Hi,
I found this document to be useful when I did migration from 1.x to 2.x --
https://github.com/apache/hbase/blob/master/src/main/asciidoc/_chapters/upgrading.adoc#34-upgrading-from-1x-to-2x
Obviously, you would want to validate all of your configurations or at
least the customisation's off
Hello,
I am working hard to upgrade the HBase cluster these days.
I want to get some advice about HBase configuration.
(My department plan is to make a new hbase cluster running version is 2.2 and
fade-out 1.2 hbase cluster.)
Now, I should compare the HBase configuration between 1.2 and 2.2.4.
It depends what you are measuring and how. I test every so often with YCSB,
which admittedly is not representative of real world workloads but is
widely used for apples to apples testing among datastores, and we can apply
the same test tool and test methodology to different versions to get
We're running HBase 1.4.8 on S3 (EMR 5.20) and we're seeing that after a
series of splits and a major compaction the split parents are not
getting removed. The on disk size of some of our tables is 6x what HBase
is reporting in the table details. The RS_COMPACTED_FILES_DISCHARGER
threads are
