FreeBSD /var/log/pgsql/pgroonga.log 2018-06-13 13:57:08.446030|w|92306: [DB Locked] time out(900000): io(base/[database oid]/pgrn) collisions(900000/90) 2018-06-13 13:57:08.446253|e|92306: grn_io_lock failed 2018-06-13 13:57:08.453398|e|92…