file sync program

The log file sync (Log File sync) Wait event has a parameter: Buffer #. In Oracle Database 10 Gb, such wait events are located below commit wait events. When processing Log File sync wait events, pay attention to the following ide

Reprinted: http://www.cnblogs.com/yanxiaodi/archive/2011/03/21/2296462.html Server File synchronization Management A few days ago, the power of a server went down. Fortunately, the data was not lost. Therefore, you must back up the Server File Content. The server is mainly used to provide website services. With a database, the database can be distributed and subscribed. The Web

BT Sync IntroductionBT download, I believe everybody knows. Today to introduce the BT Sync, like BT download, are the BitTorrent company invented drops, are used to transfer the same-peer protocol.In short, BT sync is a file Sync tool that lets you

When files on one server are updated, other servers also need to be updated, and when they are updated It should be updated only on new or modified files, otherwise it will cause network bandwidth and waste of time. Rsync is able to have Excellent software that keeps files and directories consistent. Rsync,remote Synchronize As implies know it is a remote synchronization function of the software, it synchronized files at the same time, you can keep the original

Tags: processes PHP will also be the Principle tab pad nbsp affect spaceThis is the case for a customer in March, because after a server hardware failure, the business translation occasionally appears slow to commit. Let's take a look at the awr situation first. We can see that the load profile information for this system is actually not high, only 21 transaction per second. First Look at top5events: From the top 5event, we can find that the AVG wait of log

Use tracing to generate log (data synchronization log) [desktop] The sync Service for Ado.net is an important part of Microsoft's MSF (Microsoft Sync Framework), which provides a complete development framework for synchronizing offline data with various scenarios. We can use it to develop some complex scenarios to adapt to complex enterprise logic. For example, in a distributed scenario: we create a server

The principle of debugging on Device and Desktop is the same, but the configuration file is different, the first time to read this article of friends, please refer to [Desktop]: http://www.cnblogs.com/liangyiming/archive/2009/04/01/1427388.html Tracing works the same as Desktop on Device, but the configuration method is slightly different. Because the Sync Service for ADO. NET Based on WinCE does not publi

Use tracing to generate log (data synchronization logs) [device] The principle of debugging on the device and desktop the same, but the relevant configuration files are different, the first time read this article friends, please refer to the "desktop article" The principle of using tracing and desktop is the same on device, only slightly different configuration methods. Because the wince Sync Service for Ado.net does not publicly declare support fo

Tags: style http color os using IO strong for ARfrom the white master (eel with) to log file sync waiting event Optimization summary, for you puber to learn the reference:The log file Sync average wait time exceeds 7ms, if the waiting time is too long, it means that log write is too long each write, if you can optimize

Sync file Backup tool Super flexible file Synchronizer Pro v4. Used to back up data or sync files between PCs, laptops, and servers at different locations to support timed automatic backups. Synchronizes files, supports multiple profiles, detects deleted files, supports scheduled runs, available mail notifications, sup

This is the case of a customer in February March. The reason is that after the server hardware is replaced, the Business Translation occasionally experiences slow submission. Let's take a look at AWR. We can see that the load profile information of the system is actually not high, only 21 transactions per second. Let's take a look at top5events: From the top 5 events, we can find that the AVG wait of Log File

Nextline () method is just the enter key, that is, the nextline () method returns all characters before the ENTER key. It is possible to get a string with a space.Import java.util.hashmap;import java.util.map;import java.util.scanner;import java.io.*;import java.math.*;p ublic Class main{public static BigInteger fun (int n) {BigInteger num = Biginteger.one; for (int i=1;iNo map with Hashimport java.io.*;import java.util.*;import java.util.Scanner;import java.math.BigInteger;imp

Log file switch and log file sync 10.3.15 log file switchThere are two wait events commonly encountered: log file switch (archiving needed) log file switch (checkpoint incomplete) In both of the events, the LGWR is unable to switc

Purpose Description The Linux kernel to achieve optimal disk operation efficiency, the data that needs to be written to disk is now cached in memory and is actually written to disk at the right time, which is not problematic in most cases and improves the efficiency of the system, but if the system is machine, power off, There will be some file content that will not be saved. When the Linux system shuts down or restarts, the contents of the buffer

The 'Log file sync' wait event in the RAC database is more complex than the 'Log file sync' wait event in the Standalone Database, mainly because the RAC database needs to synchronize the SCN to all instances. The 'Log file sync'

Content Introduction 1 Part Three: File transfer, dashing sync 2, The fourth part of the lesson four: analysis of the network , isolation of fire file transfer, dashing syncThe content of this lesson is relatively simple, so we enjoy it slowly.After learning from the previous lesson, we already know how to connect to other computers rem

/init. d/rsyncd scriptPid file =/var/run/rsyncd. pidPort = 873Address = 192.168.1.171# Uid = nobody# Gid = nobodyUid = rootGid = root Use chroot = yesRead only = yes # Limit access to private LANsHosts allow = 192.168.1.0/255.255.255.0 10.0.1.0/255.255.255.0Hosts deny = * Max connections = 5Motd file =/etc/rsyncd. motd # This will give you a separate log file# Lo

1. AWR report for the first 7 days of 2018-09-26 (Oracle usage is 4,022.34/6,179.76/24=2.71% during this period)The most notable problem is the log file sync wait event, which is accompanied by the log file parallel write wait event, which is also relatively high, initially judging this database operating system I/O usage is high, and through the Windows Task Man

= /etc/rsyncd.motdport = 873address = 192.168.20.24#uid = nobody#gid = nobodyuid = rootgid = rootuse chroot = yesread only = no# limit access to private LANshosts allow = *hosts deny = *max connections = 5# This will give you a separate log filelog file = /var/log/rsync.log# This will log every file transferred - up to 85,000+ per user, per sync# transfer loggin

Tags: Add file Properties 1.0 let rsync common options default Sync Tool Listen port passwordLinux file Sync Tool-rsyncInstall packageyum install -y rsyncRsync Common Options -A: Archive mode, which means to transfer files recursively and maintain all properties;-rlptgod;-r: Synchronize the directory to add, s