Sowmya Krishnan created CLOUDSTACK-4158:
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Summary: [Performance Testing] List API performance in comparison
to 4.1 is not as good
Key: CLOUDSTACK-4158
URL: https://issues.apache.org/jira/browse/CLOUDSTACK-4158
Project: CloudStack
Issue Type: Bug
Security Level: Public (Anyone can view this level - this is the default.)
Components: API
Affects Versions: 4.2.0
Environment: Simulator for creating mock resources, advanced zone, RVR
Reporter: Sowmya Krishnan
Priority: Critical
Fix For: 4.2.0
Executed few List API calls for tracking performance runs for 4.2 and compared
the results with 4.1. Most APIs are taking noticeably longer as compared to 4.1
Examples:
API Time taken in 4.1 Time taken in 4.2
listAccounts 1m25.348s 2m22.628s
listEvents 0m6.575s 0m20.277s
Results so far are posted here (including comparitive results)
https://cwiki.apache.org/confluence/display/CLOUDSTACK/Performance+Test+Execution+for+4.2
Performance Test bed details:
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Management server:
Processor
Dual core Intel(R) Xeon(R) CPU processor, 2.27GHz, ht enabled, 4 processor
Operating System
CentOS release 5.5 (Final), x86_64
Configuration Parameters
Following config parameters were used in both the management servers
- Java heap size = 5 GB
- db.cloud.maxActive = 250
-
db.cloud.url.params=prepStmtCacheSize=517&cachePrepStmts=true&prepStmtCacheSqlLimit=4096&includeInnodbStatusInDeadlockExceptions=true&logSlowQueries=true
Setup:
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Advanced zone, 2 Management Servers, 124 Pods [Each Pod having 2 Clusters]
248 Clusters [Each cluster having 8 hosts and one primary storage]
2000 Hosts
4000 User accounts [Each account having one network]
4000 User instances
~8000 Virtual Routers [Since we are using Redundant Virtual Router offering
Didn't notice any slow queries logged in DB.
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