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https://issues.apache.org/jira/browse/CLOUDSTACK-4158?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13736663#comment-13736663
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Koushik Das commented on CLOUDSTACK-4158:
-----------------------------------------
Sowmya,
Do we have logs from 4.1 list API perf runs? In that case we can see if the sql
query is taking more time or response genaration is taking more time or both.
> [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
> Assignee: Koushik Das
> 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:
> =======================
> 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:
> =====
> 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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