[ http://jira.codehaus.org/browse/MRM-142?page=comments#action_71445 ] 
            
Brett Porter commented on MRM-142:
----------------------------------

did some performance analysis while I was there. It appears that indexing the 
JAR files is not the time consuming operation, but rather the indexing, 
checksumming and reading the POMs:

discovery: 7% (mostly the directory scanner - a total of 6%)
indexing records: 53%
reading records: 32%

Breaking down the last one:
reading pom: 16%
reading checksum: 14%

Breaking down reading the POM:
resolving: 3% (these are all local)
building: 13%

Breaking down building:
interpolation: 5%

This was with no existing index. It may be more skewed towards indexing if it 
has to delete all the records as it goes.


> possible memory leak
> --------------------
>
>                 Key: MRM-142
>                 URL: http://jira.codehaus.org/browse/MRM-142
>             Project: Maven Repository Manager
>          Issue Type: Bug
>          Components: indexing
>            Reporter: Brett Porter
>         Assigned To: Brett Porter
>             Fix For: 1.0-beta-1
>
>   Original Estimate: 1 hour
>  Remaining Estimate: 1 hour
>
> need to investigate if there is a memory leak, since the server received an 
> OOME some time after successfully completing a full index with 1Gb heap with 
> just some browsing/searching. It is most likely in the indexing itself, but 
> there may be some in the browse/search interface too

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