Jena Performance Issue

[Sushanth Vaddaram]

Hi All,

Whenever I run JMETER script with 10 users , it increases my CPU utilization to 
97% . Is there any way I can find out the issue which is causing this.
Is there anything I can do to fix the issue.

PREFIX dip:<http://sce.ccs.utc.com/dip/reference-ontology#> 
PREFIX map-onto:<http://sce.ccs.utc.com/dip/mapping-ontology#> 
PREFIX auth:<http://sce.ccs.utc.com/dip/semantics/authorization#> 
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> 
PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#> 
PREFIX owl: <http://www.w3.org/2002/07/owl#> 

SELECT DISTINCT 
  ?datapointURI  ?datapointTYPE  ?datapointLABEL  ?datapointSYSTEM  
?datapointPROVIDER  ?datapointDATAMOD  ?datapointABSTPROP
WHERE 
{
 { 
 ?datapointURI  rdf:type   dip:DataPoint  . 
 ?datapointPROVIDER  dip:provides_info_object   ?datapointURI . 
 ?datapointPROVIDER  dip:in_system  <http://dip.bis.utc.com/7#bacnet_7> . 
 ?datapointURI  rdf:type   ?datapointTYPE . 
 } 
        UNION
 { 
 ?datapointURI  rdf:type   dip:DataPoint  . 
 ?datapointPROVIDER  dip:provides_info_object   ?datapointURI . 
 ?datapointPROVIDER  dip:in_system  <http://dip.bis.utc.com/7#bacnet_7> . 
 ?datapointURI  rdfs:label   ?datapointLABEL . 
 } 
        UNION
 { 
 ?datapointURI  rdf:type   dip:DataPoint  . 
 ?datapointPROVIDER  dip:provides_info_object   ?datapointURI . 
 ?datapointPROVIDER  dip:in_system  <http://dip.bis.utc.com/7#bacnet_7> . 
 ?datapointURI  dip:data_source_url   ?datapointDATAMOD . 
 } 
        UNION
 { 
 ?datapointURI  rdf:type   dip:DataPoint  . 
 ?datapointPROVIDER  dip:provides_info_object   ?datapointURI . 
 ?datapointPROVIDER  dip:in_system  <http://dip.bis.utc.com/7#bacnet_7> . 
 ?datapointPROVIDER  dip:provides_info_object   ?datapointURI . 
 ?datapointPROVIDER  dip:in_system   ?datapointSYSTEM . 
 } 
        UNION
 { 
 ?datapointURI  rdf:type   dip:DataPoint  . 
 ?datapointPROVIDER  dip:provides_info_object   ?datapointURI . 
 ?datapointPROVIDER  dip:in_system  <http://dip.bis.utc.com/7#bacnet_7> . 
 ?datapointPROVIDER  dip:provides_info_object   ?datapointURI . 
 } 
        UNION
 { 
 ?datapointURI  rdf:type   dip:DataPoint  . 
 ?datapointPROVIDER  dip:provides_info_object   ?datapointURI . 
 ?datapointPROVIDER  dip:in_system  <http://dip.bis.utc.com/7#bacnet_7> . 
 ?datapointURI  dip:abstracts   ?datapointABSTPROP . 
 } 
{


SELECT DISTINCT 
  ?datapointURI
WHERE 
{
 { 
 ?zoneURI  dip:covers  
<http://test.dip.ales/spacetest#03d78792bb3eb3086b9e4135> . 
 ?zoneURI  dip:has_scene_property   ?zonePROP . 
 ?datapointURI  dip:abstracts   ?zonePROP . 
 ?datapointURI  rdf:type   dip:DataPoint  . 
 } 
        UNION
 { 
<http://test.dip.ales/spacetest#03d78792bb3eb3086b9e4135>  
dip:spatial_containment   ?deviceURI . 
 ?deviceURI  dip:provides_info_object   ?datapointURI . 
 ?datapointURI  rdf:type   dip:DataPoint  . 
 } 
        UNION
 { 
 ?datapointURI  rdf:type   dip:DataPoint  . 
 ?datapointPROVIDER  dip:provides_info_object   ?datapointURI . 
 ?datapointPROVIDER  dip:in_system  <http://dip.bis.utc.com/7#bacnet_7> . 
<http://test.dip.ales/spacetest#03d78792bb3eb3086b9e4135>  
dip:contains_hardware / dip:contains_hardware_device   ?deviceURI . 
 ?deviceURI  dip:provides_info_object   ?datapointURI . 
 ?datapointURI  rdf:type   dip:DataPoint  . 
 } 
}

}
}