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tuning
关于Oracle的性能调整(一)
Oracle
Tuning
的一些总结 关于Oracle的性能调整,一般包括两个方面,一是指Oracle数据库本身的调整,比如SGA、PGA的优化设置,二是连接Oracle的应用程序以及SQL语句的优化
·
2015-10-21 11:03
oracle
Performance
Tuning
Overview【zz】
TCPHP mailing list yesterday about frameworks and scalability I wrote a general reply on performance
tuning
·
2015-10-21 10:26
performance
整理一些dba的面试题
一:SQL
tuning
类1:列举几种表连接方式hash join/merge join/nest loop(cluster join)/index join2:不借助第三方工具,怎样查看sql的执行计划
·
2015-10-21 10:46
dba
Database Engine
Tuning
Adviser: How to tune your new SQL Server 2005
Database Engine
Tuning
Adviser: How to tune your new SQL Server 2005 This article shows you how to tune
·
2015-10-21 10:02
sql server 2005
ocp-499
QUESTIONNO:499While
tuning
aSQLstatement,theSQL
Tuning
AdvisorfindsanexistingSQLprofileforthestatementthathasstalestatisticsavailable.Whatwouldtheoptimizerdointhissituation
xuejiayue1105
·
2015-10-18 16:00
ocp-495
QUESTIONNO:495Which
tuning
toolrecommendshowtooptimizematerializedviewssothattheseviewscantakeadvantageofthegeneralqueryrewritefeature
xuejiayue1105
·
2015-10-18 16:00
ocp-497
497YouperformthefollowingactivitiesduringthedatabaseupgradefromOracleDatabase10gtoOracleDatabase11g:1.CaptureplansforaSQLworkloadintoaSQL
Tuning
Set
xuejiayue1105
·
2015-10-18 16:00
ocp-480
QUESTIONNO:480IdentifytheactivitiesperformedaspartoftheAutomaticSQL
Tuning
processinthemaintenancewindow
xuejiayue1105
·
2015-10-18 09:00
ocp-475
QUESTIONNO:475TheSQL
Tuning
Advisorhasbeenconfiguredwithdefaultconfigurationsinyourdatabaseinstance.WhichrecommendationisautomaticallyimplementedwithouttheDBA
xuejiayue1105
·
2015-10-18 09:00
ocp-471
(Chooseallthatapply.)A.SegmentAdvisorB.SQLAccessAdvisorC.OptimizerstatisticsgatheringD.AutomaticSQL
Tuning
Adviso
xuejiayue1105
·
2015-10-18 09:00
ocp-456
(Choosetwo.)A.ItcontainsonlySQLprofilesgeneratedbySQL
Tuning
Advisor.B.Itstoresplansgeneratedbytheoptimizerusingastoredoutline.C.Iti
xuejiayue1105
·
2015-10-18 08:00
ocp-454
YouruntheSQL
Tuning
Advisor(STA)totuneaSQLstatementthatispartofafixedSQLplanbaseline.TheSTAgeneratesaSQLprofilefortheSQLstatement
xuejiayue1105
·
2015-10-18 08:00
Oracle SQL 调优之 sqlhc
具体使用参照Document1366133.1SQL
Tuning
Health-CheckScript(SQLHC)简单步骤:从Oracle免费下载从AWR获得sqlid然后运行
tang88seng
·
2015-10-16 22:00
ocp-434
YoursystemhasbeenupgradedfromOracleDatabase10gtoOracleDatabase11g.YouimportedSQL
Tuning
Sets(STS)fromthepreviousversion.AfterchangingtheOPTIMIZER_FEATURE_ENABLEparameterto10.2.0.4andrunni
xuejiayue1105
·
2015-10-15 23:00
数据库
一次JVM调优的笔记
1.JVM
Tuning
基础知识1.1Java堆结构Java堆可以处于物理上不连续的内存空间上,只要逻辑上是连续的即可。Java堆就是各种对象分配和保存的内存空间,线程间共享。
XiaoH在博客园
·
2015-10-11 13:00
为何WebLogic 12c 发生stuck 时无法显示具体的请求路径
下面给出一个WebLogic12C的stuck日志样例:[STUCK]ExecuteThread:'1'forqueue:'weblogic.kernel.Default(self-
tuning
)'ha
ultrang
·
2015-09-29 09:00
thread
weblogic
request
路径
stuck
为何WebLogic 12c 发生stuck 时无法显示具体的请求路径
下面给出一个WebLogic12C的stuck日志样例:[STUCK]ExecuteThread:'1'forqueue:'weblogic.kernel.Default(self-
tuning
ultrang
·
2015-09-29 09:00
weblogic
stuck
request
thread
路径
为何WebLogic 12c 发生stuck 时无法显示具体的请求路径
下面给出一个WebLogic12C的stuck日志样例:[STUCK]ExecuteThread:'1'forqueue:'weblogic.kernel.Default(self-
tuning
ultrang
·
2015-09-29 09:00
weblogic
stuck
request
thread
路径
ocp-v13-046
QUESTION46WhathappenswhenyouruntheSQL
Tuning
Advisorwithlimitedscope?
