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https://issues.apache.org/jira/browse/TS-1222?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13274475#comment-13274475
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Zhao Yongming commented on TS-1222:
-----------------------------------
first patch that implement multi-tcp connections in cluster, that will give you
an options for balance the connections between ET_CLUSTER threads, that is more
cpus you can use, for cluster traffic, IE, you have 10 boxes and each box have
32+cores.
this patch had been testing for heavy cluster traffic in our testing bed, it
rocks.
the ongoing task we are working:
1, find out how to balance ET_NET & ET_CLUSTER:
1.1 should we keep each ET_CLUSTER(thread) one connection to every cluster
member?
1.2 why the highest & lowest IP in the cluster have so much diff in CPU
usage, IE, the ET_CLUSTER in highest IP do not use any CPU, is that a problem
involved in steal threading?
2, how to deal with pre-cluster content caching?
hopes we can resolve #1 task before V3.2
I need you review for this patch, as it will change the interface we do cluster
operations, IE, change from ClusterMachine to ClusterHandler, because now
ClusterHandler:ClusterMachine is now M:1. thanks
> single tcp connection will limit the cluster throughput
> -------------------------------------------------------
>
> Key: TS-1222
> URL: https://issues.apache.org/jira/browse/TS-1222
> Project: Traffic Server
> Issue Type: Improvement
> Components: Clustering
> Affects Versions: 3.1.3
> Reporter: Zhao Yongming
> Assignee: kuotai
> Fix For: 3.1.4
>
> Attachments: cluster.patch
>
>
> kuotai is trying to work around the single tcp performance issue in cluster
> throughput. hopes we can fix it before 3.2 is out, put it a target for v3.3
> for now.
> more detail, please take a look at the Clustering in projects on the cwiki.
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