Guangxu Cheng created HBASE-19432:
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Summary: Roll the specified writer in HFileOutputFormat2
Key: HBASE-19432
URL: https://issues.apache.org/jira/browse/HBASE-19432
Project: HBase
Issue Type: Improvement
Affects Versions: 3.0.0, 2.0.0-beta-1
Reporter: Guangxu Cheng
Assignee: Guangxu Cheng
{code}
// If any of the HFiles for the column families has reached
// maxsize, we need to roll all the writers
if (wl != null && wl.written + length >= maxsize) {
this.rollRequested = true;
}
{code}
If we always roll all the writers, a large number of small files will be
generated in the multi family or multi table scene.
So we should only roll the specified writer which HFile has reached maxsize.
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