Daniel Roudnitsky created HBASE-29672:
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Summary: Handle comparison failures during filtering gracefully
Key: HBASE-29672
URL: https://issues.apache.org/jira/browse/HBASE-29672
Project: HBase
Issue Type: Improvement
Components: Filters
Reporter: Daniel Roudnitsky
Assignee: Daniel Roudnitsky
There is a large class of filters:
{code:java}
RowFilter
ValueFilter
QualifierFilter
FamilyFilter
DependentColumnFilter
ColumnValueFilter
SingleColumnValueFilter
SingleColumnValueExcludeFilter
{code}
Which take a ByteArrayComparable comparator as an argument (e.g
BinaryComparator, RegexStringComparator, BinaryComponentComparator) and apply
the given comparator at query runtime on the server. Due to filter
misconfiguration/data shape/comparator bugs, a comparator may throw a runtime
exception which filters are not currently handling which results in scan RPCs
failing with a mysterious remote exception with a long server stack trace, with
the client continuing to retry the failed RPC excessively until exhausting all
retries (see HBASE-29654 for example).
We should handle comparison runtime exceptions as non retryable , and propagate
a clear exception message to the client.
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