Recent Updates

Oracle Documentations   http://www.oracle.com/technology/documentation/middleware.html   http://www.oracle.com/technology/documentation/index.html   http://download.oracle.com/docs/cd/E15523_01/index.htm   Supported Configuration   http://download.oracle.com/docs/cd/E13196_01

Closing socket as no data read from it during the configured idle timeout of 5 secs As the number of connections increases the server was moving to a stand by state and as it reduces the server comes back. The errors you observed on the log file mainly includes <BEA-000449> <Closing socket a

IBM JDK Download http://www.ibm.com/developerworks/java/jdk/index.html   Heap 관련 옵션 Set the Java environment variables for generating heap dumps. The following environment variables will allow the JVM to generate a list of all the objects in the Java heap. This feature is specific to the IB

GC Viewer  http://www.tagtraum.com/gcviewer.html   JMX Monitoring 설정 -Dcom.sun.management.jmxremote -Dcom.sun.management.jmxremote.port=8888 -Dcom.sun.management.jmxremote.ssl=false -Dcom.sun.management.jmxremote.authenticate=false   JVM 튜닝 샘플 -server -Xrs -Xmx2048m -Xms2048m -Xmn2024m

http://www.oracle.com/technology/software/products/jrockit/FAQ.html   http://download.oracle.com/docs/cd/E13150_01/jrockit_jvm/jrockit/webdocs/index.html   jrcmd > jrcmd -p > jrcmd <PID> version > jrcmd <PID> timestamp > jrcmd <PID> jrarecording [filename=<f

Check the Status of the RAC There are several ways to check the status of the RAC. The srvctl utility shows the current configuration and status of the RAC database. $ srvctl config database -d RAC rac1 RAC1 /u01/app/oracle/product/11.1.0/db_1 rac2 RAC2 /u01/app/oracle/product/11.1.0/db_1 $ $ srvc

http://public-yum.oracle.com http://www.oracle.com/technology/products/vm/index.html http://www.faqs.org/docs/securing/index.htm NTP 설정 http://sipx-wiki.calivia.com/index.php/HowTo_Setup_an_NTP_Server_for_Time_Synchronization  

Measurable Tuning Goals Response Time Database availability Database hot percentages Memory utilization :  SGA 영역이 전체 물리 메모리 사이즈의 40%를 넘지 않도록 구성.   Tuining Goals Access the least number of blocks : SQL statements access the smallest possibe number of Oracle blocks. Cache blocks in m

  http://docs.sun.com/app/docs/prod/websrv?l=ko#hic    request -> Acceptor Threads -> Connection Queue -> Request Processing Thread   SunOne WebServer 실행 계정 변경 방법  OS 계정을 weblogic 에서 root 로 변경 하는 예. 1. SunOne 종료 <HOSTNAME>:/app/SUNWwbsvr/https-<HOS

시스템 설정 /etc/system 의 아래 항목 설정 후 재기동 set rlim_fd_max=65536     : Files Descriptor 제약 set sq_max_size=512       : TCP Buffering 튜닝 set segmap_percent=25    : page-in 비율이 심한 경우     TCP/IP listen 소켓 증가 /usr/sbin/ndd -set

 Xmanager 연결위한 서버 설정방법 http://www.netsarang.co.kr/products/xmg_faq.html         Solaris SPARC and Solaris x86-64 ndd -set /dev/tcp tcp_keepalive_interval 300000 ndd -set /dev/tcp tcp_time_wait_interval 60000 ndd -set /dev/tcp tcp_conn_req_max_q 8192 ndd -set /dev/tcp tcp_conn

http://download.oracle.com/docs/cd/E12840_01/wls/docs103/plugins/plugin_params.html http://download.oracle.com/docs/cd/E12840_01/wls/docs103/plugins/apache.html   FileCaching     FileCaching ON When set to ON, and the size of the POST data in a request is greater than 2048 byte

Apache Tunning 전체 커널에서 process당 thread를 올리려면 kernel의max_thread_proc 를 조정   apache에서 max client를 증가하는 것은 여러가지를 고려하셔서 조정   아래 내용은 max client를 2000까지로 강제로 올려본 사례   max client를 증가시키신다면 StartServers, MinSpareThreads, MaxSpareThreads의 값도 조정을 해야함     1.     

