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From "Ram Ganesh (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (CLOUDSTACK-3366) Autoscaling won't scale down
Date Wed, 24 Jul 2013 08:43:49 GMT

     [ https://issues.apache.org/jira/browse/CLOUDSTACK-3366?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Ram Ganesh updated CLOUDSTACK-3366:
-----------------------------------

    Fix Version/s: 4.2.0
    
> Autoscaling won't scale down
> ----------------------------
>
>                 Key: CLOUDSTACK-3366
>                 URL: https://issues.apache.org/jira/browse/CLOUDSTACK-3366
>             Project: CloudStack
>          Issue Type: Bug
>      Security Level: Public(Anyone can view this level - this is the default.) 
>          Components: Management Server
>    Affects Versions: 4.1.0
>            Reporter: Francois Gaudreault
>            Assignee: Rajesh Battala
>            Priority: Critical
>             Fix For: 4.2.0
>
>
> When configuring Autoscaling, the autoscale will go UP, but not DOWN when traffic is
back under thresholds.
> NetScaler seems to be triggering the SCALE_DOWN, but nothing happens on the CS side.
> Netscaler did:
> Autoscale: Evaluating autoscale policy Cloud-AutoScale-Policy-xxxxx-80-12Autoscale: Triggering
autoscale action: SCALE_DOWN for policy: Cloud-AutoScale-ScaleDownAction-xxxxx-80Autoscale:
:::925###POST /provision HTTP/1.1
> Host: NS
> Content-Length: 866
> { "autoscale" : { "ns" : { "sysid" : "98310000cb254307ee78" }, "vserver" : { "name" :
"Cloud-VirtualServer-xxxxx-80", "servicegroupname" : "Cloudf84eaf4ed3fe43aebbc4d2ff9f7311bc"
}, "cloudprofile" : { "type" : "CLOUDSTACK", "url" : "http://172.30.100.15:8080/client/api",
"apiKey" : "x2134OIL1TKNyW6PahIq4NubxMn1tK3krpQFyDWks8fv_[...]", "sharedsecret" : "HtpqjvHENGMqZLBcn_o-_[...]"
}, "action" : { "type" : "SCALE_DOWN", "params" : "command=destroyVirtualMachine&lbruleid=24aab38f-f466-45c5-9878-484841ba1b9d",
"quiettime" : "300", "destroyVMGracePeriod" : "30" }, "autoprovisiondns" : { "nsdomainname"
: "autoscale-internal_server_Cloudf84eaf4ed3fe43aebbc4d2ff9f7311bc", "nsservername" : "autoscale-internal_server_Cloudf84eaf4ed3fe43aebbc4d2ff9f7311bc"
} } }:::
> current time is Tue Jul  2 21:09:09 2013
> Autoscale: Timer Event: Cloud-AutoScale-Timer-xxxxx-80
> Returning avg_val: 67
> If I look in CloudStack, I do see the deployVirtualMachine calls coming from the NetScaler
during the scale up, but I don't see any destroyVirtualMachine hitting the server for the
scale down.

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