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Guanghao Zhang updated HBASE-16594: ----------------------------------- Fix Version/s: (was: 2.2.0) 2.3.0 > ROW_INDEX_V2 DBE > ---------------- > > Key: HBASE-16594 > URL: https://issues.apache.org/jira/browse/HBASE-16594 > Project: HBase > Issue Type: Improvement > Components: Performance > Reporter: binlijin > Assignee: binlijin > Priority: Major > Fix For: 3.0.0, 2.3.0, 1.5.1 > > Attachments: HBASE-16594-master_v1.patch, HBASE-16594-master_v2.patch > > > See HBASE-16213, ROW_INDEX_V1 DataBlockEncoding. > ROW_INDEX_V1 is the first version which have no storage optimization, > ROW_INDEX_V2 do storage optimization: store every row only once, store column > family only once in a HFileBlock. > ROW_INDEX_V1 is : > /** > * Store cells following every row's start offset, so we can binary search to > a row's cells. > * > * Format: > * flat cells > * integer: number of rows > * integer: row0's offset > * integer: row1's offset > * .... > * integer: dataSize > * > */ > ROW_INDEX_V2 is : > * row1 qualifier timestamp type value tag > * qualifier timestamp type value tag > * qualifier timestamp type value tag > * row2 qualifier timestamp type value tag > * row3 qualifier timestamp type value tag > * qualifier timestamp type value tag > * .... > * integer: number of rows > * integer: row0's offset > * integer: row1's offset > * .... > * column family > * integer: dataSize -- This message was sent by Atlassian JIRA (v7.6.3#76005)