Oracle by Example http://www.oracle.com/technology/obe/fusion_middleware/coherence/obe34coherence_wls/coherenceweb_wls_install/coherenceweb_wls_install.htm   http://coherence.oracle.com/display/COH35UG/Coherence+3.5+Home   Coherence*Web 3.6 on WebLogic11gR2 (10.3.3) 이상 설치가이드 기본적으

Grails 설치 http://grails.org/Installation   Prerequisites : In order to start using Grails you need to have the following: An installation of Java SDK 1.4 or higher and have set your JAVA_HOME variable to the SDK install location. Steps : Download the latest Grails release Extract the archive

Tune the Chunk Parameters A chunk is a unit of memory that the WebLogic Server network layer, both on the client and server side, uses to read data from and write data to sockets. To reduce memory allocation costs, a server instance maintains a pool of these chunks. For applications that handle large

   Unexpected network latency when the application is somewhat slow [ Problem Description ] Unexpected network latency when the application is somewhat slow. Network traces show a normal HTTP 200 OK message for the first part of the response, then AIX waits ~150ms for a delayed ACK fro

      Connection Leak (PROFILE_TYPE_CONN_LEAK_STR) Enable connection leak profiling to collect information about threads that have reserved a connection from the data source and the connection leaked (was not properly returned to the pool of connections). This profile information can h

 EM11g GridControl 설치 절차  DB 서치 WebLogic 10.3.2 설치 WebLogic 패치 EM Grid Control 설치   OMS 설치 후 정보 다음 URL을 사용하여 액세스합니다.  1. Enterprise Manager Grid Control URL: https://egw.saltware.co.kr:7799/em  2. 관리 서버 URL: https://egw.saltware.co.kr:7101/console 추가 OMS 설치 중 다음 세부 정보를 제공해야

hardnolimit / softnolimit 변경   /etc/security/limits.conf 의 아래에 아래 부분 추가   webadm   soft   nofile    131072   webadm   hard   nofile    131072   webadm   soft   nproc  &nbs

WLS Supported WebServers http://download.oracle.com/docs/cd/E13196_01/platform/suppconfigs/configs103/103_over/add-ons.html#1084356 6.1 SP1 and all later service packs (32 bit only)   IBM AIX on pSeries: —5.2 ML7 —5.3 —6.1 HP-UX 11i on PA-RISC Microsoft Windows Server 2003 o

http://ukja.tistory.com/51    http://download.oracle.com/docs/cd/E12840_01/wls/docs103/rmi/index.html   http://www.oracle.com/technology/pub/articles/dev2arch/2008/07/spring.html     Thread pooling for RMI connection handlers When a client connects to the server socket, a ne

서비스제거하기 SC 설명:         SC는 서비스 제어 관리자 및 서비스와의 통신에 사용되는 명령줄 프로그램입니다. 사용법:         sc <서버> [명령어] [서비스 이름] <옵션1> <옵션2>...         <서버> 옵션의 형식은 "\\ServerName"입니다.  &

BPA 설치 및 작업 순서   1. 제품설치 2. DB 생성 3. 랭귀지 설정 4. 폴더구조 생성 5. 그룹 생성 6. 유저 7. 필터 8. ACP (권한)

설치 순서   DB 준비 SQL*Plus 를 통해 데이터베이스 validation 스크립트를 사용하여 해당 DB 가 ACC 설치가 가능한지 확인한다. 반드시 DB가 설치되어 있는 시스템에서 해당 스크립트를 돌려야 하며, 원격에서는 작동 불가 OACC_532_Win32Kit\Database\oracle_db_setup.zip    파일을 C:\oadddbInstall 디렉토리로 unzip cd C:\OaccdbInstall\db\oracle\scripts validate_oracle_w

 http://www.oracle.com/technology/products/oem/prod_focus/etest.html    

 http://www.oracle.com/technology/software/products/oem/htdocs/winsoft10g.html   Oracle EM 10g Grid Control 제품 다운로드 ( 2010.1.31 ) Full 버전을 설치 Oracle Enterprise Manager 10g Grid Control Release 2 (10.2.0.2.1) for Microsoft Windows (32-bit) Patche 셋설치  Oracle Enterprise

서블릿 매핑   Servlet mapping controls how you access a servlet. The following examples demonstrate how you can use servlet mapping in your Web application. In the examples, a set of servlet configurations and mappings (from the web.xml deployment descriptor) is followed by a table showing the URLs u

 Installation and Configuration DownLoad : http://www.oracle.com/technology/software/products/camm/index.html Document :  InstallationConfiguration_e14147.pdf   설치 순서 :  CAMM 프로그램 설치 : service mode / standalone mode Data Repository 구성 : Oracle DB or MySQL user 생성 : CAMM SG

 Golden Gate 를 사용하기 위한 Oracle DB 전제 조건 Archive Redo Log 가 enable 되어 있어야 함 http://blog.daum.net/gkaaudwo/7176842 Supplimental Logging 이 enable 되어 있어야 함   GoldenGate 제품 종류 GoldenGate GoldenGate Director : 별도 판매, 간단한 Monitoring / GUI 환경 / WebLogic 필요 GoldenGate Veridata : 두개의 DB간의 Data

http://download.oracle.com/docs/cd/E12840_01/wls/docs103/webapp/   Displaying Special Characters on Linux Browsers To display special characters on Linux browsers, set the JVM’s file.encoding system property to ISO8859_1. For example, java -Dfile.encoding=ISO8859_1 weblogic.Server. For a complet