writes

Storm-源码分析-LocalState (backtype.storm.utils)

*Very inefficient*, should only be used for occasional reads/writes. Every read/write hits disk.
·2013-07-11 17:00

MySQL 核心参数优化

read_buffer_size 参数只影响以下两种情况的写数据的性能：SELECT INTO … OUTFILE ‘fileName‘When writing to the OUTFILE, the writes
smart818·2013-07-03 22:42

回滚段 笔记

7788;事务信息：selectxidusn,xidslot,xidsqn,ubablk,ubafil,ubarecfromv$transaction; --xidusn回滚段编号 selectusn,writes
jsj_007·2013-06-21 11:56

获取php页面执行时间，数据库读写次数，函数调用次数等(THINKphp)

THINKphp里面有调试运行状态的效果：Process:0.2463s(Load:0.0003sInit:0.0010sExec:0.1095sTemplate:0.1355s)|DB:13queries0writes
·2013-06-03 18:16

新版ffmpeg编译时common.mak 138错误解决办法

>writes: >./configure:line4652:git:commandn
tttyd·2013-04-19 15:00

【redis-2.6.12】 ChangeDetail

[BUGFIX]stop-writes-on-bgsave-errornowworksinredis.conf[BUGFIX]Don'tcrashats
xst·2013-04-03 02:00

redis主从+高可用

redis.pidport6379timeout0tcp-keepalive0loglevelnoticelogfilestdoutdatabases16save9001save30010save6010000stop-writes-on-bgsave-erroryesrdbcomp
liang3391·2013-04-02 17:43

CPU的数据总线宽度与原子操作

最后在http://stackoverflow.com/questions/54188/are-c-reads-and-writes-of-an-int
splayx·2013-03-27 21:00

eclipse 禁止自动弹出console

xubo578/article/details/6572355 禁止弹出： Preferences-〉 Run/Debug-〉Console里边 取消勾选 Show when program writes
kylewebgame·2013-01-28 09:00

SQL SERVER查询IO

阅读更多selectb.name,c.name,c.physical_name,a.num_of_reads,a.num_of_writes,a.num_of_bytes_read,a.num_of_bytes_written
fanth·2012-12-30 11:00

SQL SERVER查询IO

select b.name,c.name,c.physical_name,a.num_of_reads,a.num_of_writes, a.num_of_bytes_read,a.num_of_bytes_written
fanth·2012-12-30 11:00

CPU 及 IO 平均开销较大脚本

USEtempdb SELECTTOP10 (total_logical_reads/execution_count)ASavg_logical_reads, (total_logical_writes
·2012-11-30 18:00

Module3---Unit 1: Daily Activities: 1. Kathy's Schedule

Kathy is a writer, who works for a newspaper and writes books as well.
xkh5566·2012-11-15 23:00

Ahui Writes Word(01转化为多重背包)

AhuiWritesWordTimeLimit:2000/1000MS(Java/Others)MemoryLimit:32768/32768K(Java/Others)TotalSubmission(s):1235AcceptedSubmission(s):465ProblemDescriptionWeallknowthatEnglishisveryimportant,soAhuistrivef
bigman_123·2012-11-15 11:00

log4j Category.callAppenders Block

用错引起的线程block住的问题，看经常遇到问题的代码段如下：   public void callAppenders(LoggingEvent event) { int writes
dikar·2012-11-06 17:00

poj 1733 Parity game(带权并查集)

Your friend writes down a sequence consisting of zeroes and ones. You choose
king_tt·2012-09-24 00:00

Oracle性能优化（一） 关注指标及复合索引原理设计

Elapsed Time 、CPU Time等时间指标 2.内存消耗：包括Buffer Gets、Consistant Gets等指标 3.IO消耗：包括Physical Reads、Physical Writes
defungo·2012-09-20 10:00

hdu 3732 Ahui Writes Word 多重背包 小心超时

AhuiWritesWordTimeLimit:2000/1000MS(Java/Others)    MemoryLimit:32768/32768K(Java/Others)TotalSubmission(s):1052    AcceptedSubmission(s):399ProblemDescriptionWeallknowthatEnglishisveryimportant,soAhu
hnust_xiehonghao·2012-08-16 18:00

