private void setTableSetTimestampMap(BackupProtos.BackupInfo.Builder builder) {
    if (this.getTableSetTimestampMap() != null) {
      for (Entry<TableName, Map<String, Long>> entry : this.getTableSetTimestampMap().entrySet()) {
        builder.putTableSetTimestamp(entry.getKey().getNameAsString(),
          BackupProtos.BackupInfo.RSTimestampMap.newBuilder().putAllRsTimestamp(entry.getValue())
            .build());
      }
    }
  }
Get new region server log timestamps after distributed log roll
@return new region server log timestamps
hbase-backup/src/main/java/org/apache/hadoop/hbase/backup/BackupInfo.java