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Vladimir Rodionov commented on HBASE-9769: ------------------------------------------ *Only with a coprocessor would it be possible to exercise checkVersion and avoid the network IO.* This is exactly what I am interested in - optimizing scan operation in coprocessors (think - Phoenix). I will try your patch when I have a time this week. > Improve performance of a Scanner with explicit column list when rows are > small/medium size > ------------------------------------------------------------------------------------------ > > Key: HBASE-9769 > URL: https://issues.apache.org/jira/browse/HBASE-9769 > Project: HBase > Issue Type: Improvement > Components: Scanners > Affects Versions: 0.98.0, 0.94.12, 0.96.0 > Reporter: Vladimir Rodionov > Assignee: Vladimir Rodionov > Attachments: 9769-0.94-sample1.txt, 9769-0.94-sample2.txt, > 9769-0.94-sample.txt, 9769-94.txt, 9769-94-v2.txt, 9769-trunk-v1.txt, > 9769-trunk-v2.txt, 9769-trunk-v3.txt, 9769-trunk-v4.txt > > -- This message was sent by Atlassian JIRA (v6.1#6144)