クロール済み情報が管理されているのは ingeststatus

$ psql -U postgres dbname

dbname=# \d ingeststatus;
 forcedparams      | text                  |
 authorityname     | character varying(32) |
 urihash           | character varying(40) |
 lastoutputversion | text                  |
 lastingest        | bigint                | not null
 changecount       | bigint                | not null
 connectionname    | character varying(32) | not null
 dockey            | character varying(73) | not null
 lastversion       | text                  |
 firstingest       | bigint                | not null
 id                | bigint                | not null
 docuri            | text                  |

dbname=# select * from ingeststatus;
dbname=# truncate table  ingeststatus;