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https://issues.apache.org/jira/browse/DERBY-2281?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Laura Stewart updated DERBY-2281:
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    Attachment: itserv_os.jpg
                itserv_os.gif

Attaching updated graphic files in both gif and jpg formats.
I think that there should be some additional spacing vertically to 
separate the 3 SELECT statements and associated objects and cache.

Please review and let me know of any changes that need to be made.
After I receive all of the comments, I'll post html files and a patch file.

> Update the Tuning Guide figure about using the statement cache
> --------------------------------------------------------------
>
>                 Key: DERBY-2281
>                 URL: https://issues.apache.org/jira/browse/DERBY-2281
>             Project: Derby
>          Issue Type: Bug
>          Components: Documentation
>    Affects Versions: 10.2.3.0
>            Reporter: Laura Stewart
>         Assigned To: Laura Stewart
>            Priority: Minor
>         Attachments: itserv_os.gif, itserv_os.jpg
>
>
> The second figure in file ctundepth32379.dita needs to be updated. 
> These comments came from Stan Bradbury as part of his review for Derby-1842
> Fig 2 : The graphic is not correct - I suggest a horizontal line separating 
> Connection One and Connection Two (line should run under the TOP select, it's 
> three exection-arrows and the TOP Statement Object) - label: 'Connection One' 
> should be ABOVE the Select statement and FIRST execution-arrow for the 
> Connection (not below an execution-arrow). 
> Label 'Connection Two' should be above the SECOND select (below the added 
> line) and it's FIRST execution-arrow (the second solid arrow). This arrow 
> needs to be the only arrow pointing to the SECOND Statement Object. 
> Replace the dotted line at the bottom with a STRAIGTH, SOLID line that runs 
> STRAIGHT between the BOTTOM select statement and the BOTTOM (third) Statement 
> Object. There is no 'elbow' arrow for the second connection. 
> It is not clear that the only the TOP select AND the TOP Statement Object are 
> part of Connection One. All three Connection One execution-arrows need to 
> point to the SAME (TOP) Statement Object. The next TWO selects, 
> exectuion-arrows and Statement Objects need to be in do not line up properly 
> . --The arrows between the Statment Objects and the Statement Cache pages are 
> good. 

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