Charles Connell created HBASE-29573:
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Summary: 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
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.
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