Hello and greetings,
I need help in understanding the purpose of the following columns produced by PG stats collector in version 9.1
From pg_stat_database
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blks_read,
blks_hit,
_tup_returned,
tup_fetched
Reported In pg_stat_user_tables
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idx_tup_fetch,
n_tup_hot_upd,
n_live_tup,
n_dead_tup
thank you,
arvind
