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Posted to dev@jackrabbit.apache.org by "Marcel Reutegger (JIRA)" <ji...@apache.org> on 2009/11/02 11:39:59 UTC
[jira] Created: (JCR-2376) Add basic I/O counters to query handler
Add basic I/O counters to query handler
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Key: JCR-2376
URL: https://issues.apache.org/jira/browse/JCR-2376
Project: Jackrabbit Content Repository
Issue Type: New Feature
Components: jackrabbit-core
Reporter: Marcel Reutegger
Priority: Minor
There should be a couple of simple counters that track the number of I/O operations that are performed during a query execution. This will help debug query performance issues.
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[jira] Resolved: (JCR-2376) Add basic I/O counters to query handler
Posted by "Marcel Reutegger (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/JCR-2376?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Marcel Reutegger resolved JCR-2376.
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Resolution: Fixed
Fix Version/s: 2.0.0
Implemented in revision: 831865
There are currently two read counts available in the debug log for QueryResultImpl:
- number of reads to execute the query
- number of reads to retrieve result set
Sample log messages:
QueryResultImpl: query executed in 0 ms (72)
QueryResultImpl: retrieved ScoreNodes in 0 ms (13)
The number in brackets are the number of reads from the index files.
> Add basic I/O counters to query handler
> ---------------------------------------
>
> Key: JCR-2376
> URL: https://issues.apache.org/jira/browse/JCR-2376
> Project: Jackrabbit Content Repository
> Issue Type: New Feature
> Components: jackrabbit-core
> Reporter: Marcel Reutegger
> Priority: Minor
> Fix For: 2.0.0
>
>
> There should be a couple of simple counters that track the number of I/O operations that are performed during a query execution. This will help debug query performance issues.
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