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https://issues.apache.org/jira/browse/JENA-290?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13429400#comment-13429400
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Andy Seaborne commented on JENA-290:
------------------------------------

Fix applied - pass the reorder transformation fro the base dataset to the 
transactional datasetgraph.  This avoid recalculating it (and it's unchanging 
anyway).

A related improvement would be to use the same DatasetGraphTxn for all read 
transactions with teh same view of the base dataset (i.e. between writer 
transaction commits).
                
> TDB txn creation touches stats unnecessarily.
> ---------------------------------------------
>
>                 Key: JENA-290
>                 URL: https://issues.apache.org/jira/browse/JENA-290
>             Project: Apache Jena
>          Issue Type: Bug
>          Components: TDB
>    Affects Versions: TDB 0.9.2
>            Reporter: Andy Seaborne
>            Assignee: Andy Seaborne
>
> Each transaction is recalculating the static stats ReorderTransformation.

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