记一次Dynamics CRM Audit 查询失败的问题. 客户环境现象:由于业务逻辑需要使用RetrieveAuditDetailRequest API查询相关Record的详细更改信息.但查询过程中偶尔会出现失败的情况,出错原因提示是 System.TimeoutException: 'The request channel timed out while waiting for a reply after 00:01:59.9929956. Increase the timeout va…
APPLIES TO: Oracle Product Hub - Version 12.1.1 to 12.1.1 [Release 12.1] Oracle Inventory Management - Version 12.1.1 to 12.1.1 [Release 12.1] Oracle Item Master - Version 12.0.6 to 12.0.6 [Release 12] Information in this document applies to any plat…
[root@localhost ~]# vi /etc/security/limits.conf # /etc/security/limits.conf # #Each line describes a limit for a user in the form: # #<domain> <type> <item> <value> # #Where: #<domain> can be: # - a user name # - a group nam…
上次提到Little定律, 我也解释过它跟另外一个公式有一些内在的关系,但是其实我自己对LL在当前复杂架构系统中到底是怎么应用的也没有完整的想法,于是我在Linkedin上把这个问题抛了出来,没有想到的是得到了很多大师级前辈回复,有些甚至非常详细: 我的问题: Does Little'law really applicable to apply performance model now? Yong Fu I'm confusing that the meaning of parameters…
https://www.sqlskills.com/blogs/paul/wait-statistics-or-please-tell-me-where-it-hurts/ By: Paul Randal Posted on: December 9, 2010 3:18 pm   (Check out my Pluralsight online training course: SQL Server: Performance Troubleshooting Using Wait Statisti…
引用自:http://rusanu.com/2013/08/01/understanding-how-sql-server-executes-a-query/ Understanding how SQL Server executes a query August 1st, 2013 If you are a developer writing applications that use SQL Server and you are wondering what exactly happens…
https://www.codeproject.com/Articles/630346/Understanding-how-SQL-Server-executes-a-query https://www.codeproject.com/Articles/732812/How-to-analyse-SQL-Server-performance     This article will help you write better database code and will help you ge…
FROM:http://www.just4e.com/hbase.html Apache HBase™ 参考指南  HBase 官方文档中文版 Copyright © 2012 Apache Software Foundation.保留所有权利. Apache Hadoop, Hadoop, MapReduce, HDFS, Zookeeper, HBase 及 HBase项目 logo 是Apache Software Foundation的商标. Revision History Revis…
源网址http://tech.e2sn.com/oracle-scripts-and-tools/session-snapper 内容: If you want to just download Snapper, you can get it from here: http://blog.tanelpoder.com/files/scripts/snapper.sql(please right click on the file and use Save as... instead of cop…
HBase官方文档 目录 序 1. 入门 1.1. 介绍 1.2. 快速开始 2. Apache HBase (TM)配置 2.1. 基础条件 2.2. HBase 运行模式: 独立和分布式 2.3.配置文件 2.4. 配置示例 2.5.重要配置   3. 升级 3.1. 从 0.94.x 升级到 0.96.x 3.2. 从 0.92.x 升级到 0.94.x 3.3. 从 0.90.x 升级到 0.92.x 3.4. 从0.20x或0.89x升级到0.90.x   4. HBase Shell…