Multitenant
summary
IBM prototypes a multitenant JVM that runs many application instances inside a single host process using a new -Xmt option, transparent class sharing and per-tenant viewpoints on statics, with a region-based GC that allocates fixed region sets per tenant and can move objects between tenant and global regions for billing; resource control favors throttling over killing, OS-level cgroups give more accurate CPU limits than runtime alone, and native libraries can be isolated via a proxy native-process approach to avoid shared static state.
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chapters (10)
- 0:00Introduction
- 5:35What is Multitenant
- 10:05Building Blocks
- 24:24Runtime
- 24:54Call Balance
- 28:24Resource Management
- 30:24Memory
- 33:34Bad Behavior
- 36:04Solution
- 38:29Statics
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