Is there a way to eliminate postmaster crash/core ?
A surge in short-term connections eventually crashes PG on "no free slots in PMChildFlags array".
Happens on AIX 7.2
=>grep "2020-05-02 08:16" * | grep clients | wc -l
0
=>grep "2020-05-02 08:17" * | grep clients | wc -l
0
=>grep "2020-05-02 08:18" * | grep clients | wc -l
309
=>grep "2020-05-02 08:19" * | grep clients | wc -l
603
=>grep "2020-05-02 08:20" * | grep clients | wc -l
288
=>grep "2020-05-02 08:21" * | grep clients | wc -l
230
2020-05-02 08:21:27.653 CDTFATAL: no free slots in PMChildFlags array