Why 35GB Heap is Less Than 32GB - Java JVM Memory Oddities
When I run the following Java program, which consumes all free memory with artificial data structures, something interesting happens. Something very similar happens to all real applications: https://gist.github.com/CodingFabian/8708393 [node04] ~ ➜ jdk1.7.0_51/bin/java -Xms31g -Xmx31g -Xmn50m Memory Total Memory (in bytes): 33279705088 Free Memory (in bytes): 33278908064 Max Memory (in bytes): 332
Elasticsearch Monitoring and Management Plugins
Elasticsearch offers a highly useful plugin mechanism as a standard way for extending its core. Plugins enable developers to add new functionality, e.g., a custom analyzer, or provide alternatives to existing functionality, like swapping in another transport module implementation. Additionally, plugins may contain static content which Elasticsearch then serves via its HTTP server. Of the latter ca
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Memory Analysis Part 1 - Obtaining a Java Heapdump
Transactions in Elasticsearch
