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> * Allow control over which tables are WAL-logged
>
> Allow tables to bypass WAL writes and just fsync() dirty pages on
> commit. To do this, only a single writer can modify the table, and
> writes must happen only on new pages. Readers can continue accessing
> the table. Another option is to avoid transaction logging entirely
> and truncate or drop the table on crash recovery. These should be
> implemented using ALTER TABLE, e.g. ALTER TABLE PERSISTENCE [ DROP |
> TRUNCATE | STABLE | DEFAULT ]. [wallog]