Hello.
On Tue, Feb 18, 2020 at 1:20 PM Michael Paquier wrote:
>
> On Mon, Feb 17, 2020 at 11:04:47AM +0900, Moon, Insung wrote:
> > The compression-related strategy is applied only when compressed.
> > Decompression does not use strategy, so the old compressed data is not
> > affected by the new
On Mon, Feb 17, 2020 at 11:04:47AM +0900, Moon, Insung wrote:
> The compression-related strategy is applied only when compressed.
> Decompression does not use strategy, so the old compressed data is not
> affected by the new patch.
This may be a difficult question, but do you have examples of
Dear Hackers.
For the current PostgreSQL, the toast data and some WAL data (page
data) are compressed using the LZ-based algorithm.
For PostgreSQL, two types of strategy(PGLZ_strategy_default,
PGLZ_strategy_always) are provided by default,
and only used of PGLZ_strategy_default(default values) on