System Architect Professional content
The main contents of daily work
Lead and coordinate the technical activities in the whole project (analysis, design and implementation);
Promote the main technical decision, and finally express it as software architecture;
Identify and document the architecture of the system
divided into four stages:1.1. The first stage, code analysis and problem analysis positioning phase;By modifying the interface audit view, gradually locate the problem point, and remove the system hidden trouble and bugs. For example, there is a bug in the return operation through auditing.This phase of the audit is still to help the new online
Something written N years ago. Pull it back online now. At that time, I gave up on the second plan. Fast. By studying. NET and studying Regular Expressions in depth, we now have a deep understanding of it. And other. Net versions. Write two.Preface: Keep writing this thing intermittently. However, there are few articles in this regard on the Internet, so here we will talk about the experience and ideas in the personal production process for your reference only. please correct me if you have any
Analysis2.4 Understanding Spark's differences and connections with other projectsSpark and MapReduce, TezSpark's derivative project Blinkdb,rspark2.5 Follow Spark's author's blog and documentation for authoritative websites3 Advanced Articles3.1 In-depth understanding of Spark's architecture and processing patterns3.2 Spark Source analysis and ReadingSpark Core Core Module,Master the processing logic of the following core functions:SparkcontextExecut
backup)8, statistics. (Traffic analysis, interviewed access, access logs)9, the user. (User management, role management, member group management, organization management, Global user management, global Organization management)10, System. (Site Settings, system settings, site management, Model Management, document properties, workflow groups, workflows, publishin
information of the Linux system during the boot process. 4. >/var/log/maillog: Record the e-mail activity that enters or issues the system. 5. >/var/log/lastlog: Recent successful logon events and last unsuccessful logon events. 6. >/var/log/rpmpkgs: Install each RPM package list information in the recording system. 7. >/var/log/secure: Record The event informat
fat table is 0 xfff, indicating that the cluster is the last one.
File flower. the START cluster number of txt is 3, and the value in the corresponding fat table is 0x004, indicating that the file is not over yet, And the next cluster number is 0x004, then, let's look at the fat value corresponding to the 4th clusters in the fat table as 0 xfff, which indicates that this is the last cluster, then the file flower. TXT occupies 3rd and 4 clusters.
If you want to split the file
Scope of application:
Windows 8 Consumer Preview version
Knowledge Point Analysis:
The Windows 8 system enables the mouse to point to a folder to display the message and content.
As illustrated:
Operation Steps:
1, first turn on the computer click the "View" option, and then click "Options" on the submenu "Change folder and search options." As show
for NTFS because everything is a file and it is difficult to look at the file system Metadata section of the file system classification before reviewing the properties of the metadata classification. In other words, reading this chapter before you begin reading the 13th chapter will make you less confused. File System classification
processing situations. One of the examples is as follows:
The file to be read already exists.
File going through page Cache
A common file is to be read.
The file system on the disk is an ext2 file system. For more information about the ext2 file system, see references.
Preparation:
Note: All the code in the list comes from the original linux2.6.11 kernel c
Read the "Large Web site Technology architecture: Core Principles and Case analysis," chapters V, combined with "Hebei Province, the major technology demand collection system", listing examples of the use of the analysis of usability and modifiable tactics, the above content is written into a 1500 words about the blog
[PaPaPa] system architecture construction analysis, papapa System Architecture
Statement
[PaPaPa] This project is for the purpose of technology sharing and research. It is not a commercial project. Therefore, it provides more ideas. Do not use it directly in the project.
In the previous article, it was helpless to hide the address of an open-sourc
cost price, for cost price acquisition, there may be some logic(d), a data-extraction approach that could introduce third-party frameworks that streamline development workloads, such as Datax(2) Data collection(a), data labelling: depending on the needs of the business, some data needs to be flagged, analyzed through logs, or recorded in a database, such as placing a order: source, ref, POS(b), website traffic: Insert code or analysis log, http://blo
Linux0.11 kernel series-2. System Call mechanism analysis, linux0.11 system call
[All Rights Reserved. For more information, see the source. Source: http://www.cnblogs.com/joey-hua/p/5570691.html]
The Linux kernel has read some source code files from startup to initialization. This time, we can see system_call.s in the kernel folder. This file is mainly used for
51cmm. com Author: Lu linsheng, Xiamen julong Software Engineering Co., Ltd [
2003/12/01
]
Abstract:This article is a summary of some experiences in the survey and study of management information system requirements, some of which are my own experiences and some books or articles from experts. I hope to share them with you, it also plays a leading role. If you have any problems, please correct them.Keywords: Demand, ResearchBo
dependencies between each part. ② The detailed design is to refine the content of the package, clearly describe all classes, and use the dynamic model of UML to describe the behavior of instances of these classes in a specific environment.Application of UML object-oriented analysis design in open student registration management system
UML is a modeling language
a similar or the same page to the Word segmentation module, to achieve Web page weight.
The text segmentation module divides the body of a Web page into a set of words.
Finally, the results of the analysis are sent to the index module for indexed storage.
Understand the search engine Analysis system workflow, then, I think, we should target the search engine
logs.
Iii. Overall architecture
Figure-Run log analysis system overall architecture
, the system based on the above design principles, mainly consists of five parts: logging, log capture, log access, log analysis and storage, log management services. Each part of the responsibility of the clear, mutual support, mutu
university student Cadre management system, the application scope in the student and the university's manager, so conveniently grasps the student cadre's concrete situation, makes the management student cadre information more convenient, and for now domestic present situation, realizes an information management system is very necessary. (2) . for the college teachers of cultural quality, the
system is to establish a single view of the full line of customer information, effective pooling of customers, institutions, products, accounts, channels and other analytical elements of the basic information, to become a service at all levels of management decision makers and business analysts of the Public Information query analysis platform, so that the entire line of customer information can be shared,
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