xuejiayue1105
·
2015-09-28 22:00
oracle11g
OCP
oracke11g
OCP-V13-042
QUESTION42YouplantouseSQLPerformanceAnalyzertoanalyzetheSQLworkload.YoucreatedaSQL
Tuning
Setasapartoftheworkloadcapturing.Whatinformationiscapturedaspartofthisprocess
xuejiayue1105
·
2015-09-28 22:00
sql
性能
oracle11g
OCP
oracle11
OCP-V13-039
QUESTION39ViewtheExhibittoexaminetheAutomaticSQL
Tuning
resultdetails.WhichactionwouldyousuggestfortheselectedSQLstatementintheExhibit
xuejiayue1105
·
2015-09-28 21:00
oracle
数据库
OCP
oracle11
ocp-ORACLE
ocp-v13-038
QUESTION38TheSQL
Tuning
Advisorconfigurationhasdefaultsettingsinyourdatabaseinstance.WhichrecommendationisautomaticallyimplementedaftertheSQL
Tuning
Advisorisrunaspartoftheautomaticmaintenancetask
xuejiayue1105
·
2015-09-28 21:00
oracle
数据库
OCP
oracle11
ocp-v13-035
QUESTION35YouwanttheAutomaticSQL
Tuning
processtostopacceptingandimplementingtherecommendedSQLprofilesautomatically.Whichactionwouldyouperformtoachievethis
xuejiayue1105
·
2015-09-28 21:00
sql
oracle11g
OCP
java虚拟机参数
3257367.htmlhttp://skly-java.iteye.com/blog/1705863http://www.oracle.com/technetwork/java/javase/gc-
tuning
hzraymond
·
2015-09-27 10:00
java
jvm
虚拟机
SQL自动调优
本次我主要介绍下面这些自动SQL调优工具:自动SQL调优(automaticsql
tuning
)SQL调优工具集(SQL
tuning
sets,STS)SQL调优顾问(SQL
Tuning
Advisor)自动数据库诊断监视器
东方之子7366
·
2015-09-22 16:30
1111
SQL自动调优
本次我主要介绍下面这些自动SQL调优工具:自动SQL调优(automaticsql
tuning
)SQL调优工具集(SQL
tuning
sets,STS)SQL调优顾问(SQL
Tuning
Advisor)自动数据库诊断监视器
东方之子7366
·
2015-09-22 16:30
1111
SQL自动调优
本次我主要介绍下面这些自动SQL调优工具:自动SQL调优(automaticsql
tuning
)SQL调优工具集(SQL
tuning
sets,STS)SQL调优顾问(SQL
Tuning
Advisor)自动数据库诊断监视器
东方之子7366
·
2015-09-22 16:30
1111
oracle
mysql管理
3.3 数据库引擎优化顾问
3.3 数据库引擎优化顾问3.3.1数据库引擎优化顾问数据库引擎优化顾问(Database Engine
Tuning
Advisor,缩写为DTA)是SQLServer2008引入的新特性。
MSSQLMCT
·
2015-09-19 09:01
索引
Windows 7与 server 2003传输数据慢(netsh int tcp set global auto
tuning
level=disable)
可以解决一些win7系统远程桌面server2003卡的问题原因在于从vista开始,微软在TCP/IP协议栈里新加了一个叫做“WindowAuto-
Tuning
”的功能。
haibara3839
·
2015-09-16 09:08
windows
interface
Win7系统
优化网络
IP协议
Windows 7与 server 2003传输数据慢(netsh int tcp set global auto
tuning
level=disable)
可以解决一些win7系统远程桌面server2003卡的问题原因在于从vista开始,微软在TCP/IP协议栈里新加了一个叫做“WindowAuto-
Tuning
”的功能。
haibara3839
·
2015-09-16 09:08
windows
interface
Win7系统
优化网络
IP协议
让你的服务器NB起来吧(提高网络吞吐量)
Notethatseveralofthe
tuning
settingsdescribedherewil
hexo
·
2015-09-12 18:00
hadoop 参数配置
ulimit-n用户最大进程nproc(hbase需要hbsebook)关闭swap分区设置合理的预读取缓冲区Linux的内核的IO调度器JVM参数JVM方面的优化项HadoopPerformance
Tuning
GuideHadoop
Zero零_度
·
2015-09-11 09:00
Android图片缓存(一)——universal-image-loader
Application类中配置 public static void initImageLoader(Context context) { // This configuration
tuning
亭子happy
·
2015-09-08 18:00
spark调优1
https://spark.apache.org/docs/1.2.1/
tuning
.htmlDataSerializationspark现在提供Javaserialization和Kryoserialization
幻想vs理想
·
2015-09-07 17:00
Mysql 优化
p=142http://isky000.com/database/mysql-performance-
