De-Register CM Handles (Removed CM Handles)
Test Configurations
# | Environment/Workload | Description |
|---|---|---|
| 1 | Tested on | laptop : Processor : Intel© Core™ i7-8750H CPU @ 2.20GHz × 6 Installed RAM : 32.0 GB Edition : Linux Mint 21.1 |
| 2 | Docker-compose | Docker-compose file: https://gerrit.onap.org/r/gitweb?p=cps.git;a=blob_plain;f=docker-compose/docker-compose.yml;hb=aa29f24b0da9b9d2c86a0c528357a17ff3d7a871 |
| 3 | cURL | De-Register CM Handles cURL |
| 4 | Number of CPS Instance | 1 |
| 5 | Number Modules per Cm Handle | 10 |
| 6 | Commit ID (before improvement) | |
| 7 | Commit ID (after improvement) | 7421c69 Use native query to delete data nodes |
# | Component | Configuration Parameters | Value |
|---|---|---|---|
| 1 | CPS | notifactions:enabled | true |
| 2 | CPS | config.additional.notification.data-updated.filters.dataspaces.enabled-dataspaces | "NON-EXISTING-DATASPACE" |
| 3 | NCMP | modules-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 | ||
| 1 | 500 | 0 | 500 | 2m 9s | 3.86 |
| 2 | 1000 | 500 | 500 | 5m 58s | 1.40 |
| 3 | 1500 | 1000 | 500 | 9m 46s | 0.85 |
| 4 | 2000 | 1500 | 500 | 12m 5s | 0.69 |
| 5 | 1000 | 0 | 1000 | 8m 3s | 2.07 |
| 6 | 2000 | 1000 | 1000 | 23m 33s | 0.71 |
| 7 | 2000 | 0 | 2000 | 32m 8s | 1.04 |
| 8 | 2300 | 0 | 2300 | 37m 58s | 1.01 |
Test Results after improvement 7421c69 Use native query to delete data nodes
Total CM Handles | Total Time | CM handles/sec | Speedup | |||
|---|---|---|---|---|---|---|
# | Before deletion | After deletion | Deleted | |||
| 1 | 500 | 0 | 500 | 11.5 s | 43.33 | 11 x |
| 2 | 1000 | 500 | 500 | 19.6 s | 25.48 | 18 x |
| 3 | 1500 | 1000 | 500 | 27.2 s | 18.41 | 22 x |
| 4 | 2000 | 1500 | 500 | 37.8 s | 13.22 | 19 x |
| 5 | 1000 | 0 | 1000 | 33.7 s | 29.69 | 14 x |
| 6 | 2000 | 1000 | 1000 | 1m 10s | 14.22 | 20 x |
| 7 | 2000 | 0 | 2000 | 1m 45s | 19.08 | 18 x |
| 8 | 2300 | 0 | 2300 | 2m 22s | 16.23 | 16 x |
Spreadsheet: 
Performance of CM Handle Deregistration.ods
Delete performance scenario on Nordix:
| # | Test Scenario | Nordix Build 1 (ms) | Nordix Build 2 (ms) | Nordix Build 3 (ms) | Groovy test deleteDurationInMillis (ms) |
| 1 | Delete root node with many descendants | 165 | 168 | 166 | 200 |
| 2 | Delete data nodes for an anchor | 172 | 210 | 169 | 250 |
| 3 | Delete 50 grandchildren (that have no descendants): | 304 | 232 | 263 | 350 |
| 4 | Delete 5 whole lists with many elements | 796 | 852 | 758 | 1000 |
| 5 | Delete 5 children with grandchildren | 222 | 232 | 225 | 300 |
| 6 | Delete 10 list elements with keys | 1019 | 1097 | 990 | 1200 |
| 7 | Delete 1 large data node with many descendants: | 2008 | 1938 | 2136 | 2500 |