when dialing, check the power of the modem is turned on, if the hint is used in the process, check whether the phone is used by people. 21. Symptom: The "Error" prompt box appears on the computer screen. Analysis, exclusion: is error in

What if the computer suddenly has no sound? Today, there is a strange problem, the computer suddenly no sound, just listen to the song when the computer also has a voice, and later with another friend with QQ voice through the words, no matter what play software (cool dog, chin listening, cool music box, etc.) play music, video, computer no sound. At that time, because the other one such as sound cards, small speakers, volume, etc. are normal. After a series of

circuit and video card VGA interface connection. Although this kind of connection form solves the problem of signal matching, it brings the problem that the distortion is easy to be disturbed. The reason, mainly because the LCD itself clock frequency and input analog signal clock frequency to maintain 100% of the synchronization, especially in the analog synchronous signal frequency constantly changing, if at this time the LCD synchronous circuit, or with the video card synchronization signal c

MySQL Troubleshooting example: "Another MySQL daemon already running with the same UNIX socket". [[email protected]121 sbin]# service mysqld statusmysqld has been stopped [[email protected]-121 Sbin] # service Mysqld startanother MySQL Daemon already running with the same UNIX socket. Starting mysqld: [Failed][[email protecte D]-1212002 (HY000): Can'/var/lib/mysql/mysql.sock ' (111)Linux operating system Abno

Label:WordPress Web page file does not open (client denied by server), White screen (HTTP 500) Troubleshooting order 1. Review the Apache error log speeding problem report to find the problem "client denied by server". 2.client denied by server is a permissions issue Set httpd.conf or virtual host Vhost permissions in the. conf are related to.Rewriteengine onAllowOverride FileInfo or allRequire All granted etc. 3. After resolving the permissions issue

Com.ibatis.sqlmap.engine.impl.SqlMapExecutorDelegate.update (sqlmapexecutordelegate.java:457) at Com.ibatis.sqlmap.engine.impl.SqlMapSessionImpl.update (sqlmapsessionimpl.java:90) at Org.springframework.orm.ibatis.sqlmapclienttemplate$9.doinsqlmapclient (sqlmapclienttemplate.java:383) at Org.springframework.orm.ibatis.sqlmapclienttemplate$9.doinsqlmapclient (sqlmapclienttemplate.java:381) at Org.springframework.orm.ibatis.SqlMapClIenttemplate.execute (sqlmapclienttemplate.java:203) ... Moreand

Recently wrote a program, real-time read Rsyslog log, but encountered a problem: MySQL insertion speed delay, very slow, so began to troubleshoot;1. Analysis procedures, will be considered more time-consuming place for threading analysis, invalid;2. According to the online, multi-line insertion, commit has no effect;3. Reload MySQL driver, invalid;4. Write a simple test statement inserted into the database, found slower, further in MySQL to execute SQL statements found slower, OK is the problem

Atitit. Troubleshooting Series ---php program site database error exclusion processthe error reported on the PHP page cannot be located on the db configuration of the myusql ... word says yes DB Conn ErrMysql Access error ... probably see if Ha can line up the configuration file .. three , The heart is not dead , son can Trace LAN ...Author:: Old Wow's paw attilax Ayron, email:[email protected]Reprint please indicate source: Http://blog.csdn.net/att