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Add information of total data processed to replication slot stats.

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This adds the statistics about total transactions count and total
transaction data logically sent to the decoding output plugin from
ReorderBuffer. Users can query the pg_stat_replication_slots view to check
these stats.

Suggested-by: Andres Freund
Author: Vignesh C and Amit Kapila
Reviewed-by: Sawada Masahiko, Amit Kapila
Discussion: https://postgr.es/m/20210319185247.ldebgpdaxsowiflw@alap3.anarazel.de
This commit is contained in:
Amit Kapila
2021-04-16 07:34:43 +05:30
parent 1bf946bd43
commit f5fc2f5b23
15 changed files with 256 additions and 52 deletions
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contrib/test_decoding/Makefile
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@ -17,6 +17,8 @@ ISOLATION_OPTS = --temp-config $(top_srcdir)/contrib/test_decoding/logical.conf
# typical installcheck users do not have (e.g. buildfarm clients).
NO_INSTALLCHECK = 1
TAP_TESTS = 1
ifdef USE_PGXS
PG_CONFIG = pg_config
PGXS := $(shell $(PG_CONFIG) --pgxs)