public void setIncrTimestampMap(Map<TableName, Map<String, Long>> prevTableSetTimestampMap) {
    this.incrTimestampMap = prevTableSetTimestampMap;
  }
Set the new region server log timestamps after distributed log roll
@param prevTableSetTimestampMap table timestamp map
hbase-backup/src/main/java/org/apache/hadoop/hbase/backup/BackupInfo.java