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Posted to dev@uima.apache.org by "Adam Lally (JIRA)" <ui...@incubator.apache.org> on 2008/11/20 20:42:44 UTC

[jira] Created: (UIMA-1230) When parsing an aggregate descriptor, should parse a shared type system file only once

When parsing an aggregate descriptor, should parse a shared type system file only once
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                 Key: UIMA-1230
                 URL: https://issues.apache.org/jira/browse/UIMA-1230
             Project: UIMA
          Issue Type: Improvement
          Components: Core Java Framework
    Affects Versions: 2.2.2
            Reporter: Adam Lally
            Assignee: Adam Lally
            Priority: Minor
             Fix For: 2.3


Frequently an aggregate will contain several primitives that all import a single shared type system descriptor.  Currently, the shared type system descriptor will be separately parsed for each of the primitives, and each primitive descriptor will contain a separate copy of the TypeSystemDescription object.

When there are a large number of primitives and a large number of types in the shared type system, this parsing takes a long time and the resulting TypeSystemDescription objects consume a lot of memory.

Instead, we could keep a cache of imports that have already been parsed, and we can reuse the same TypeSystemDescription object within each of the primitive descriptors rather than having a separate copy.

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[jira] Closed: (UIMA-1230) When parsing an aggregate descriptor, should parse a shared type system file only once

Posted by "Adam Lally (JIRA)" <ui...@incubator.apache.org>.
     [ https://issues.apache.org/jira/browse/UIMA-1230?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Adam Lally closed UIMA-1230.
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    Resolution: Fixed

> When parsing an aggregate descriptor, should parse a shared type system file only once
> --------------------------------------------------------------------------------------
>
>                 Key: UIMA-1230
>                 URL: https://issues.apache.org/jira/browse/UIMA-1230
>             Project: UIMA
>          Issue Type: Improvement
>          Components: Core Java Framework
>    Affects Versions: 2.2.2
>            Reporter: Adam Lally
>            Assignee: Adam Lally
>            Priority: Minor
>             Fix For: 2.3
>
>
> Frequently an aggregate will contain several primitives that all import a single shared type system descriptor.  Currently, the shared type system descriptor will be separately parsed for each of the primitives, and each primitive descriptor will contain a separate copy of the TypeSystemDescription object.
> When there are a large number of primitives and a large number of types in the shared type system, this parsing takes a long time and the resulting TypeSystemDescription objects consume a lot of memory.
> Instead, we could keep a cache of imports that have already been parsed, and we can reuse the same TypeSystemDescription object within each of the primitive descriptors rather than having a separate copy.

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