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DATABASE CONNECTION POOL CONFIGURATION RECOMMENDATION

Configuring database connection pool is absolutely critical to the performance of the application. Configuring database connection pool is a double-edged sword; too strict configuration would degrade the application’s response time, whereas too lenient configuration would consume a lot of resources... Continue Reading →

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DATASTAX CASSANDRA NETTY OUTOFMEMORYERROR

Recently I encountered this issue. One of the application connects with Apache Cassandra NoSQL Database. The application uses DataStax java driver to connect with Cassandra. DataStax has a dependency on the netty library. To be specific following are the Jars that application uses:... Continue Reading →

CPU MAXES OUT AND UTILIZATION NEVER GOES DOWN?

Have you ever encountered circumstance where your applications CPU maxes out and never goes down even if traffoc volume goes down? Did you had to recycle to JVM to remediate the problem? Even if you recycle the JVM, does your CPU start to... Continue Reading →

JVM PERFORMANCE ENGINEERING & TROUBLESHOOTING

In this training program, engineers will be equipped with necessary knowledge to optimize CPU, memory and response time.

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