Monthly Archives: June 2019

JVM – Profiling and GC analysis tool

The easiest GC log analysis web site. https://gceasy.io/ Profiling Adding a JVM Option +XX:+PreserveFramePointer https://github.com/jvm-profiling-tools/perf-map-agent https://github.com/brendangregg/FlameGraph $ perf-java-flames [pid] https://github.com/Netflix/flamescope Advertisements

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Simple way to generate ssh pub/private key

Very simple way to generate ssh pub/private key in Linux. Copy the content of .ssh/id_rsa.pub to .ssh/authorized_keys

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Spark – Cassandra connector example

Github https://github.com/nsclass/spark-cassandra-example

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Client side load balancing

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