saintstack commented on a change in pull request #40: HBASE-23112
[hbase-operator-tools] fixMeta in hbck2 is porcelain, in …
URL:
https://github.com/apache/hbase-operator-tools/pull/40#discussion_r332349970
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File path: hbase-hbck2/README.md
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@@ -159,7 +160,9 @@ Command:
fixMeta
Do a server-side fixing of bad or inconsistent state in hbase:meta.
- Repairs 'holes' and 'overlaps' in hbase:meta.
+ Critical that hbase:meta is first made healthy before making any
+ other repairs. Fix 'holes', 'overlaps', etc. Is NOT same as the
+ _hbck1_ command named similarily.
SEE ALSO: reportMissingRegionsInMeta
Review comment:
You are right in that it creates an empty region to match the hole or
overlap found in hbase:meta.
What it does not do is look around in hdfs to try and match hdfs content w/
the hole that is being plugged or moving data around in hdfs to fill the
overlap.
I think talking of HDFS side-effects when describing fixMeta will give the
wrong impression, that we will be doing reconcile w/ HDFS content which we are
explicitly not doing in this command.
Not sure how better to say this boss.
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