Compactions at (re)start on a very large table can overwhelm DFS
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Key: HBASE-1062
URL: https://issues.apache.org/jira/browse/HBASE-1062
Project: Hadoop HBase
Issue Type: Bug
Reporter: Andrew Purtell
Given a large table, > 1000 regions for example, if a cluster restart is
necessary, the compactions undertaken by the regionservers when the master
makes initial region assignments can overwhelm DFS, leading to file errors and
data loss. This condition is exacerbated if write load was heavy before restart
and so many regions want to split as soon as they are opened.
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