Brian Fu created HBASE-8104:
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Summary: HBase consistency and availability after replication
Key: HBASE-8104
URL: https://issues.apache.org/jira/browse/HBASE-8104
Project: HBase
Issue Type: New Feature
Affects Versions: 0.94.3
Reporter: Brian Fu
Priority: Critical
HBase consistency and availability after replication
Scene as follows:
1. There are two HBase clusters are the Master clusters and Slave Clusters.
two clusters replication function is open.
2. if master cluster have problems, so all write and read request switching to
the slave cluster.
3. After a period of time ,we need to switch back to the Master cluster, there
will be a part of the data is inconsistent, lead to this part of the data is
not available.
This feature is particularly important for providing online services HBase
cluster.
So, I want through a write-back program to keep the data consistency, then to
improve HBase availability.
we will provide a patch for this function.
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