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From Gunnar Tapper <>
Subject HBase Directories
Date Fri, 12 Feb 2016 06:17:34 GMT

I’m trying to understand the usage of the following HBase directories:

·         */hbase-staging*: Directory where staging files are written to
during bulk load. Bulk load bypasses the write-ahead log to enable faster
loading of data by landing data into HDFS files, which are then read into
HBase tables directly. Refer to for more information.

·         */bulkload: *I got nothing.

·         */lobs: *Obviously, related to large-object processing but how?

Also, these directory names are hard-coded in the installer. Are they
hardcoded elsewhere or could they; for example, be prefixed with
“trafodion-“ in a future release?

·         /trafodion-hbase-staging

·         /trafodion-bulkload

·         /trafodion-lobs

OOverall, I'd recommend that directories and other objects use a prefix to
reduce the likelihood of colliding with existing names.


*If you think you can you can, if you think you can't you're right.*

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