Scenario: Stress testing the Web app and MySQL database using JMeterJMeter is a very powerful test tool that can be used to test the Web, database, since 07 has been used for it has been a unique, the following record in a project on its simple use.Project Sub-database testing and Web application testingDatabase testing is relatively simple, the JDBC driver of th
Package Test0;import Java.util.list;import Java.util.map;import java.util.map.entry;import java.util.Set;import Java.util.arraylist;import Java.util.hashmap;import Java.util.hashset;import Java.util.iterator;import java.util.linkedlist;/** * Test Collection Class Traversal Delete method * is currently the basic traversal method, does not contain java8 inside the traversal way */public class Test2 {public static void main (String [] args) {ForEach ();
Simple test: performance impact when PHP inserts a record into mysql and when each result is not output. here we use 100 records and records to insert an experiment to see whether there is an output or no output impact when inserting.
Table structure
Field
Type
Null
Default
Note
Id
Int (11)
No
Name
Char (50)
No
The authoritative Performance Testing Organization TPC was confirmed on December 3, United States time, the SPARCT3-4Supercluster submitted by Oracle one day before to TPC (number of transactions processed per minute) 30249
Authoritative Performance Testing Organization TPC was confirmed on December 3, us time, Oracle one day before the submission of the iSCSI T3-4 Supercluster with TPC (transactions per minute) 30 249
Authoritative Performance Testing Organization (TPC) was confirmed on De
10.0.0.3:8774 check Inter rise 2 Fall 5Listen Nova_metadata_api_clusterBind Balance SourceOption TcpkaOption TcplogServer Controller1 10.0.0.1:8775 check Inter rise 2 Fall 5Server Controller2 10.0.0.2:8775 check Inter rise 2 Fall 5Server Controller3 10.0.0.3:8775 check Inter rise 2 Fall 5Listen Cinder_api_clusterBind Balance SourceOption TcpkaOption HttpchkOption TcplogServer Controller1 10.0.0.1:8776 check Inter rise 2 Fall 5Server Controller2 10.0.0.2:8776 check Inter rise 2 Fall 5Server Cont
large number of queries and a loop. Therefore, the performance requirement is high, and the system does not respond when the concurrency is large.
Optimization for the first time: select the exam for the examinee before the exam. When the examinee logs on, he only needs to query the answer record table. In this way, the question extraction process is prepared in advance.
Second optimization: Considering that a large number of queries are required dur
directoryUbuntu upload Download:Http://www.linuxidc.com/Linux/2017-06/145191.htm1. The first method is most commonly used: If you download the Xshell and xftp,ctrl+alt+f, you can choose to transfer the files! (Virtual machines/Cloud servers are common)--as long as you can ping each other.2The second method: Install the Lrzsz in Ubuntu environment, the specific command is---> sudo apt-get install Lrzsz (if the root privilege does not add sudo)After installation, the specific Operation command is
Record an unsuccessful yy Intranet test on a site
O M personnel, I am really sorry, I have killed the machine and it has not been restored for a long time, so I cannot go deep into QAQ.
Http://mcbbs.kuaikuai.cn/uc_serverWeak ucenter PasswordAdministratorShell
It was supposed to be done through Intranet penetration, but the agent script will put the machine down.I wrote a php online scan.
Weak Passw
[Record] Luogu test field _ process and recursive function _ p1028, record_p1028
First way:
First try:
1 # include
Result:
Timeout.
Second way:
First try:
1 # include
Result:
Correct.
Reflection:Second wayAn array is used to simulate each sub-number that meets the conditions, and the call is directly output, with little time complexity.
) Req.onreadystatechange = callback; Specifies the callback function req.send (NULL); Send request} function callback ()//callback function, response processing on the server, monitor response status {if (Req.readysta TE==4)//Request Status of 4 indicates success {if (req.status==200)//http status 200 means OK {Di Spaly (); All states succeed, execute this function, display data} else//http return status failed {alert ("Server return status" + Req.statustext); }} else//request sta
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