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Heikki Linnakangas
2021-09-09 22:46:58 +03:00
committed by lubennikovaav
parent 3dea06b825
commit 59e7ca585d
2 changed files with 13 additions and 6 deletions
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docs/glossary.md
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@@ -127,12 +127,16 @@ How much history do we need to keep around for PITR and read-only nodes?
NOTE: This is an overloaded term.
A physical file which stores data for a given relation. File segments are limited in size by a configuration value (typically 1 gigabyte), so if a relation exceeds that size, it is split into multiple segments.
A physical file that stores data for a given relation. File segments are
limited in size by a compile-time setting (1 gigabyte by default), so if a
relation exceeds that size, it is split into multiple segments.
### Segment (Layered Repository)
NOTE: This is an overloaded term.
Segment is a RELISH_SEG_SIZE slice of relish (defined by a SegmentTag).
Segment is a RELISH_SEG_SIZE slice of relish (identified by a SegmentTag).
### SLRU
SLRUs include pg_clog, pg_multixact/members, and