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https://issues.apache.org/jira/browse/ODE-573?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Karthick Sankarachary closed ODE-573.
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> Reuse And Reduce Process Memory
> -------------------------------
>
> Key: ODE-573
> URL: https://issues.apache.org/jira/browse/ODE-573
> Project: ODE
> Issue Type: Improvement
> Components: Axis2 Integration, BPEL Compilation/Parsing, BPEL Runtime
> Affects Versions: 1.2
> Reporter: Karthick Sankarachary
> Assignee: Karthick Sankarachary
> Fix For: 1.3.1
>
> Attachments: interning-mechanism-for-processes.patch
>
>
> This is a meta issue to track all solutions geared towards reducing the
> footprint of processes. Up until now, memory optimization of processes has
> been an afterthought, and that calls for a change. There are a number of ways
> in which we can reduce the in-memory size of processes, including but not
> limited, to the following:
> a) Employ a flyweight pattern to share identical resources within the process
> model. This is analogous to the approach taken by string interning, only we
> want to it to be more generic.
> b) Refactor one or more parts of the process model in terms of a leaner and
> meaner data structure. Since this may result in a structural change in the
> serialized bytes of the process, care should be taken to maintain backwards
> compatibility.
> c) Reuse shared resources across different process models. This involves
> determining whether or not a resource is shareable, and if so, storing them
> in a system-wide cache. A reference counting mechanism may be used to manage
> the lifecycle of the cache.
> In the following comment, we will describe a solution based on approach (a).
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