Recent Articles
Oracle WebLogic: Monitoring WebService Performance then Trigger Auto JFR and Thread Dump – Volume-II
In this screen cast I am showing WebService Performance monitoring with CURL; WebService can be SOAP or REST Giving alarm threshold for the WebService total response times Triggering auto Java Flight Recorder (JFR) and auto thread dump when the WebService performance exceeds the threshold Sample HelloWaitWebService application available at my github account: https://github.com/admineer/HelloWaitWebServiceApp Scripts are available […]
Monitoring WebLogic Server Disk Usage and Deleting Logs
1. Below shell script shows /appdata, /root and /u01 mount points’ disk usage
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#Author: Fevzi Korkutata #Shows server's /appdata, /ROOT and /u01 disk usage percentage # Modify awk part according to your server 'df' command output echo DISK_APPDATA=$(df /appdata | grep /appdata | awk '{print $5}' | tr '%' ' ') ; echo DISK_ROOT=$(df / | grep / | awk '{print $5}' | tr '%' ' ') ; echo DISK_U01=$(df /u01 | grep /u01 | awk '{print $5}' | tr '%' ' ') |
2. WLSDM Action Script
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# Author: Fevzi Korkutata # Finds the logs before 1 and 3 days after and deletes them find /appdata/domains/ccb_domain/servers/. -type f -mtime +1 | grep -E 'log0|out0|err0' | awk '$1' | xargs rm -rf find /appdata/ouaf/sploutput/CCBPROD/ -type f -mtime +3 | grep -E '*' | awk '$1' | xargs rm -rf |
Here is the result chart after adding as Generic DevOps MBean:
Oracle Developer Meetup İSTANBUL – Boğaziçi Üniversitesi
İkincisini İstanbul Boğaziçi Üniversitesi’nde gerçekleştirdiğimiz Oracle Developer Meetup yine oldukça faydalı ve bilgi dolu geçti. Çok samimi ilerliyoruz ve tek hedefimiz güncel geliştirici teknolojileri ile bilgi birikimimizi arttırmak. Siz de bu buluşmalarda bize katılabilirsiniz… Oracle Bulut Mikroservis ve Oracle WebLogic Kubernetes Operator gibi geliştiricilere yönelik Oracle teknolojileri üzerine son gelişmeleri ve trendleri aktardık. Yazılım geliştirmeye […]
Oracle Developer Meetup – İTÜ Teknokent
Yazılım geliştirmeye ilgisi olan misafirlerimizi ITÜ Magnet ev sahipliğinde, samimi bir ortamda ve akşam yemeği eşliğinde gerçekleştirdiğimiz Oracle Developer Meetup’ta ağırladık. Etkinliğe katılım bir hayli yüksekti. Özellikle yurt dışından davet ettiğimiz konuşmacı Geertjan Wielanga’yı ağırlamak bizim için ayrı bir keyifti. Geliştiricilere yönelik yaptığımız bu etkinlikleri devam ettireceğiz. Siz de grubumuza dahil olmak istiyorsanız; meetup […]
Oracle WebLogic Yönetimi, İzleme ve İyileştirme
Oracle Cloud Day etkinliğinde yapmış olduğum teknik sunum. Güncelliğini korumakta, montajlayıp yayına aldım. Faydalı olması dileklerimle… İçerdiği Kısa Konular: Oracle WebLogic Multitenancy WebLogic Performans İzleme WebLogic Performans İyileştirme Java Server Loader
Understanding and Learning Oracle WebLogic Thread Pool (Hoggers & Stucks): EJB, JDBC/SQL, HTTP/WebService Thread Analyzing
I have prepared a new YouTube podcast tutorial about WebLogic self tuning thread pool. I know that a lot of people prepared such WebLogic Hogger/Stuck thread tutorials. However this topic would be up to date unless Oracle change the JVM engine work methodology. Tutorial Artifacts: Table of Contents Screen Captures YouTube Tutorial Podcast (31:37 Minute) […]
Oracle Open World, My Sessions, Updates and Notes ( M.Fevzi Korkutata – Oracle ACE )
I have completed my two sessions at Oracle Open World, 2017. I want to thank all my friends and attendees and the people I am in collaboration with to implement Oracle and open source technologies. I am attaching some fresh pictures and screen captures while ongoing #OOW17 journey. I have presented about WebLogic Multi-tenancy, SPARC […]
Podcast: Monitor Remote WebService Response Times with CURL on WebLogic THEN auto inform 3rd Party. HOW?
