file system cache

Written in front This blog to take on a MySQL default engine InnoDB primary discussion (ii) continue to explore the MySQL database InnoDB storage engine InnoDB file MySQL database and InnoDB storage engine tables for various

MySQL Node deployment instructions1.MySQL Compilation and InstallationConsidering the features of MySQL multi-version and multi-branch, comprehensive performance, availability, cost and other factors, we recommend using Percona company developed

Redo logs are used to achieve the persistence of transactions, i.e. d in acid, consisting of two parts:One is the in-memory redo log buffer (redo log buffer) easily lostThe second is Redo log file (redo log files) persistentInnoDB is the storage

"Disclaimer: This blog post is reproduced from http://www.cnblogs.com/ljhdo/p/5149401.html"The most recent work has been to deal with the SQL Server database, which requires a more comprehensive understanding of SQL Server. So also in the urgent to

1, ranging from large to small 10 memory usage processesPS aux | Head-1; PS aux | Sort-rn +3 | Head-10To view the process in detail:Ps-ealf | Head-1; Ps-ealf | Sort-rn +9 | Head-10# ps aux | head -1 ; ps aux | sort -rn +3 |

SincethelatestchangesmaderecentlywithinInnoDBcode (MySQL5.6) toimproveOLTPRead-Onlyperformancesupportoffulltextsearch (FTS), IwascurioustocompareitnowwithMyISAM. Since the latest changes made recently within InnoDB code (MySQL 5.6) to improve OLTP

7.4.5how does MySQL use index indexes to quickly find records with specific values. If no index exists, MySQL must read the entire table from the first row of records to retrieve records. The larger the table, the larger the resource consumption. If

Today, we will mainly describe the timing and operation steps for optimizing the configuration of the MySQL server, as well as the things worth mentioning during the Optimization Configuration of the MySQL server. Today, we will mainly describe the

I used stat to view a php file and found that only the first access was recorded. This indicates that the php interpreter will only compile this file once without modification, right? Please explain the php compilation and Cache Mechanism I used

The performance of a system, in addition to the program itself to write the perfect, but also to see the PHP itself some problems, for PHP operation optimization, mainly have these accelerators: Wincache,xcache,zendopcache,eaccelerator accelerator;

Configuring a large memory for the database can effectively improve the database performance. Because the database is running, a region is allocated in the memory as the data cache. Generally, when a user accesses a database, the data is first read

Original Http://write.blog.csdn.net/postedit?ref=toolbarProject Description:One of the biggest headaches on Android is getting pictures, displays, and recycling from the web, and it's possible that the project can help you with any problem.

Windows XP memory adjustment wizard Author: .com.cn Compared with Windows 9x, although Windows 2000/XP provides a better memory management mechanism, you need more memory to make them run smoothly and more efficiently. This article

It is often necessary to monitor the running status of memcached on the server, such as the number of cache queries and hit rate. ButThe memcached-tool is written in Perl in Linux, and I have never tried whether it can be used in windows. Later I

How to view server information in centos LinuxSome customers often ask Cloud Zhi interconnection to view some hardware configuration methods of the server. The following uses centos as an example to share various information viewing methods with

Some time ago, a problem caused me to study Io queue depth. The mpt2sas driver module of the Linux Kernel on the Storage Server sets max_queue_depth to 1024, which causes the system to get stuck when loading the driver, but it is okay to adjust it

One of the major changes introduced by ADO. NET is the useDatatable,Dataset,DataadapterAndDatareaderThe combination of objects replaces adoRecordsetObject.DatatableRepresents a set of rows in a single table, which is

One disk physical structure (1) disk Disk: the disk body consists of multiple disk fragments stacked together. When the hard disk is released, the hard disk manufacturer completes low-level formatting (physical formatting). The function is to divide

Monitoring methodsRecommended Use Windows The "Performance Monitor" that comes with the old version of the Windows called performance counters) to monitor the performance of the server. Open the Management tool in Control Panel, open Performance

Download: Many posts on Google have introduced the installation method of version 1.2.1 in windows, but it has expired. There are also many Windows versions that require the GNU environment to compile, I need to have Linux environment software, so I