source feeds
{
type = xmlpipe2
xmlpipe_command = /usr/bin/php /path/to/webroot/feeds/makeindex.php
xmlpipe_field = title
xmlpipe_field = description
xmlpipe_field = author
xmlpipe_attr_timestamp = pub_date
xmlpipe_attr_multi = category_id
}
source feeds-delta : feeds
{
}
index feed-items
{
source = feeds
path = /usr/local/sphinx/var/data/feed-items
charset_type = utf-8
}
index feed-items-delta : feed-items
{
source = feeds-delta
path = /usr/local/sphinx/var/data/feed-items-delta
}
indexer
{
mem_limit = 64M
}

$ /usr/local/sphinx/bin/indexer c /usr/local/sphinx/etc/feeds.conf feed-items-delta

$ /usr/local/sphinx/bin/indexer c /usr/local/sphinx/etc/feeds.conf --merge feed-items feed-items-delta