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https://issues.apache.org/jira/browse/HBASE-29573?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Charles Connell resolved HBASE-29573.
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Fix Version/s: 2.7.0
3.0.0-beta-2
2.6.4
Resolution: Fixed
> Fully load QuotaCache instead of reading individual rows on demand
> ------------------------------------------------------------------
>
> Key: HBASE-29573
> URL: https://issues.apache.org/jira/browse/HBASE-29573
> Project: HBase
> Issue Type: Improvement
> Reporter: Charles Connell
> Assignee: Charles Connell
> Priority: Minor
> Labels: pull-request-available
> Fix For: 2.7.0, 3.0.0-beta-2, 2.6.4
>
>
> I've found that HBASE-29479 will, in practice, increase load on the quota
> table quite a bit. While it achieved its goal of quota correctness, this
> increase in load is an unacceptable downside.
> In response, I'd like to find a way for QuotaCache to always serve correct
> quotas, and also keep load on the quota table low. There is a simple way to
> do this, which is to simply scan the entire table into memory at startup,
> again when quotas change, plus every refresh interval. This also simplifies
> the QuotaCache.
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