HDOJ 3732 Ahui Writes Word (多重背包)

http://acm.hdu.edu.cn/showproblem.php?pid=3732这是一道很坑爹的题呀！！！一打眼看看以为是简单的01背包，然后就华丽的超时了……后来才发现被迷惑了！这是一道多重背包的问题。这道题足以给做惯了经典多重背包，已经出定势思维的我们敲响警钟了！这题一个特点：物品个数很大，背包的体积很大，但是物品的价值和花费都很小！题意：有N个单词，总复杂度为C，已知每个单词的价
sdc1992·2012-08-13 10:00

Linux/Unix mpstat command

|ON|ALL}][-V][interval[count]]DESCRIPTION      The mpstat command writes to standard output
torvalds0310·2012-07-31 16:46

嵌入式linux和uboot中关于读写寄存器的函数(__raw_writel, writel等)

u-boot_2.3.5/arch/arm/include/asm/io.h/**Genericvirtualread/write.Notethatwedon'tsupporthalf-word*read/writes.Wedefine
duanlove·2012-07-26 17:00

嵌入式linux和uboot中关于读写寄存器的函数(__raw_writel, writel等)

Notethatwedon'tsupporthalf-word *read/writes. 
duanlove·2012-07-26 17:00

Sql Server CPU 性能排查及优化的相关 Sql

select c.last_execution_time,c.execution_count,c.total_logical_reads,c.total_logical_writes,c.total
捕风的汉子·2012-07-25 10:00

MYSQL的各种性能参数

Delayed_writes用INSERTD
kluleia·2012-06-12 10:00

VC6下编译IJG库（用于读取和生成jpg格式图片文件）

  http://www.ijg.org/ 写道 Independent JPEG Group IJG is an informal group that writes and distributes
coding1688·2012-06-02 18:00

HDU_3732 Ahui Writes Word 背包

http://acm.hdu.edu.cn/showproblem.php?pid=3732题意：给你N个单词，每个单词有一个value和一个complexity，现在要求你在给定的C复杂度内求出最大的value和。N #include constintMAXN=100010; intN,CC; intmap[11][11]; intV[MAXN],C[MAXN],dp[MAXN]; intMAX
ivan_zjj·2012-05-31 22:00

SQL Server IO 子系统浅究 II

SQLServer上，涉及I/O的计数器有：Averagereadbytes/sec,平均每秒的读取字节数Averagewritebytes/sec，平均每秒的写入字节数Reads/sec,每秒多少读writes
weizhiai12·2012-05-31 16:00

HDU-3732 Ahui Writes Word 解题报告

DescriptionWeallknowthatEnglishisveryimportant,soAhuistriveforthisinordertolearnmoreEnglishwords.Toknowthatwordhasitsvalueandcomplexityofwriting(thelengthofeachworddoesnotexceed10byonlylowercaseletter
angle555945·2012-05-28 20:00

Defning SIZE_MAX

/www.velocityreviews.com/forums/t658743-defning-size_max.html #defineMY_SIZE_MAX((size_t)-1)(ozbear)writes
llrraa2010·2012-05-26 16:00

android通过NFC读写数据

/* * Writes an NdefMessage to a NFC tag */ public static boolean writeTag(NdefMessage message, Tag
luckliu521·2012-05-17 15:00

SQL分析Profiler生成的TRC文件

通过Select查询 过滤trc文件，显示a.CPU,a.Reads,a.Writes,a.Duration,a.TextData等文件内容，代码如下：SELECTtop100a.CPU,a.Reads
snowfoxmonitor·2012-05-04 09:00

mongostat

MongoDB only physically writes data to disk every 60 seconds (by default).
cocos·2012-03-23 22:00

HDU 3732 Ahui Writes Word

AhuiWritesWordTimeLimit:2000/1000MS(Java/Others)    MemoryLimit:32768/32768K(Java/Others)TotalSubmission(s):701    AcceptedSubmission(s):283ProblemDescriptionWeallknowthatEnglishisveryimportant,soAhui
cmonkey_cfj·2012-02-27 12:00

fsync() Across Platforms

www.humboldt.co.uk/2009/03/fsync-across-platforms.html   fsync() Across Platforms When an application writes
dikar·2011-12-09 14:00

