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Posted to dev@jackrabbit.apache.org by "Alex Parvulescu (Updated) (JIRA)" <ji...@apache.org> on 2011/10/17 17:20:10 UTC

[jira] [Updated] (JCR-3117) Stats for the PersistenceManager

     [ https://issues.apache.org/jira/browse/JCR-3117?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Alex Parvulescu updated JCR-3117:
---------------------------------

    Description: 
Statistics for the PersistenceManager impl that cover: 
 - bundle cache access count, 
 - bundle cache miss count, 
 - bundle cache miss avg duration (this avg includes the penalty of having to load from the underlying storage / can be interpreted as avg read latency as there is no cache involved) 
 - bundle writes per second

What it doesn't cover is :
 - number of bundles
 - size of workspace
as these are values that are expensive to compute on demand, and caching them would imply being able to store the values (which is not possible currently).
       Priority: Minor  (was: Major)
    
> Stats for the PersistenceManager
> --------------------------------
>
>                 Key: JCR-3117
>                 URL: https://issues.apache.org/jira/browse/JCR-3117
>             Project: Jackrabbit Content Repository
>          Issue Type: Sub-task
>          Components: jackrabbit-core
>            Reporter: Alex Parvulescu
>            Priority: Minor
>
> Statistics for the PersistenceManager impl that cover: 
>  - bundle cache access count, 
>  - bundle cache miss count, 
>  - bundle cache miss avg duration (this avg includes the penalty of having to load from the underlying storage / can be interpreted as avg read latency as there is no cache involved) 
>  - bundle writes per second
> What it doesn't cover is :
>  - number of bundles
>  - size of workspace
> as these are values that are expensive to compute on demand, and caching them would imply being able to store the values (which is not possible currently).

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