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Tags: star serve import table prot Word roc NSA rest CharMySQL master-slave replication principle1. First master records data updates to a binary Binlog file2.slave requests the Binlog log file to the master via the I/O thread to specify the content after the location3.master receives slave IO request, it will start from binlog corresponding location point, to slave log4.slave after receiving the log, it is written to the local relay log relay log5.sl

Tags: Hub compress resource second zone NSA local lock prot http://blog.csdn.net/leshami/article/details/46815553Https://www.cnblogs.com/zhoujinyi/p/3423641.html Compiling and installing Mydumper Https://launchpad.net/mydumperHttps://github.com/maxbube/mydumper wget https://launchpad.net/mydumper/0.9/0.9.1/+download/mydumper-0.9.1.tar.gz cmake . make make install 2 files generated under/usr/local/bin: Mydumper

Tags: common session Shu checkpoint Oracle shutdown NSA normal offDatabase stopped:Shutdown normalNo new connectionWait for the current session to endWait for the current transaction to endForce checkpoints and close files (consistent close)Shutdown transactionalNo new connectionEnd Current sessionWait for transaction to finish(Consistent close)Shutdown Immediate CommonNo new connectionEnd Current sessionDo not wait for transaction to end(Consistent c

Tags: show NSA duplicate. com dirty read data inconsistent inconsistent unlock shareconcurrency controlSize of Lock:Table-Level LocksRow-level LocksLock:Read lock: Shared lock, read-only non-writable, multiple read non-blocking,Write Lock: Exclusive lock , Lock, a write lock will block other read and write locksRealizeStorage Engine: Implement its own lock policy and lock granularityServer level: Implement lock, table level lock; user can explicitly r

Tags: consistency acid sequence start City feature no NSA meaningThe database transaction transanction four basic elements that are correctly executed.ACID atomicity (atomicity)Atomicity: All operations in the entire transaction, either complete or complete, are not likely to stall in the middle of the process. When an error occurs during execution, the transaction is rolled back (Rollback) to the state before the transaction begins, as if the transac

Tags: enforce bar ISP command RMI IMG Outstanding ABS Linux SystemSELinux (security-enhanced Linux) is the United States National Security Agency (NSA) implementation of mandatory access control, is the most outstanding new security subsystem in the history of Linux.Turn off SELinuxTemporary entry into force:Order temporary Effect: Setenforce 0 (temporary effective can be directly with setenforce 0) 1 enable 0 alarm, do not enabl

Tags: text place set national command line standard LLD warning features2nd Chapter PS1 (environment variable)Variable: x+y=10 known x=11 y=?Environment variables: Features uppercase meaning (can be used in most places in the system meaning basically unchanged) system creation PS1 ===== martial arts cheats (sunflower treasure) Echo $PS 1 ===== book ps1= ' [\[emailprotected]\h \w]\$ ' ===== Write content "If you want to practice this work, you will be successful." 2.1 co

system, such as Root,user_u,system_u, where most local processes are part of the free (unconfined) processRole: Defines the file, process, and user's purpose: File: Object_r, process, and User: System_rType: Specifies the data type, the rule defines which process type to access which file target policy is based on type implementation, multi-service common: public_content_tSensitivity: the need to restrict access, hierarchical security levels defined by an organization, such as unclassified, Sec

Tags: Apply get image NSA add lag TAC Core representation1. What is the kernel stack for a process?In a kernel state (such as an application process executing a system call), the process runs with its own stack information (not the stack in the original user space), but instead uses the stack in the kernel space, which is the kernel stack of the process2. How is the kernel stack of the process described in the computer?The process in Linux uses the TA

Tags: file production environment access control LED load multi RMI deb BugAbout SELinuxSELinux (security-enhanced Linux) is the United States National Security Agency (NSA) implementation of mandatory access control, is the most outstanding new security subsystem in the history of Linux. Because of the need to control the mandatory access, so this feature makes the system administrator love and hate, a majority of production environment is to shut hi

SELinux (security-enhanced Linux) is the United States National Security Agency (NSA) implementation of mandatory access control, is the most outstanding new security subsystem in the history of Linux. Under the restriction of this access control system, the process can only access files that are needed in his tasks. SELinux is installed on Fedora and Red Hat Enterprise Linux by default.Although SELinux works well, in most cases we turn it off because

Tags: completed after stat splay write send done develop NSA consStatement: The blogger is using the CentOS6.9 systemResources:HTTPS://Github.com/rvoicilas/inotify-tools/wikihttp://www.ibm.com/ developerworks/cn/linux/l-inotifynew/2. 6 file system Change notification mechanism in the kernelReferencesInstructions for installing inotifyFirst, be sure to confirm the three files that must exist in the system before installing the INotify software.[Email p

of the average engineer's output is poor. The architecture sucks. (in particular, the Java EE Architecture) Indian contractor This is a good study. Development efficiency that's absolutely slow ... Oh.2) Advanced engineer output is several times more than the average engineer production, even a new language, they get started, the efficiency of doing things is much higher. If you are the boss, please treat them kindly.3) The architecture is very impor

is suitable for watching2. Cute animation, love firstThe story of the other's daughter is over on campus + funny + pure loveThe first love in the high school age is very pure and true. After reading this article, we will find that it is really nice to be young ~~"May the moment be eternal" campus + love is overLove is an old and classic love work.Campus + magic + love is overThe heroine is very brutal. The male is handsome and a little bad. It can be very good as soon as it comes up (the

Reprinted from: Http://blog.csdn.net/ohmygirl/article/details/178461991. Why is fiddler?Grasping contractor has many, small to the most commonly used Web Debugging tools Firebug, to reach the universal powerful grab bag tool Wireshark. Why use fiddler? For the following reasons:Although A.firebug can grab packets, it is not powerful enough to parse the details of an HTTP request. The ability to simulate HTTP requests is not enough, and firebug often r

: [Share today's mood]: After dinner at noon today, I went back to cnblogs and saw a girl's post on an algorithm. Amazed that a girl can be so persistent in technology, At this time, I was seen by the boss and told me Robbin. You should not hold on to the idea of algorithm supremacy every day to see if I don't understand algorithms and do not earn more than you. At this time, I did not dare to speak back, but there was a picture in my mind: A contractor