what lock file

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Lucene. Net: some supplementary descriptions and summary of Indexes

ArticleDirectory 1. mergefactor 2. maxmergedocs 3. rambuffersizemb 1.. gen format and segments_n 2. CFs format   3. Lock format 3. FNM format 4.. fdx and. FDT formats 5. tii and. Tis formats 6. deletable format

ActiveMQ HA solution based on shared file system

ActiveMQ HA solution based on shared file system ActiveMQ HA solution based on shared file system Configure NFS server Yum install nfs-utils rpcbind Set the shared directory and edit/etc/exports /Home/mq1_data 192.168.41.199 (rw, sync,

MongoDB startup failure solved

System: CentOS5.5ViewLog: [root @ localhostmongo] # tail-20usrlocalmongomongodb.logMonSep1906: 14: 55 [initand System: CentOS 5.5 View Log: [root @ localhost mongo] # tail-20/usr/local/mongo/mongodb. log Mon Sep 19 06:14:55 [initand System:

PHP flock file lock details

Flock(PHP 4, PHP 5)Flock-lightweight consultation file lockingDescriptionBool flock (int $ handle, int $ operation [, int & $ wouldblock])PHP supports a lightweight method of locking all files in the consulting mode (that is, all access programs

Application of nginx lock mechanism in automatic server monitoring script

Introduction: This is a detailed page on the application of nginx lock mechanism in automatic server monitoring scripts. It introduces PHP, related knowledge, skills, experience, and some PHP source code. Class = 'pingjiaf' frameborder = '0' src =

Lucene index structure (explained to all types of files in the Lucene index segment)

There are two articles A and BThe content of article A is:Tom lives in Guangzhou, I live in GuangzhouToo.The content of article B is:He once lived in Shanghai. 1. Because Lucene is based on keyword indexing and query, we need to obtain the keywords

MongoDB startup failure solved

System: CentOS 5.5 View Log:[Root @ localhost mongo] # tail-20/usr/local/mongo/mongodb. log Mon Sep 19 06:14:55 [initandlisten] MongoDB starting: pid = 4126 port = 27017 dbpath =/usr/local/mongo/data 64-bit Mon Sep 19 06:14:55 [initandlisten] db

Global configuration of apache server (full)

Apache server global configuration-server identification Configuration Commands related to server identity:ServerNameServerAdminServerSignatureServerTokensUseCanonicalNameUseCanonicalPhysicalPort The ServerAdmin and ServerTokens commands control

PHPflock file lock details

To ensure the effectiveness and integrity of the operation, you can use the lock mechanism to convert the concurrent status to the serial status. as one of the lock mechanisms, PHP file locks are also designed to cope with resource competition.

How to use PHP file lock? PHP file lock Getting Started tutorial

$file = "Temp.txt"; $fp = fopen ($file, ' w '); if (Flock ($FP, lock_ex)) { Fwrite ($fp, "abc\n"); Sleep (10); Fwrite ($fp, "123\n"); Flock ($FP, lock_un); } Fclose ($FP);

Minimum version selection (VGO)

This is a creation in Article, where the information may have evolved or changed. This article is translated from the 4th part of Minimal Version Selection, Go & Versioning, and the copyright @ the original. The versioned Go command must decide

Composer.json: Project Installation

Basic usage Basic usage Installation composer.json: Project Installation About require Key Package Name Package version Next important version (tilde operator) Stability

(Python) Writing the login interface

Requirements:1. Enter the user name, password2. Display welcome message after successful authentication3. Input error 3 times after being lockedFlow chart:The password_file format for creating the password file is as follows:ADO 123AAA 234BBB 456The

Python's Job Writing login interface (first day)

Job: Writing the Login interface Enter User name password Show welcome message after successful authentication Three-time error after locking There are two types of scripts written for this instance, slightly different, as

Apacheserver Global Configuration Specific explanation

Server Identity Related directives:ServerNameServerAdminServersignatureServertokensUsecanonicalnameUsecanonicalphysicalportThe serveradmin and Servertokens directives control what information about the server will be in today's server-generated

CentOS use Rsync to implement the scheduled copy function

First, download, install rsync Normal when the RH is installed with rsync, run files on the/usr/bin/rsync #tar ZXVF rsync-2.6.9.tar.gz #cd rsync-2.6.9 #./configure--prefix=/usr/local/rsync #make #make Install Second, configure Rsync server 1. Start

About could not get lock/var/lib/dpkg/lock solution in Ubuntu

In Ubuntu, there are times when you use sudo apt-get install to install software. E:could not get Lock/var/lib/dpkg/lock-open (11:resource temporarily unavailable)E:unable to lock-administration directory (/var/lib/dpkg/), is another process using

dial-up Server Maintenance

The maintenance and management of dial-up servers is a complex task involving both the server side and the client, software and hardware. It requires administrators to practice more, and good at induction and summary, only in this way, can form a

Getting Started with Go language--DEP

  This article has seen a lot of maven content, more suitable for Java programmers to read, if your language is dependent on the management of the program and MAVEN is very different, may be in some places will not understandA long time ago, the

Apache Server Global configuration detailed (full) _linux

Apache Server Global Configuration Server Identity Configuration ChapterServer Identity Related directives:ServerNameServerAdminServersignatureServertokensUsecanonicalnameUsecanonicalphysicalportThe serveradmin and Servertokens directives control

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