You are viewing a plain text version of this content. The canonical link for it is here.
Posted to users@jena.apache.org by ankur padia <pa...@gmail.com> on 2013/01/25 20:17:33 UTC
Regarding execution plan for SPARQL
Hello everyone,
What tool should i use to see the execution plan and time (tree) for a
given SPARQL query ?
Regards,
Ankur Padia.
Re: Regarding execution plan for SPARQL
Posted by Andy Seaborne <an...@apache.org>.
On 25/01/13 23:20, Holger Knublauch wrote:
> On 1/26/2013 5:17, ankur padia wrote:
>> Hello everyone,
>>
>> What tool should i use to see the execution plan and time (tree)
>> for a
>> given SPARQL query ?
>
> TopBraid Composer comes with a SPARQL debugger that allows you to
> display and walk through the execution of the ARQ Algebra tree:
>
> http://composing-the-semantic-web.blogspot.com.au/2009/11/sparql-debugger-and-profiler.html
>
>
> Holger
>
The arq.sparql commands have arguments
--explain -- prints deatls and the BGPs actually executed
--time -- shows the time (beware about warming up the JVM)
Andy
Re: Regarding execution plan for SPARQL
Posted by Holger Knublauch <ho...@knublauch.com>.
On 1/26/2013 5:17, ankur padia wrote:
> Hello everyone,
>
> What tool should i use to see the execution plan and time (tree) for a
> given SPARQL query ?
TopBraid Composer comes with a SPARQL debugger that allows you to
display and walk through the execution of the ARQ Algebra tree:
http://composing-the-semantic-web.blogspot.com.au/2009/11/sparql-debugger-and-profiler.html
Holger