space usage

After a file is deleted in Linux, the space is not released. ########################## restart the file application. In this way, the application can be released. Reason: linux only deletes the link between the file and the system directory

I. Viewing memory informationYou can use the free command to display the total amount of physical memory and swap partitions for the system, as well as the amount of memory used, idle, shared, in-kernel buffering, and cached.Use the free command to

First day1. The relationship between system software, application software, users, etc.??????The shell is communicated to the user. It deals with users in the form of commands. We win7 and so on to use the graphical interface to deal with users.2,

First, about this article The monitoring system to be done requires monitoring the usage of disk space and alerting. When testing this feature, it is necessary to simulate two scenarios: one is the need to trigger the alarm mechanism when the disk

How can I use the php file system function to obtain the size of disk partitions? the file system function can not only operate on directories and files, but also obtain information about directories and files, can I obtain the size of the disk

After a file is deleted in Linux, the space is not released. ########################## restart the file application. In this way, the application can be released. Reason: linux only deletes the link between the file and the system directory

After my Blog is optimized, it has been running well and fast. However, it suddenly became very difficult from yesterday. After logging on to the server, I checked that the disk space usage was 100%. Taking a closer look, MySQLbinlog occupies a vast

ORACLE in the virtual machine has been running for a long time, archiving and data files are constantly increasing, and the original ORACLE installation space is insufficient. In this case, you can add a hard disk to the VM again ORACLE in the

Dbccshowfilestats displays database space usage sp_spaceusedtb_Test displays table usage. If a non-dbo Scheme is contained, special processing is required. For example, if the scheme used by our table tb_Test is Dx, write as follows: sp_spaceused

Compressing database files can improve database performance. However, when compressing a database, the system will remind you that the database cannot be compressed. If you delete database objects in the Access database or delete objects in the

In linux, the du and df commands also asked me about the command for viewing the directory size in Linux. now I have learned the commands du/df a while ago. A while ago, during the sub-test, the program could not be executed due to the full disk

The project environment encountered a lot of small files, at first, in addition to Namenode memory, is still relatively worried about the use of file physical space. So just look at how small files occupy the physical space:Prerequisites : HDFS

Five interesting Linux Command Line skills Have you made the best use of Linux? For many Linux users, there are many useful features that seem to be a skill. Sometimes you need these skills. This article will help you better use some commands and

Basic use of CentOS1. view the running status of the process:Ps [options] [-- help]This command can be used to view the running status of processes in the instant computerParameter description:-A all: list all processes.-W width, show widening to

Getting started with C Programming in Unix/Linux (39) shell Command System Management, getting started with shellDf command This function is used to detect disk space usage and free space in a file system. It displays the usage of nodes and disk

1. Purpose 1.1.1. Monitor the current running status of the database to ensure stable operation of the database 1.1.2. Monitor database backup/ha to reduce risks and responsibilities when problems occur 1.1.3. Monitor the overall running status of

Monit is a monitoring software that provides rich functions for processes, files, directories, and devices. It is used on UNIX platforms. It can automatically fix stopped programs and is suitable for the Special Envoy to handle software errors

Mount Management:GPT Partitioning mechanism:When a single hard disk exceeds 2T, the MBR partition mechanism is out of order, using the GPT partition mechanismSSD: Solid State DriveElectrical hard drive, very good working characteristicsPartition:

First, design backgroundBecause of the company's Oracle database, traditional manual monitoring table space is time-consuming, and can not record the historical table space data, can not judge the daily table space growth, in the absence of

Problem Description:When generating large amounts of data for performance testing, the current table data 100w is generated from the stored procedure, and then the data for the past two months is generated from the current table data through another