The WhileMatchFilter doesn't delegate the call to filterRow()
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Key: HBASE-2258
URL: https://issues.apache.org/jira/browse/HBASE-2258
Project: Hadoop HBase
Issue Type: Bug
Components: filters
Affects Versions: 0.20.3
Reporter: Dan Washusen
Fix For: 0.20.4
While testing the recent MemStoreScanner slowness I noticed that each scan in
the randomSeekScan test takes about 19 seconds to complete. The scan in
question provides a startRow and a WhileMatchFilter containing a PageFilter
that asks for 120 rows. I would have expected this scan to return in roughly
the same amount of time as a scan that specifies a startRow and stopRow that
spans a similar number of rows.
As it turns out this is an issue with the WhileMatchFilter. The
WhileMatchFilter is not delegating the call the filterRow() down the the
PageFilter. As a result the PageFilter never increments the rowsAccepted
counter.
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