Download Nmon.Depending on the type of CPU you choose to download the appropriate version:Http://nmon.sourceforge.net/pmwiki.php?n=Site.Downloadwget http://sourceforge.net/projects/nmon/files/download/nmon_x86_12a.zip/downloadI'm going to get you a package.Nmon Performance: Analyze AIX and Linux free tools for performance: http://down.51cto.com/data/2316752Nmon analyser--free tool for generating AIX performance reports: http://down.51cto.com/data/2316
collected 60 times, that is, the acquisition of 10 minutes of data.-F generates a data file name that contains the time when the file was created.The storage directory of the data files generated by-M.This generates a Nmon file and updates every 10 seconds until 10 minutes later.The generated file name is: nmon-h See more help information.2). To generate a report:Download Nmon Analyser (free tool for generating performance reports):Https://www.ibm.co
how many timesA good data report has been generated and can be downloaded and opened with the Analyser log Analysis tool on the Windows machineFour. Data analysisDownload Nmon Analyser (free tool for generating performance reports):Download page: Https://www.ibm.com/developerworks/community/wikis/home?lang=zh#!/wiki/Power%20Systems/page/nmon_analyser:https://www.ibm.com/developerworks/community/wikis/form/
, swapping in rate/out rateAbove is the page exchange, this is the process interaction.12. Disk I/O writes/readsVirtual memory is partitioned on the hard disk, and when memory is low, physical memory interacts with the virtual memory, responding to the I/O problems of the disk.Looking at analyser, the interface is as gorgeous as spotlight on Oracle, pleasing to people:Summarize:Spotlight on Unix The only flaw is that such a perfect
mobile devices, where a common Wi-Fi network is so popular.Data for the Merge Device Analyzer (analyser)Device analyser is another source of data used to count Android devices. One of the features is that it tracks how frequently users start different applications. They use enough patience to cross-reference the data on the list of potential defect applications, giving the following results:Average number
.
In this way, a nmon file is generated and updated every 10 seconds until 10 minutes later.The generated file name is hostname_0901__1306.nmon. "hostname" indicates the host name.
Generate Reports:Download nmon analyser (a free tool for generating performance reports ):Http://www.ibm.com/developerworks/wikis/display/Wikiptype/nmonanalyser
Upload the previously generated nmon data file to a Windows machine and use Excel to open the analysis tool nmon
resources
-S Interval
-How many times does c collect data?A good data report has been generated, which can be downloaded and then opened on a windows machine using the analyser log analysis tool.
Iv. Data Analysis
Download nmon analyser (a free tool for generating performance reports ):
Download: https://www.ibm.com/developerworks/community/wikis/home? Lang = zh #! /Wiki/Power % 20 Systems/page/nmon_analy
unreleased memory (such as shared memory), or even terminate the program;4) leakage occurs inside the operating system;5) leakage occurs in key drive of the system;6) memory is very limited, for example, in an embedded system or a portable device;7) when running on an operating system (such as AmigaOS) where the memory is not automatically released upon termination, and once lost, it can only be restored by restarting.
Ii. Memory leakage detection tools
When no other Java object references it,
Nmon command to monitor the system resource consumption in real time:CPU, memory, disk, and network consumption are all visually displayed.Three. Generate the Nmon report.1). Collect Data:#nmon-s10-c60-f-m/home/Parameter explanation:The-S10 collects data every 10 seconds.-c60 collected 60 times, that is, the acquisition of 10 minutes of data.-F generates a data file name that contains the time when the file was created.The storage directory of the data files generated by-M.This generates a Nmon
1: There are many ways to connect to a network, but I have not found a book that can be fully understood. Can you summarize it? From dial-up to optical fiber access and other access methods, provide a practical operation manual or solution with various access cases.
Question 2: leased line connection. Connect networks in different plots to form a LAN. Which methods are available? If I applied for an SDH/DDN/MSTP leased line access in China Telecom, c
occurs when reading and writing the MD device.
3. Quick test command
When creating a disk, if the data on the device is already synchronized (sync), or only used to test the array, you can use the -- assume-clean parameter to notify the MD driver that the array does not need to be initialized.
Mdadm-C/dev/md0-l5-n6/dev/sd [B-g]-x1/dev/sdh -- assume-clean
If you want to avoid the previous metadata prompts on the device during each command creation by
A DB link must be established between one Oracle database and another oracle database a few days ago to insert data from one server to another.
Oracle Server A: Sid: SDH, USERID/PW: Nm/Nm
Oracle Server B: Sid; gsgx, USERID/PW: GS/GS
Create the following dB link:
Create a DB link from B to:
Create database link testdb connect to nm identified by nm using 'sdh ';
DB link is created successfully. Select
-multipath user tool: Use the FDISK command to see the 4 disk devices identified by the system, which are the device names of multiple paths, actually pointing to the same LUN on the storage, This indicates that the red flag operating system has correctly identified the LUNs partitioned by EMC CX storage and is preparing for the next multi-path management. The command and output are as follows:#fdisk-Ldisk/dev/sdf:103 GB, 107374182400 bytes heads, sectors/track, 102400 cylindersUnits = Cylinders
station NodeB and the base station controller RNC. Because node B is usually very decentralized, the transmission from Node B to RNC often requires access and aggregation of two tiers of network, while the implementation of Node B traffic statistics multiplexing and convergence to improve transmission bandwidth utilization and reduce the ability to support the RNC port too high requirements, In Utran transmission network, 3G service is often required to converge on ATM/IP. (Computer science)
3
the entire scheme very expensive and difficult to implement.
MSTP is the most suitable
MSTP provides a network platform based on SDH, providing a wide range of business interfaces and processing capabilities, providing flexible support for ATM, IP and TDM services, and delivering efficient transmission solutions for 3G operators. In view of the business features of the metropolitan Area Network, UT has developed a new generation of netring series o
1) Otuk (k=1,2,3,4 ...) frame rate
Unlike the Sdh/sonet basic 8K frame cycle, with the increase of the line rate, the structure and length of the g.709 frame are constant, and the frame cycles of different rate classes of OTN are not the same.OTU1 48.971usOTU2 12.191usOTU3 3.035usThe frame rate of OTN is specifically designed for SDH, where OPUK frames can be fitted with
Recovery (CDR)
The goal of the CDR is to find the best sampling time, which requires a rich jump in the data. The CDR has an indicator called maximum 0 or even 1 length tolerance (Max Run length or consecutive identical Digits) capability. If the data has not been skipped for a long time, the CDR will not be trained accurately, and the CDR sampling time will drift and may be 1 or 0 more than the real data. And when the data is re-resumed, it is possible that the wrong sample will occur. For
;wFDISK/DEV/SDG--> N-->p-->1-->1-->wFDISK/DEV/SDH--> N-->p-->1-->1-->w5. This article uses the ASM disk in a udev way, without using Asmlib.
/sbin/scsi_id-g-u-d/dev/sdf /sbin/scsi_id-g-u-d/dev/sdg /sbin/scsi_id-g-u-d/DEV/SDH such as: [roo T@ol6-121-rac1 dev]#/sbin/scsi_id-g-u-d/dev/sdf 1ata_vbox_harddisk_vba36c3c6c-9da6bb20 [Root@ol6-121-rac1 dev]#/sbin/scsi_id-g-u-d/DEV/SDG 1ATA_VBOX_HARDDISK_VBCB790
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