Yi Mei created HBASE-21783:
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Summary: Support allow exceed user/table/ns rpc throttle quota if
region server has available quota
Key: HBASE-21783
URL: https://issues.apache.org/jira/browse/HBASE-21783
Project: HBase
Issue Type: Sub-task
Reporter: Yi Mei
Currently, all types of rpc throttle quota (include region server, namespace,
table and user quota) are hard limit, which means once requests exceed the
amount, they will be throttled.
In some situation, user use out of all their own quotas but region server still
has available quota because other users don't consume at the same time, in this
case, we can allow user consume additional quota. So add a configuration named
ALLOW_EXCEED to meet this requirement when set region server quota.
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