tuning
-sql1.mysql系统结构分为两层Sql层:权限判断,sql解析,查询缓存,执行计划任务等存储引擎层
ZhangBlogs
·
2015-09-01 23:40
mysql
Oracle AWR报告指标全解析(一)
archives/awr-hawk-eyes-training.html开Oracle调优鹰眼,深入理解AWR性能报告第二讲: http://www.askmaclean.com/archives/awr-
tuning
-hawk-eyes.html
yfshare
·
2015-08-28 10:10
oracle
AWR
Oracle Query Performance
Tuning
: 12–Step Program
Solarwinds总结了一套Oracle查询语句性能调优的12步法,步骤清晰,是很好的性能优化指引。下载地址1:http://cdn.swcdn.net/creative/infographics/1407_SWI_Oracle_12_Steps_Infographics_8_5x11_web.pdf下载地址2:http://www.solarwinds.com/resources/infogr
lijingkuan
·
2015-08-19 14:00
【分享】妹调教日记完整汉化硬盘版
妹调教日记中文版游戏介绍中文名称: 妹调教日记英文名称: Sister
tuning
diary游戏类型: AVG冒险游戏版本: 非完整汉化版发行时间: 2011年8月14日制作发行: NANACANNANACAN
wangzi867258173
·
2015-08-18 21:00
JVM调优:GC 参数
《MemoryManagementintheJavaHotSpot™VirtualMachine 》《JavaSE6HotSpot[tm]VirtualMachineGarbageCollection
Tuning
m635674608
·
2015-08-18 09:00
How to Tune Java Garbage Collection
IsGC
Tuning
Required?
lovePython
·
2015-08-12 13:26
PHP性能调优思路
performance
tuning
是性能调优。把debug打开。看一下每个step花费多少毫秒。然后花费很多的到程序里面加一个测速代码。然后到log里去看性能。很差就改进。
水人
·
2015-08-11 10:00
经典书籍
pdfThe_Art_of_Debugging_with_GDB_DDD_and_EclipseTh_1200_DebuggingArtsoftheNinjaMastersDebuggingArtsoftheNinjaMastersLinux_Debugging_and_Performance_
Tuning
_Tips_and_Technique
chun1234567
·
2015-07-24 14:15
Provisioning Services and CIFS Shares
PVS可以通过CIFSShare方式存储vDisk,我们可以阅读一篇CitrixBlogs: ProvisioningServicesandCIFSStores�C
Tuning
ForPerformance
jsxm918
·
2015-07-23 23:07
CIFS
PVS
Provisioning Services and CIFS Shares
PVS可以通过CIFSShare方式存储vDisk,我们可以阅读一篇CitrixBlogs: ProvisioningServicesandCIFSStores�C
Tuning
ForPerformance
jsxm918
·
2015-07-23 23:07
CIFS
PVS
Provisioning Services and CIFS Shares
PVS可以通过CIFSShare方式存储vDisk,我们可以阅读一篇CitrixBlogs:ProvisioningServicesandCIFSStores–
Tuning
ForPerformance.
Elvis_Xiao
·
2015-07-23 23:07
PVS
CIFS
XenDesktop
Oracle ORA-01555 快照过旧 说明
从9i开始的undo自动管理,至现在的10g、11g中的undoauto
tuning
,使得ORA-01555的错误越来越少。但是这个错误,仍然不可避免。Ora
xuzhenxiang
·
2015-07-20 23:00
oracle
数据库
优化
事务
16 SQL
Tuning
Overview
16.1 Introduction to SQL
Tuning
Identifying high load or top SQL statements that are responsible
·
2015-07-20 09:00
tuning
优化Windows 远程桌面连接的方法措施
1、netshinterfacetcpsetglobalauto
tuning
level=disabled 如果在Vista或windows7上通过远程桌面控制服务器速度比较慢,可以试试这个命令:netshinterfacetcpsetglobalauto
tuning
level
songshiMVP1
·
2015-07-08 09:00
windows7
远程桌面连接
Tuning
TIME_WAIT
OptimizingTCP/IPNetworkingforAPIClientsAllEssbaseC-APIbasedclientscommunicatewiththeEssbaseserverbymeansofanetworklayer.ArequestfromaclientC-APIbasedapplicationtoEssbaseinvolvesopeningaTCP/IPsocketatt
duanbeibei
·
2015-07-07 13:00
linux性能相关的tools map
toolsmap,包括4个图:1)linux_observability_tools2)linux_observability_sar 3)linux_benchmarking_tools4)linux_
tuning
_tools
aa443399
·
2015-07-03 11:49
performance
tuning
Benchmark
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