pgsql: Explain unaccounted for space in pgstattuple.

From: Andrew Dunstan <andrew(at)dunslane(dot)net>
To: pgsql-committers(at)postgresql(dot)org
Subject: pgsql: Explain unaccounted for space in pgstattuple.
Date: 2016-12-27 16:30:28
Message-ID: E1cLudw-0000jx-1J@gemulon.postgresql.org
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Explain unaccounted for space in pgstattuple.

In addition to space accounted for by tuple_len, dead_tuple_len and
free_space, the table_len includes page overhead, the item pointers
table and padding bytes.

Backpatch to live branches.

Branch
------
REL9_6_STABLE

Details
-------
http://git.postgresql.org/pg/commitdiff/e9cf6e685beacdf24f6873d597a5c78ff9beb679

Modified Files
--------------
doc/src/sgml/pgstattuple.sgml | 10 ++++++++++
1 file changed, 10 insertions(+)

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