JEP draft: 64 bit object headers

• ohc

  2 1,037 1.9 Java

  Java large off heap cache

• FST

  2 1,568 0.0 Java

  FST: fast java serialization drop in-replacement

• InfluxDB

  www.influxdata.com sponsored

  Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.

  

• Oak

  2 266 0.0 Java

  A Scalable Concurrent Key-Value Map for Big Data Analytics (by yahoo)

  

Another to add to your collection, https://github.com/yahoo/Oak

• JDK

  191 18,352 10.0 Java

  JDK main-line development https://openjdk.org/projects/jdk

  

Also, i believe that 'classes' aren't fixed size, because they contain the class's vtable [1]. As such, you couldn't keep them in an indexable array anyway.

[1] in HotSpot they are instances of InstanceKlass: https://github.com/openjdk/jdk/blob/master/src/hotspot/share...

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