Missing archive entry

I did a search for pgbench and Google found the article I was looking
for:


http://groups-beta.google.com/group/pgsql.performance/browse_frm/thread/eafbb7cc58a4afcc/aafb8805c8d13232?q=postgresql+pgbench+lane&_done=%2Fgroups%3Fq%3Dpostgresql+pgbench+lane%26start%3D0%26scoring%3Dd%26hl%3Den%26num%3D30%26c2coff%3D1%26&_doneTitle=Back+to+Search&&d#aafb8805c8d13232

but our own archives search did not:

    http://search.postgresql.org/archives.search?cs=utf-8&fm=on&st=20&dt=back&q=pg_bench+&ul=&dp=0&o=0&ps=10&s=date

I did a search for 'pgbench'.  Do we not archive entries from December
20?

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