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https://issues.apache.org/jira/browse/SCB-1742?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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humingcheng updated SCB-1742:
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Description:
Optimize the second level cache of instance, in package server.service.cache.
Schenario
We only use the cache and not call the backend directly when using Aggregatory
adaptor, as Aggregator does not guarantee accuracy when querying the backend.
For etcd adaptor, if the backend is unavailable, the cache content is returned
instead of a backend error.
was:
We only use the cache and not call the backend directly when using Aggregator
for service discovery, as Aggregator does not guarantee accuracy when querying
the backend.
For etcd, If the backend is unavailable, the cache content is returned instead
of a backend error.
> Optimize Aggregator and etcd's service discovery cache mechanism
> ----------------------------------------------------------------
>
> Key: SCB-1742
> URL: https://issues.apache.org/jira/browse/SCB-1742
> Project: Apache ServiceComb
> Issue Type: Improvement
> Components: Service-Center
> Reporter: humingcheng
> Assignee: humingcheng
> Priority: Minor
> Time Spent: 10m
> Remaining Estimate: 0h
>
> Optimize the second level cache of instance, in package server.service.cache.
> Schenario
> We only use the cache and not call the backend directly when using
> Aggregatory adaptor, as Aggregator does not guarantee accuracy when querying
> the backend.
> For etcd adaptor, if the backend is unavailable, the cache content is
> returned instead of a backend error.
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