what is disk usage

NETAPP Clustered Data ONTAP 8.3 Significant improvements for 7 modeBefore NetApp released Cdot 8.3, many 7 of old users were reluctant to upgrade, except that the concept of CDOT was relatively complex, and the command line needed to be re-learned,

Before we introduce the disk I/O monitoring commands, we need to understand the metrics for disk I/O performance monitoring, and the performance of some aspects of the disk revealed by each indicator. Indicators for disk I/O performance monitoring

The loggly Log Management Service uses Elasticsearch as a search engine in many of its core functions. In his article "ElasticSearch vs SOLR", Jon Gifford noted that the field of log management has a higher demand for search technology. In general,

ln [options] ... Target Link Name-S,--symbolic create symbolic links instead of hard linksDescription: Creates a hard link by default.Hard Links:1. Only the file can be created, not the directory.2. Cannot be created across file systems (partitions).

Address: http://www.cnblogs.com/lovecindywang/archive/2011/03/02/1969324.html We tested the performance of MongoDB's hundreds of millions of data records and tested the following items: (ALL inserts are performed in a single thread, and all

1. detailed usage of the du command Common commands: [B] du [/B]- Query the disk space used by an archive or directory A: displays the disk space occupied by all directories and each file in the second directory. B: The size is represented

Hadoop HDFS clusters are prone to unbalanced disk utilization between machines, such as adding new data nodes to clusters. When HDFS is unbalanced, many problems will occur, such as Mr.ProgramThe advantages of local computing cannot be well utilized,

The code for Java to obtain the current system memory is as follows: Import java. Lang. Management. managementfactory;Import com. Sun. Management. operatingsystemmxbean;Public class ostest {Public static void main (string [] ARGs

Document directory Du command: DF command:  Unallocated space in the file system is used to determine the size of allocated space in the file system. For example, if a file system contains 8192 512-byte blocks and 4096 are not allocated, the

We tested the performance of MongoDB's hundreds of millions of data records and tested the following items: (ALL inserts are performed in a single thread, and all reads are performed in multiple threads) 1) General insert performance (each

View Disks (1) view the file size View the size of all files in the current folder (including subfolders)Du-SH# Du-H15 m./package16 K./. fontconfig4.0 K./. Cache5.1 m./. rpmdb20 m.View the size of all files in a specified folder (including

A primary partition, also known as a primary disk partition, is a type of partition like an extended partition or a logical partition. The primary partition cannot be divided into other types. Therefore, each primary partition is equivalent to a

Linux basic commands (2) commands on disk space, linux disk spaceDisk Space commands Command Function Mount Mount a File System Umount Detach a mounted file system Df Check the disk space of each hard

Linux disk and File System Management (1) _ partition formattingLinux disk management Hard Disk: mechanical hard disk SSD solid state disk mechanical: track sector: minimum texture storage unit, each sector size is 512 bytes cylinder cylindrical:

UDP (packet length, packet collection capability, packet loss and process structure selection)UDP Packet Length: the theoretical length of a UDP packet What is the theoretical length of udp data packets and what is the proper udp data packet? From

Cacti is a software implemented in php. Its main function is to use the snmp service to obtain data, store and update data using rrdtool, and generate charts and present them to users. Previous articles briefly talked about Cacti monitoring The

Cacti is a software implemented in php. Its main function is to use the snmp service to obtain data, store and update data using rrdtool, and generate charts and present them to users. Previous articles briefly talked about Cacti monitoring The

Linux disk management commands and usage examples, linux disk command examplesLinux disk management Linux disk management is directly related to the performance of the entire system. Linux disk management commonly uses three commands: df, du, and

As I needed to train my colleagues on database indexing knowledge, I collected and sorted out this series of blogs. This is a summary of index knowledge. After summing up, I found that many vague concepts were much clearer in the past. Whether it is

DF-Hl view the remaining disk space The Du-Sm folder returns the total number of MB in the folder. For more information, see DF -- help, the man manual of DF. Usage: Du [Option]... [file]... summarizes the disk usage of each file, and the