megabits per second

Information from WEBQPS (query per second) (queries per second) TPS (Transaction per second) (transaction volume per second, if InnoDB is displayed, no InnoDB will not be displayed) Calculation method ___ ________________________________________________________qpsquestions = SHOW GLOBAL STATUS like ' Questions '; Uptim

Server licensing mode per server, simultaneous number of connections to Per Device or per userPer-server Authentication: The number of concurrent client user visits that allow services to be available at the same time;Per Customer certification: Refers to your every client has a certification license, the client throug

Python study note _ 8.24 per hour per day 8.24 Function You can also usehelp(abs)ViewabsFunction help information.Comparison Functions cmp(x, y)Two parameters are required. X , Return -1, If x==y, Return 0, If x>y, Return 1 Data Type Conversion Common built-in functions of Python also include data type conversion functions, suchint()The function can convert other data types to intege

Million threads per JVM and million threads per jvm I. environment requirements:1.64bit Linux2.64bit JDK3. Memory is large enough, 512 GB4. cpu: 64 processorsII. Test Tool: [DieLikeADog. java]Java-server-Xmx6G-Xms6G-Xmn600M-Xss228K-XX: PermSize = 50 M-XX: MaxPermSize = 50 M-XX: + DisableExplicitGC DieLikeADogIII. Check Configuration:1. ps-Lf 2. ulimit-a =>>>> Mainly view the value of-n and-u.3. cat/proc/sys

Tags: table div Group by time BSP a person according to code test --Method 1SelectA.* fromtable1 awhereNot EXISTS (Select 1 fromtable1 bwhereB.name=a.name and B.gdtime>a.gdtime)--Method 2SelectA.* fromtable1 a INNER join (Selectname, Max (gdtime)'Maxgdtime' fromtable1 GROUP by name) B on A.name=b.name and A.gdtime=b.maxgdtime After testing 3 million data queries, the Method 2 query is faster, and it is recommended to use the second kind of correlation query method Get up-

Net assets per share refer to the ratio of shareholder equity to total share capital. The formula is: net assets per share = total share capital of the shareholder equity segment. This indicator reflects the current value of assets owned by each share. The higher the net assets per share, the more the current values of the assets owned by the shareholders. The sm

Queries the average number of transactions per second and the average number of transactions per second1. Directly query the view select * from DBA_HIST_SYSMETRIC_SUMMARY where metric_unit = 'transactions Per second'METRIC_NAME metric indicator METRIC_UNIT Monitoring Unit INTSIZE sampling length (S), generally 361_num_interval observation interval (minutes), gene

Package myjar2;public class Myjar2 {public static void Main (string[] args) {int a[][] = new INT[5][6];int min[] = {0, 0,, 0, 0, 0}, max[] = {0, +;for (int i = 0; i for (int j = 0; J A[I][J] = (int) (Math.random () * 100);if (Min[i] > A[i][j]) {Min[i] = A[i][j];}if (Max[j] MAX[J] = A[i][j];}A[I][5] = Min[i];A[4][J] = Max[j];}}for (int i = 0; i for (int j = 0; J if (i!=4| | j!=5) {System.out.print (A[i][j] + "\ t");}}System.out.println ();}}}2014/12/12 the minimum value

I 've noticed two styles I 've used on my last, first TDD, project. the first is from when I was newer, And I wocould write one, absolute minimum test and make it pass, then move on to another test. now, still taking small steps, I often find myself writing a complete test, with say five asserts, and then incrementally adding to the method under test to progress past each assert, until all pass. any Co Mments on this approach? ================ I 've done both, and I feel that the flow is bett

Reprinted from: http://blog.chinaunix.net/uid-9370128-id-393082.html1. mysql 5.0.x statistics per second increase, delete, change, check, replacement numberMySQL show global status can be traced from the previous start, the cumulative quantity, crawl once per second#!/bin/bashWhile TrueDoEcho-ne "' Date ' \ t"Mysql-s/tmp/mysql.sock-e "show global status;" | Grep-e ' (queries|select|insert|delete|update|repl

Data per day in oracle statistical period (recommended), oracle per day The following describes the data of each day in the oracle statistical period. The specific SQL statement is as follows: 1. generate 1000 RANDOM numbers select rownum rn, DBMS_RANDOM.VALUE (0, 1000) random from dual connect by rownum PS: Let's take a look at the date of each day for a certain period of time in Oracle. SELECT TO_DATE('2

Transferred from: http://www.wowotech.net/linux_kenrel/per-cpu.htmlFirst, Source: Why the introduction of PER-CPU variables?1. Performance issues with Lock busPrior to ARMV6 on the arm platform, the SWP and SWPB directives were used to support access to the shared memory: SWP In Rn, the memory address of the SWP instruction is saved, which allows the memory data specified by RN to be loaded i

Tags: day linux c stat less CD command Linux file type Linux directory RAC moreA. File Directory Operation command:1. One Linux command per day (1): ls command2. One Linux command per day (2): cd command3. One Linux command per day (3): pwd command4. One Linux command per day (4): mkdir command5. One Linux command

Tags: Ali section recommended ASM Linux kernel ISA PID hardware and software platformFirst, Source: Why the introduction of PER-CPU variables?1. Performance issues with Lock busPrior to ARMV6 on the arm platform, the SWP and SWPB directives were used to support access to the shared memory: SWP In Rn, the memory address of the SWP instruction is saved, which allows the memory data specified by RN to be loaded into the RT register, while

Starting with a detailed system of learning Linux common commands, adhere to a daily command, so this series is a Linux command per day. The main references for learning are:1. "Brother Bird's Linux private cuisine"2.http://codingstandards.iteye.com/blog/7866533.linux command five-minute series4. Other Internet information, Google,baidu and other search enginesA. File Directory Operation command:1. One Linux command

Starting with a detailed system of learning Linux common commands, adhere to a daily command, so this series is a Linux command per day. The main references for learning are:1. "Brother Bird's Linux private cuisine"2.http://codingstandards.iteye.com/blog/7866533.linux command five-minute series4. Other Internet information, Google,baidu and other search enginesA. File Directory Operation command:1. One Linux command

[Go] a Linux command directory per dayHttp://www.cnblogs.com/peida/archive/2012/12/05/2803591.htmlStarting with a detailed system of learning Linux common commands, adhere to a daily command, so this series is a Linux command per day. The main references for learning are:1. "Brother Bird's Linux private cuisine"2.http://codingstandards.iteye.com/blog/7866533.linux command five-minute series4. Other Internet

Starting with a detailed system of learning Linux common commands, adhere to a daily command, so this series is a Linux command per day. The main references for learning are:1. "Brother Bird's Linux private cuisine"2.http://codingstandards.iteye.com/blog/7866533.linux command five-minute series4. Other Internet information, Google,baidu and other search enginesA. File Directory Operation command:1. One Linux command

Starting with a detailed system of learning Linux common commands, adhere to a daily command, so this series is a Linux command per day. The main references for learning are:1. "Brother Bird's Linux private cuisine"2.http://codingstandards.iteye.com/blog/7866533.linux command five-minute series4. Other Internet information, Google,baidu and other search enginesA. File Directory Operation command:1. One Linux command

Ext.: http://www.cnblogs.com/peida/archive/2012/12/05/2803591.htmlStarting with a detailed system of learning Linux common commands, adhere to a daily command, so this series is a Linux command per day. The main references for learning are:1. "Brother Bird's Linux private cuisine"2.http://codingstandards.iteye.com/blog/7866533.linux command five-minute series4. Other Internet information, Google,baidu and other search enginesA. File Directory Operatio