I think the problem is psql actually contruct upsert sql to import csv data into hbase, so the regionserver ‘s indexer(org.apache.phoenix.hbase.index.Indexer) coprocessor will encode index data into WAL. just as this: http://www.slideshare.net/jesse_yates/phoenix-secondary-indexing-la-hug-sept-9th-2013
[cid:_Foxmail.0@0C85EA8C-B406-4672-B4C9-6A9E23C2BA40]
