RegexpRowFilter behaves incorectly when there are multiple store files
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Key: HBASE-476
URL: https://issues.apache.org/jira/browse/HBASE-476
Project: Hadoop HBase
Issue Type: Bug
Components: filters
Reporter: Clint Morgan
I noticed that after running some table Map/Reduces, then using a
RegExpRowFilter to scan through the table, the scanner misses
rows when its columns are in different stores.
This (rather convoluted) unit test provokes the behavior.
- Set memcache flush size small to trigger multiple stores
- put in 10 row with 2 columns. Each row has the same value for col1 (which the
RowFilter wants to match)
- Scan with and without the filter to be sure that we get all the rows with each
- Run an identity table M/R 10 times to fill up the memcache and trigger flush.
- Scan again. This time the filter does not pickup anything.
Attaching the log from this run as well.
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