On Thu, Sep 6, 2012 at 5:07 PM, Alvaro Herrera <alvhe...@2ndquadrant.com> wrote:
> How about secondary effects -- say pg_dump reads a lot of data into
> buffers that were previously dirty and those get evicted.  Could page
> eviction cause lots of WAL to be emitted?

No.  Simon's proposed checksum patch would have that effect, but currently no.

-- 
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company


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