aed tuning

SQLServerProfiler-performance tuning has enough reason to become a hot topic. Today's fierce competition in the business field, if users think that an application is too slow, they will immediately turn to another vendor. To be full SQLServerProfiler-performance tuning has enough reason to become a hot topic. Today's fierce competition in the business field, if users think that an application is too slow, t

Transferred from: http://blog.csdn.net/u010402786/article/details/70141261Preface What is the fine tuning of the model? Train with someone else's trained network model, if you have to use the same network as someone else, because the parameters are based on the network. Of course the last layer can be modified, because our data may not have 1000 classes, and only a few. Change the name of the output category and layer on the

Trust a lot of friends, whether it is to do development, architecture, or DBA, are often heard that the word "tune". Speaking of "tune", may let a lot of technical staff heart surging, may also make a lot of people feel distressed. Of course, there are a lot of people are dismissive of this, because not everyone has access to the project is very large, and not everyone does the project is very high performance requirements. In the mainstream enterprise-level development and Internet application

DB2 magazine is a quarterly journal dedicated to database administrators, analysts, programmers, designers, consultants, and MIS/DP managers covering all DB2 platforms (including IBM AIX, Hewlett-Packard HP-UX, Sun Solaris, SCO UnixWare, Linux, Microsoft Windows NT, Microsoft Windows 95, Microsoft Windows 98, IBM OS/2, IBM OS/400, IBM MVS, IBM os/390, Various topics for IBM VM and IBM VSE. To get the best performance from DB2 Information Integrator, the DBA needs to know something. Most DBAs k

8.5.1 Index and system performance Indexing speeds up data retrieval, but it slows the insertion, deletion, and updating of data. In particular, the cluster index, the data is stored in a logical order in a certain physical location, when changing data, according to the new data sequence, the need to move a lot of data physical location, which will increase the burden of the system. For non-clustered indexes, the index pages need to be updated when the data is updated, which also takes up the s

Tags: style blog http io ar color OS using SPOriginal: SQL Server Tuning Series BasicsObjectiveAbout SQL Server Tuning series is a huge content system, not a word two words can be analyzed clearly, this article first in the SQL tuning in the most commonly used query plan to parse, to do a good job of the basic grasp, tamping basic skills! Then we talk about the o

Oracle Performance Tuning-Beyond OCP proficient Oracle Video tutorial Training 38Course IntroductionWind Brother Oracle Video tutorial , operating system optimization tuning, storage System optimization tuning experience, database instance level tuning, SQL Statement Index optimization and adjustment, SQL statement opt

Label:Original: SQL Server Tuning Series BasicsObjectiveAbout SQL Server Tuning series is a huge content system, not a word two words can be analyzed clearly, this article first in the SQL tuning in the most commonly used query plan to parse, to do a good job of the basic grasp, tamping basic skills! Then we talk about the overall statement tuning.Learn how to re

Label:Objective There was no blog for a while, all day busy, to work, recording courses, happened recently a relatively idle time, to get the MySQL database. About MySQL database, here do not do too much introduction, open source, free and other features favored by various internet industry, especially after some large e-commerce applications, it is highly respected. There was a time in front of me writing a tuning series of SQL Server databases that

dbms_workload_repository. Create_snapshot;We can also use the Dbms_workload_repository package to complete the baseline, modification of the default settings and so on.ADDM (Automatic Database Diagnostic Monitor AWR)is a consultant system within Oracle that can automate some of the optimization recommendations for the most databases, give recommendations for SQL optimization, index creation, and statistics collection.ADDM report Generation:Sqlplus>@?/rdbms/addmrpt.sqlThe most important thing ab

Tags: non-homogeneous project distribution tuning hold writes merge partitions multiple timesReprinted from XiaoruiSome users (especially the external output) when using Maxcompute (original ODPs), due to the use of the product level and level of understanding of the level of implementation, resulting in the implementation of the task is too long, the occupation of more cluster resources, serious will lead to failure, not only need to invest support s

The JDK itself provides many convenient JVM performance tuning monitoring tools, in addition to the integrated VISUALVM and Jconsole, there are JPS, Jstack, Jmap, Jhat, Jstat and other small tools, this blog hope to play a useful, Let's start to understand the common tools for tuning JVM performance.In real-world enterprise Java development, sometimes we encounter these problems: OutOfMemoryError,

"Product-level performance tuning and fault diagnosis analysis"Cover big pictureAbout the authorMr. Zheng, 2006~2009 three session of "Microsoft's most valuable expert", won the "Devwow Microsoft blog Tatsu" winner, won the Microsoft "most influential developer" award, through the Microsoft "MCSA/MCSE" certification, the company performance optimization experts, CSDN blog experts, with " Discovering: Vertically cut into ASP. NET 3.5 Control and compon

"Product-level performance tuning and fault diagnosis analysis"Cover big pictureAbout the authorMr. Zheng, 2006~2009 three session of "Microsoft's most valuable expert", won the "Devwow Microsoft blog Tatsu" winner, won the Microsoft "most influential developer" award, through the Microsoft "MCSA/MCSE" certification, the company performance optimization experts, CSDN blog experts, with " Discovering: Vertically cut into ASP. NET 3.5 Control and compon

This is an online database http://www.dbonline.cn. Oracle expert tuning secret Preface　　 In the past decade, Oracle has become one of the world's most professional databases. For IT experts, it is to ensure that their company's productivity is improved by leveraging the powerful features of oracle. One of the most effective methods is to use ORACLE optimization. It has a lot of parameters and technologies to improve the performance of your Oracle

According to the tradition, parameters and settings of different Linux distributions and kernels have been changed, so that the system can achieve better performance. The following section describes how to use the following techniques to optimize performance in Red Hat Enterprise Linux AS and suse linux Enterprise Server systems: QUOTE: 1. Disabling daemons (disable daemons) 2. Shutting down the GUI (Disable GUI) 3. Changing kernel parameters (Change kernel parameters) 4. Kernel parameters (Kern

must be written to disk because the exchange may cause some failures. Therefore, we can exchange the data in the Exchange memory, must be no modified data, modified, to free up, you can only write to the hard disk.With the basic knowledge of memory concepts, here are some common tuning options for memory:I. Tuning parameters related to HugepageCat/proc/zoneinfo can view the segmentation of memory segments

PrefaceThis article continues to explain how to tune the concepts that are relevant to performance optimization in the previous chapter. Code optimization is the most common of us, but there are also software architectures, JVM virtual machine tiers, databases, and operating system levels that can be tuned in various ways to improve performance. The ChaseGeneral steps for optimization:If there is a problem with our system, then the most important thing is to find and solve the performance bottle

Comprehensive in-depth analysis of spark2--knowledge points, source code, Tuning, JVM, graph calculation, projectCourse View Address: http://www.xuetuwuyou.com/course/220The course out of self-study, worry-free network: http://www.xuetuwuyou.comLecturer: Watermelon TeacherA total of 14 chapters, 316 sections, the course from spark-related technical aspects of all-round analysis, and finally the actual project: User interactive behavior Analysis System

This paper is translated from Importnew-Journaldev. Welcome to join the translation team. Please refer to the requirements at the end of this article for reprint. To understand the Java garbage collection mechanism, it is important to understand the JVM memory pattern first. Today we will understand the various parts of the JVM's memory, how to monitor it, and the garbage collection tuning. Java (JVM) memory model As you can see from the above pict