HBase hbck—checking the consistency of an HBase cluster
HBase provides the hbck command to check for various inconsistencies. The name hbck comes from the HDFS fsck command, which is the tool to check HDFS for inconsistencies. The following is a very easy-to-understand description from the source of hbck:
Check consistency among the in-memory states of the master and the region server(s) and the state of data in HDFS.
HBase hbck not only has the facility to check inconsistencies, but also the functionality to fix an inconsistency.
In production, we recommend you run hbck frequently so that inconsistencies can be found earlier and fixed easily.
In this recipe, we will describe how to use hbck to check inconsistencies. We will also make some inconsistencies ...
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