Bryant Khau created HBASE-13034:
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Summary: Importing rows with bulkupload can overload single
regionservers
Key: HBASE-13034
URL: https://issues.apache.org/jira/browse/HBASE-13034
Project: HBase
Issue Type: Improvement
Components: hbase, mapreduce, regionserver
Affects Versions: 0.98.0
Reporter: Bryant Khau
Priority: Minor
Exporting a table with a common schema, like hashes as the key, will result in
a sorted exported file. When imported with
org.apache.hadoop.hbase.mapreduce.Import, region servers can be overloaded one
by one by requests by the MapReduce job, since the rows are imported in
sequential order, and a regions span ranges in sequential order. This is more
likely to happen with lots of data and not a lot of regions.
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