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https://issues.apache.org/jira/browse/TS-1270?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13284472#comment-13284472
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Zhao Yongming commented on TS-1270:
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kuotai will submit one patch for the first implement, what we are tring:
1, make cluster_cache_local an global option in records.config, which is
disabled by default
2, change all interface to CacheProcessor::* to aware of cluster_cache_local if
needed
3, add cluster-cache-local directive to CacheControl, in cache.config
4, make other tools aware of the changes, ie http_ui
things may need to review:
1, do we really need to change all those CacheProcessor::* functions?
2, how could we find an better way to do the CacheControl? control urls follow
or not follow the cluster way?
3, tools like http_ui do not even use the CacheProcessor interface, and does
not do cache control at all, is there any good way to tidy up all things and
make a clear interface?
this maybe another ugly hack for cluster, we want to do more control on how to
use the cluster hashing. we may need your ideas on this target.
thanks for you review, kuotai will attach the patch later.
> why can't we force local cache in clustering mode?
> --------------------------------------------------
>
> Key: TS-1270
> URL: https://issues.apache.org/jira/browse/TS-1270
> Project: Traffic Server
> Issue Type: New Feature
> Components: Clustering
> Affects Versions: 3.1.4
> Environment: cluster type 1
> Reporter: Zhao Yongming
> Assignee: kuotai
> Fix For: 3.3.0
>
>
> in cluster type 1, all content will be hashed in side cluster, you can not
> cache some very hot content locally, we definitely need a more short way to
> avoid the latency & bandwidth or some very hot content may destroy the whole
> cluster.
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