How to fetch the SQL scipts with worst performance

DB_NAME],creation_time,last_execution_time,total_physical_reads,total_logical_reads ,total_logical_writes
Burgess_Liu·2011-12-08 10:00

磁盘I/O的计算

下表给出了每磁盘I/O的计算公式：RAID类型计算方法RAID0(Reads+Writes)/NumberofDisksRAID1(Reads+2*Writes)/2RAID5[Reads+(4*Writes
miskey07·2011-11-18 14:42

SQL Server性能调教系列(4)--Profiler（下）

接上篇:3.分析跟踪记录在跟踪了一段时间之后，在文件中就会保存有跟踪的数据(包括IO，Duration，CPU，Reads，Writes，RowCounts等计数器)，接下来就是把跟踪的数据加载到表并分析这些数据
无聊pp·2011-10-27 00:16

合众达FLASH测试程序 erase，Writes/Writem，Read/Readm

 #include#include#include#include#include#include#include"DEC6713_FLASH.h"/********************************************************************************/Uint16Data_Buffer[0x1000];Uint16Temp_Buffer[
haiou0·2011-10-22 14:00

sar命令

DESCRIPTION：     The  sar  command  writes  to standard output the
nigelzeng·2011-10-15 14:00

python 实现iotop

/bin/python importsys,os,time,signal,re classDiskIO: def__init__(self,pname=None,pid=None,reads=0,writes
rfyiamcool·2011-10-10 15:33

BEA-000110 Multicast socket receive error: java.io.StreamCorruptedException

####>writes:Iwoulodguessthatsomethingelseispumpingdataonthemulticastaddressthatyouareusing.Tryusingadifferentaddress
whzhengzy·2011-09-16 23:00

ORACLE lgwr,dbwr,chpk进程

何时触发lgwr,dbwr,chpk等进程 Log Writer (LGWR) LGWR performs sequential writes from the Redo Log Buffer
longgangbai·2011-09-10 18:00

ORACLE lgwr,dbwr,chpk进程

何时触发lgwr,dbwr,chpk等进程 Log Writer (LGWR) LGWR performs sequential writes from the Redo Log Buffer
longgangbai·2011-09-10 18:00

ORACLE lgwr,dbwr,chpk进程

何时触发lgwr,dbwr,chpk等进程 Log Writer (LGWR) LGWR performs sequential writes from the Redo Log Buffer
longgangbai·2011-09-10 18:00

ORACLE lgwr,dbwr,chpk进程

何时触发lgwr,dbwr,chpk等进程 Log Writer (LGWR) LGWR performs sequential writes from the Redo Log Buffer
longgangbai·2011-09-10 18:00

Learn to Program(1)

Numbers 1.1 Introduction to puts puts simply writes onto the screen whatever comes after it. 1.2
sillycat·2011-08-10 23:00

HDU ACM Steps 3.3.3 Ahui Writes Word || HDU 3732 Ahui Writes Word

#include #include #include #defineMAXN15000 //典型的多重背包问题，用二进制方法进行物品数量的压缩 intmap[15][15]; //背包问题多数用一维就够了，除非有多个费用 intdp[MAXN]; intmain() { intn,c,i,j,x,y,k,t,sum; chars[100]; while(scanf("%d%d",&n,&c)!=
lmyclever·2011-07-31 22:00

system frequently IO writes

Firstgetthisscriptandnameit:iodump#!/usr/bin/envperl =pod =head1NAME iodump-Computeper-PIDI/OstatsforLinuxwheniotop/pidstat/iopparenotavailable. =head1SYNOPSIS Preparethesystem: dmesg-c /etc/ini
企图穿越·2011-05-04 21:00

difference between data() and c_str() of basic_string

   writes:Inotherwords,data()producesanarrayofcharacters,whereasc_str()producesaC-stylestring.    
FeeLang·2011-04-21 15:00

About the database locking

http://en.wikipedia.org/wiki/Lock_%28database%29   Locking not only provides exclusivity to writes
dracularking·2011-03-09 11:00
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