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https://issues.apache.org/jira/browse/CLOUDSTACK-4328?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13740900#comment-13740900
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Daan Hoogland commented on CLOUDSTACK-4328:
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The idea is to make it an optional argument on createNetworkOffering and
updateNetworkOffering as in the reffered commit.
first take will be to just add it in the api. adding it on the ui will be
secondary.
> Make "mode http" & "option httpclose" in HAproxy.conf configurable on port 80
> -----------------------------------------------------------------------------
>
> Key: CLOUDSTACK-4328
> URL: https://issues.apache.org/jira/browse/CLOUDSTACK-4328
> Project: CloudStack
> Issue Type: Improvement
> Security Level: Public(Anyone can view this level - this is the
> default.)
> Components: Virtual Router
> Affects Versions: 4.2.0
> Reporter: Roeland Kuipers
> Assignee: Daan Hoogland
>
> By default CS configures "mode http" & "option http" when it detects a rule
> on public port 80.
> In most situations this is perfectly OK, but we hit a specific situation
> where this has negative impact on performance. In this case a Varnish
> implementation which needs to run on port 80 and cannot run on an alternative
> port. We could imagine this could be an issue for other CS users too.
> Besides this also the maxconnections needs to be raised but this has already
> been address by CS-2997, which is also the inspiration to make the "http
> mode" configurable.
> Details on the performance difference below.
> So we like to see this "http mode"on port 80 configurable. e.g. httpmode
> false-true on the API
> See also CS-2997 and the following commits:
> dd33abffbe3b7c5b615e8f64b1824a720329dd0d [dd33abf]
> 954e1978130b3cfb0c73f2f1506d94440f478f01 [954e197]
> Performance testing details:
> with ‘mode http en option httpclose’ on de load-balancing rule:
> 9:34 root@w6 /home/erwin/src/wrk > ./wrk -c 1000 -t 20 -d 20
> http://xxxxx/imgbase0/imagebase/thumb/FC/2/7/0/8/1004004013338072.jpg
> Running 20s test @
> http://xxxxx/imgbase0/imagebase/thumb/FC/2/7/0/8/1004004013338072.jpg
> 20 threads and 1000 connections
> Thread Stats Avg Stdev Max +/- Stdev
> Latency 6.21s 6.30s 15.87s 82.30%
> Req/Sec 43.61 37.81 371.00 78.61%
> 16452 requests in 20.01s, 146.60MB read
> Socket errors: connect 0, read 8, write 309, timeout 4753
> Requests/sec: 822.03
> Transfer/sec: 7.33MB
> - without:
> 9:33 root@w6 /home/erwin/src/wrk > ./wrk -c 1000 -t 20 -d 20
> http://xxxxx/imgbase0/imagebase/thumb/FC/2/7/0/8/1004004013338072.jpg
> Running 20s test @
> http://xxxxx/imgbase0/imagebase/thumb/FC/2/7/0/8/1004004013338072.jpg
> 20 threads and 1000 connections
> Thread Stats Avg Stdev Max +/- Stdev
> Latency 240.62ms 1.28s 12.19s 97.80%
> Req/Sec 545.98 181.96 1.46k 74.70%
> 222229 requests in 20.00s, 1.92GB read
> Socket errors: connect 0, read 53, write 43, timeout 791
> Requests/sec: 11109.45
> Transfer/sec: 98.09MB
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