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  • De-Register CM Handles (Removed CM Handles)

De-Register CM Handles (Removed CM Handles)

Test Configurations

#

Environment/Workload

Description

1Tested on 

laptop :
Processor :          Intel© Core™ i7-8750H CPU @ 2.20GHz × 6
Installed RAM :   32.0 GB
Edition :               Linux Mint 21.1

2Docker-compose 

Docker-compose file: https://gerrit.onap.org/r/gitweb?p=cps.git;a=blob_plain;f=docker-compose/docker-compose.yml;hb=aa29f24b0da9b9d2c86a0c528357a17ff3d7a871

3cURL

De-Register CM Handles cURL Expand source

4Number of CPS Instance

1

5Number Modules per Cm Handle

10

6Commit ID (before improvement)

9c56b30 Fetch CM handles by collection of xpaths

7Commit ID (after improvement)7421c69 Use native query to delete data nodes

#

Component

Configuration Parameters

Value

1CPSnotifactions:enabled

true

2CPSconfig.additional.notification.data-updated.filters.dataspaces.enabled-dataspaces
"NON-EXISTING-DATASPACE"
3NCMPmodules-sync-watchdog:async-executor:parallelism-level

10

Test Results before any improvement

Total CM Handles 

Total Time


CM handles/sec


#

Before deletion

After deletion

Deleted 

150005002m 9s3.86
21,00001,0008m 3s2.07
32,00002,00032m 8s1.04
42,30002,30037m 58s1.01
51,0005005005m 58s1.40
61,5001,0005009m 46s0.85
72,0001,50050012m 5s0.69
82,0001,0001,00023m 33s0.71

Test Results after improvement (Commit Id : 7421c69)  Use native query to delete data nodes 

Total CM Handles 

Total Time


CM handles/sec


Speedup

#

Before deletion

After deletion

Deleted 


1500050011.5 s43.3311 x
21,00001,00033.7 s29.6914 x
32,00002,0001m 45s19.0818 x
42,30002,3002m 22s16.2316 x
51,00050050019.6 s25.4818 x
61,5001,00050027.2 s18.4122 x
72,0001,50050037.8 s13.2219 x
82,0001,0001,0001m 10s14.2220 x

Delete performance scenario on Nordix : (Commit id : 7421c69) 

#Test ScenarioNordix Build 1 (ms)Nordix Build 2  (ms)Nordix Build 3  (ms)Groovy test 
deleteDurationInMillis (ms)
1Delete root node with many descendants165168166200
2Delete data nodes for an anchor172210169250
3Delete 50 grandchildren (that have no descendants):304232263350
4Delete 5 whole lists with many elements7968527581,000
5Delete 5 children with grandchildren222232225300
6Delete 10 list elements with keys1,0191,0979901,200
7Delete 1 large data node with many descendants:2,0081,9382,1362,500

Performance of CM Handle Deregistration.xlsx

Instrumentation sample

NameMaxCountSum (sec)Avg (sec)
CPS Custom Instrumentation
cps_utils_yangparser_nodedata_with_parent_parse       0.121          3,000       1.128       0.000
cps_ncmp_lcm_events_publish       0.131          4,000       1.061       0.000
cps_ncmp_cmhandle_state_update_batch       5.886                15     33.485       2.232
cps_ncmp_inventory_persistence_schemaset_delete       0.130          1,000     13.132       0.013
cps_data_service_datanode_batch_delete       0.060          1,000       1.525       0.002
cps_ncmp_inventory_controller_update     49.925                  2     62.482     31.241
cps_data_service_list_delete       0.172          1,000     25.226       0.025
cps_data_service_datanode_get       0.558          4,057   283.310       0.070
cps_data_service_list_element_batch_save       0.000                15     11.980       0.799
cps_data_service_datanode_descendants_batch_updat       5.776                15     19.923       1.328
cps_ncmp_inventory_persistence_datanode_get       0.230                  2       0.242       0.121
Hibernation Auto Generated Instrumentation
FragmentRepository    
findByAnchorAndCpsPath
             118         0.985       0.008
identifyNewModuleReferences
          1,000         6.559       0.007
findByName
          2,242       17.978       0.008
deleteOrphans
          1,000         5.670       0.006
getResourceIdsByModuleReferences
          1,000         6.366       0.006
findAllBySchemaSet
          1,000         0.379       0.000
save
          1,000         1.475       0.001
findAllByChecksumIn
          1,004         1.857       0.002
findByAnchorIdAndParentXpath
          3,002       12.050       0.004
findByAnchorAndMultipleCpsPaths
                  1         0.077       0.077
findRootsByAnchorId
          2,059    102.334       0.050
deleteByAnchorIn
          1,000         0.630       0.001
findByDataspaceAndAnchorAndXpath
          4,000         2.365       0.001
DataspaceRepository    
findAll
                  1         0.006       0.006
saveAll
          1,019         6.940       0.007
AnchorRepository    
findByDataspaceAndName
        16,237       10.307       0.001
save
          1,000         1.138       0.001
delete
          1,000         0.094       0.000
YangResourceRepository    
saveAll SUCCESS
                  1         0.014       0.014
savaAll ERROR
                  4         0.208       0.052
insertSchemaSetIdYangResourceId
          1,000         1.081       0.001
SchemaSetRepository    
findByDataspaceAndName
          5,001         3.525       0.001
delete
          1,000         0.135       0.000
save
          1,000         1.104       0.001



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