Lately I wrote a blog post about monitoring remote back-end WebService performance in Oracle WebLogic Server. Here is my previous short tutorial blog post: http://community.wlsdm.com/topic/38/monitor-webservice-response-times-with-curl-alldetails-on-weblogic This time I have prepared a full youtube screen cast tutorial and took this monitoring to the next level which is sending dynamic email to the remote system owners. Check […]
How to auto shutdown WebLogic Managed Server? if “high CPU” then “SHUTDOWN” (WLST Script)
WebLogic JVM Instance (Managed Server): if “high CPU” then “SHUTDOWN” I have prepared a new screen cast. May be it will inspire you to create your own automation. New screen cast published to manage Oracle #WebLogic Server as a DevOps. In this tutorial you are going to learn how to auto shutdown WebLogic managed server when […]
Monitoring Certificate Expiry Dates of a JAVA Keystore (.JKS) File in a WebLogic Domain (Shell Script, Scheduling, Alerting)
One of my client asked me how to monitor expiry dates of JKS certificate entries in a WebLogic domain. If an imported certificate entry expires in a JKS (Java Keystore File) then the HTTPS transactions is going to fail because of SSL handshake exception/failure. So, a proactive administrator should monitor these certificates and should warn […]
Mission Completed: Volume II (Oracle SOA Suite 12c Certified Implementation Specialist)
I have achieved Oracle SOA Suite 12c Certified Implementation Specialist program. Anymore I am going to serve to my valuable clients as “Certified SOA Specialist”. In 2017 I have upgraded two big companies Oracle SOA Suite infrastructure and this year was really efficient. I have upgraded below FMW products to 12c in three diffent company. […]
Oracle Java Cloud Service, Container Cloud Service and WebLogic 12c R2 Multitenancy Workshop/Training by Oracle ACE Fevzi Korkutata
Up to date, introduction, fundamentals and advanced Oracle Cloud Training by Oracle ACE M.Fevzi Korkutata. Hands-on Workshop/Training in Riyadh, Saudi Arabia. You don’t want to miss this opportunity. Make your reservation and let’s increase productivity together. You are going to touch and learn and configure below Oracle Cloud Services: Oracle Cloud Infrastructure – Compute Classic […]
Oracle & ADMINEER Workshop (SPARC, WebLogic, Multitenancy and WLSDM)
22.05.2017, Pazartesi tarihinde bir etkinliğimiz olacak, ektinlik içeriği ve detayları aşağıdaki gibidir. Etkinlik Başlık: Solaris SPARC Sunuculara Geçiş Projeleri, Performans Çıktıları (WebLogic & Database) ve WLSDM Session-1: WebLogic Ortamlarının Migration Yöntemleri ve Oracle Solaris SPARC sunucularındaki Performans Çıktıları WebLogic Multitenancy and Partitioning (Microcontainer) Session-2: WLSDM ile WebLogic Monitoring: Hands-on Workshop Hogger/Stuck Thread’ler İle Nasıl Başa […]
Mission Completed: Oracle WebLogic Server 12c Certified Implementation Specialist
Today I am very happy to announce that I have achieved WebLogic Server 12c Implementation Specialist certification. Anymore I am going to serve to my valuable client as “Oracle Certified Specialist” and “Oracle PartnerNetwork Certified Specialist”. I know that certification is not at all but my hands-on experience made it very easy to achieve. Next […]
SPARC S7-2 Server vs. x86 Server: Comparison and Load Analyze
Recently we have compared Application Server Middleware performance on Solaris SPARC S7-2 Server and x86 servers. I am not going to share the model and brand of the x86 system. But it is for sure that the two compared servers are in the same segment/class. Here is the quick SPARC S7-2 CPU Benchmark Results on […]
2 Minutes Tech Tip: JMX and WebLogic MBean Objects
I really enjoyed while recording this “2 Minutest Tech Tip” at DOAG-2016, Nuremberg, GERMANY. This interview contains high level technical knowledge for WebLogic administrators and also covers recommendations for WebLogic newbies. Remember, always monitor your WebLogic JMX MBean object values. Go to www.wlsdm.com/download Enjoy! Youtbe direct link: https://www.youtube.com/watch?v=0UihkKsUWFI
Oracle JDeveloper 4K Display (3840×2160) Resolution Problem on Windows 10
When I moved to Dell XPS 9550 laptop …YES! It’s absolutely better than Mac-Pro I had a serious problem about JDeveloper user interface on Windows 10 which was a UI scale problem. Problems: Oracle JDeveloper (jdev) buttons,icons,menu is too small Fonts are too small. It’s impossible to develop even “Hello World” Environment: Windows 10 […]
WebLogic 12.2.1.2: 12.2.1.1 Kurulum, Konfigurasyon, Domain Olusturma, Upgrade Notlari
Güncel Oracle WebLogic Server sürümü 12.2.1.2 olup (November 20, 2016), release note’a şu URL’den bakılabilir. http://docs.oracle.com/middleware/12212/wls/WLSRN/toc.htm https://blogs.oracle.com/PortalsProactive/entry/oracle_fusion_middleware_12c_122 Ayrıca official dokümantasyon’a şu URL’den erişilebilir. https://docs.oracle.com/middleware/12212/wls/index.html Oracle gün geçmiyor ki WebLogic Server ve FMW ürün ailesi için yeni bir versiyon yayınlamasın. Kurumlar, firmalar projeye başlıyor ve 2 yılda bitecek proje için başladıkları WebLogic versiyonunun üzerine Oracle iki,üç bazen […]
See you at DOAG2016: Advanced DevOps WebLogic Monitoring: Tips & Tricks & DEMO
I would like to see you at DOAG2016. Let’s meet you at there and talk about doing business together. About My Presentation: The session is highly technical and I will do live DEMOS on my local PC. Demonstrations would be about; Monitoring WebLogic Domain Resources and Partitions, WebLogic Behavior under Load, Dealing with HOGGER/STUCK […]
Apple iMac 27inch 5K Retina Display: i5 vs. i7 >> Performance Comparison via Oracle WebLogic
Yes, the result is obvious and you can say that there is no need to compare them. But, let’s do a deep Middleware analyse and calculate price/cost/performance results. First of all I have decided to buy a new all in one PC. Normally I use Microsoft Windows PC for my daily business work and quite […]