Apache Log User Agent

Flume-based Log collection system (i) architecture and Design Issues Guide: 1. Flume-ng and scribe contrast, flume-ng advantage in where? 2. What questions should be considered in architecture design? 3.Agent crash how to solve? Does 4.Collector crash affect? What are the 5.flume-ng reliability (reliability) measures? The log collection system in the United States is responsible for the collection of all business logs from the United States Regiment and to the Hadoop platform respectively ...

Intermediary transaction SEO diagnosis Taobao guest Cloud host technology Lobby user analysis is an important part of web analytics, before analyzing users we must first be able to identify each user, distinguish which is "New customer", which is "Repeat customer". This will not only give you a clearer idea of how many users have visited your site, who they are (user ID, mailbox, sex age, etc.), but also to help you better track your users, discover their behavioral characteristics, hobbies, and ...

The Web server encountered a strange problem, in the running of many apache2 processes, there will be a process, slowly fill the full memory, and then the machine is like dead, write an automatic check script, check and kill the problem of the apache2 process, the issue is mitigated, but not resolved, Because it slowly fills up the memory, Linux releases the HDD cache and periodically has performance degradation. Using RLIMITMEM parameters to limit memory, also does not work, bw_mod limit traffic also does not work today modified the script, ...

Intermediary transaction http://www.aliyun.com/zixun/aggregation/6858.html ">seo diagnose Taobao guest cloud host technology Hall a few days ago, a friend to our feedback said to open our website particularly slow, And he wants us to help him to do the site and provide website maintenance services, such feedback is really not a good thing for us, I began the reaction is that he is the first time to open our network so slow, and I am here because often open their own website ...

IBM HTTP Server is a multifunctional Web server developed on top of the http://www.aliyun.com/zixun/aggregation/14417.html ">apache Web server." IBM HTTP Server extends Apache functionality and introduces features that Apache does not. For example, you can use the IBM fast response cache accelerator, and more convenient ...

Access analysis is an important SEO work, but statistics, analysis tools, after all, the function is for the public, many times SEO needs some specific data, is http://www.aliyun.com/zixun/aggregation/10341.html "> Statistical analysis software, procedures can not provide. 　　In this way, direct Web log analysis is the most appropriate, the log will record each visit, as long as their own will extract, combination, you can get the data you want. Just ask ...

"Editor's note" Shopify is a provider of online shop solutions company, the number of shops currently serving more than 100,000 (Tesla is also its users). The main frame of the website is Ruby on rails,1700 kernel and 6TB RAM, which can respond to 8,000 user requests per second. In order to expand and manage the business more easily, Shopify began to use Docker and CoreOS technology, Shopify software engineer Graeme Johnson will write a series of articles to share their experience, this article is the department ...

The intermediary transaction SEO diagnoses Taobao guest Cloud host technology Hall text/Shingdong, Liu, Xie School HTML5 Technology brings many new elements to the web, not only makes the website become more and more beautiful, the interactive experience is getting closer to perfect, even more makes many once impossible function can realize. 　　This article aims at the new characteristic which the HTML5 brings in the website performance monitoring, shares with everybody Ctrip traveling network in this direction the practical experience. Site performance monitoring of the status of the Web site performance is increasingly popular concern, because it directly ...

There is a concept of an abstract file system in Hadoop that has several different subclass implementations, one of which is the HDFS represented by the Distributedfilesystem class. In the 1.x version of Hadoop, HDFS has a namenode single point of failure, and it is designed for streaming data access to large files and is not suitable for random reads and writes to a large number of small files. This article explores the use of other storage systems, such as OpenStack Swift object storage, as ...

The intermediary transaction SEO diagnose Taobao guest Cloud host technology Hall hijacked PR value of several methods-false PR value into true PR value! We know that the PR value is very important to a station. PR value is better and other stations do friendship links. Now I will give you a few let your PR for 0 of the station into Pr1-8 station! 　　Method One: Use 301 Redirect to achieve PR value of hijacking 301 Redirect: Permanent Information Service Manager, in the page or directory to redirect the right button, select "Properties"; Select Redirect to URL in heavy ...