Using Apache HBase to store and access data
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Quota enforcement

When a quota limit is exceeded, the Master server instructs RegionServers to enable an enforcement policy for the namespace or table that violated the quota.

It is important to note the storage quota is not reported in real-time. There is a window when threshold is reached on RegionServers but the threshold accounted for on the Master server is not updated.

Note
Note

Set a storage limit lower than the amount of available disk space to provide extra buffer.