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Make min_wal_size/max_wal_size use MB internally

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Previously they were defined using multiples of XLogSegSize.
Remove GUC_UNIT_XSEGS. Introduce GUC_UNIT_MB

Extracted from patch series on XLogSegSize infrastructure.

Beena Emerson
This commit is contained in:
Simon Riggs
2017-04-04 18:00:01 -04:00
parent cd740c0dbf
commit 9a3215026b
4 changed files with 30 additions and 28 deletions
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4
src/include/access/xlog.h
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@@ -94,8 +94,8 @@ extern PGDLLIMPORT XLogRecPtr XactLastCommitEnd;
extern bool reachedConsistency;
/* these variables are GUC parameters related to XLOG */
extern int min_wal_size;
extern int max_wal_size;
extern int min_wal_size_mb;
extern int max_wal_size_mb;
extern int wal_keep_segments;
extern int XLOGbuffers;
extern int XLogArchiveTimeout;