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Author Archives: omkreddy
The Art of Java Application Performance Analysis and Tuning – Part 5
This is the fifth article in the series of articles exploring the tools and techniques for analyzing, monitoring, and improving the performance of Java applications. The Art of Java Application Performance Analysis and Tuning-Part 1 The Art of Java Application … Continue reading
The Art of Java Application Performance Analysis and Tuning – Part 4
This is the fourth article in the series of articles exploring the tools and techniques for analyzing, monitoring, and improving the performance of Java applications. The Art of Java Application Performance Analysis and Tuning-Part 1 The Art of Java Application … Continue reading
The Art of Java Application Performance Analysis and Tuning – Part 3
This is the third article in the series of articles exploring the tools and techniques for analyzing, monitoring, and improving the performance of Java applications. The Art of Java Application Performance Analysis and Tuning – Part 1 … Continue reading
The Art of Java Application Performance Analysis and Tuning – Part 2
This is the second article in the series of articles exploring the tools and techniques for analyzing, monitoring, and improving the performance of Java applications. The Art of Java Application Performance Analysis and Tuning-Part 1 The Art … Continue reading
The Art of Java Application Performance Analysis and Tuning – Part 1
This is the first article in the series of articles exploring the tools and techniques for analyzing, monitoring, and improving the performance of Java applications. The Art of Java Application Performance Analysis and Tuning-Part 2 The Art … Continue reading
EhCache — Too Many Open Files
EhCahce with “diskPersistent=true” flag is used to persist the cache values to disk and can be used after system restarts. If you have many caches with “diskPersistent=true” then you may get “Too many Open files Exception”. This is because EhCache is using nearly 30 open … Continue reading
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Hibernate – Oracle : Creating Index For Foreign-Key Columns
In Oracle adding Index for Foreign Key columns is important for performance reasons. And also if you are using transactions, It is important to create index for FK columns. With out index your application may experience many deadlock problems. These indexes are automatically generated for MySQL … Continue reading
Posted in Hibernate, java
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Airtel 3G datacard on Ubuntu 11.04/11.10
This procedure is for a Huawei E1731 USB modem that I got from Airtel. 1. Install wvdial sudo apt-get install -yq usb-modeswitch usb-modeswitch-data wvdial 2. Configure modem (Make sure you replace the<phone number> placeholder with your actual phone number. … Continue reading
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JacORB Configuaration
Add the following JacORB properties to java command line or update in jacorb.properties file To enable general debug logs add the below line -Djacorb.log.default.verbosity=4 To enable notification debug logs add the below line -Dorg.jacorb.notification.log.verbosity=4 To increase POA Queue. Increase this … Continue reading
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