Jira Legacy

server	System JiraJIRA
serverId	01505d01-b853-3c2e-90f1-ee9b165564fc
key	MSEARCH-300

Test with long ramp-up period, 1 minute per user from 0 to 25 users

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	env
	env

Environment

mod-search 1.6.4
OpenSearch service
- nodes type r6g.large.search (X4) * (4 data nodes 3 dedicated master nodes);
- version OpenSearch 1.2 (latest);
kafka 2.8.0

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	summary
	summary

Summary

ALL tests (1-50 users) ended without errors. Average response time . most resource intensive is mod-search. During test 50 users call number browsing CPU usage reached more than 300%.
During tests 50 users with background activities (CICO+ Data Import) response time increased up to 10%-15%.

number of users	average rt	% CPU mod-search
1	0.148	12
5	0.168	42
10	0.191	75
20	0.321	122
50	1.821	158

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	test01
	test01

1 user

Requests	Total	OK	KO	% KO	Req/s	Min	50th pct	75th pct	95th pct	99th pct	Max	Average	Latency
GET_browse _call_numbers	1747	1747	0	0	2.220	0.053	0.142	0.166	0.255	0.308	0.687	0.148	0.251

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	test05
	test05

5 users

Requests	Total	OK	KO	% KO	Req/s	Min	50th pct	75th pct	95th pct	99th pct	Max	Average	Latency
GET_browse _call_numbers	8219	8219	0	0	10.693	0.048	0.150	0.188	0.295	0.419	0.920	0.168	0.292

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	test10
	test10

10 users

Requests	Total	OK	KO	% KO	Req/s	Min	50th pct	75th pct	95th pct	99th pct	Max	Average	Latency
GET_browse _call_numbers	12741	12741	0	0	20.313	0.051	0.161	0.233	0.387	0.584	1.437	0.191	0.384

20 users

Requests	Total	OK	KO	% KO	Req/s	Min	50th pct	75th pct	95th pct	99th pct	Max	Average	Latency
GET_browse _call_numbers	12193	12193	0	0	32.169	0.052	0.245	0.441	0.739	1.025	2.441	0.321	0.736

50 users

Requests	Total	OK	KO	% KO	Req/s	Min	50th pct	75th pct	95th pct	99th pct	Max	Average	Latency
GET_browse _call_numbers	7849	7849	0	0	38.485	0.081	0.963	1.259	1.823	2.182	3.275	0.996	1.821

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	test1
	test1

50 users 30 min (10 min ramp up)

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Call number browsing with background CICO activity.

A large usege usage of processor resources is observed in the mod-search module during call number browsing. I guess need to increase the processor resources in tack task definition of this module.

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Call number browsing + DI + CICO