[HACKERS] [sqlsmith] stuck spinlock in pg_stat_get_wal_receiver after OOM

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От Andreas Seltenreich
Тема [HACKERS] [sqlsmith] stuck spinlock in pg_stat_get_wal_receiver after OOM
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Msg-id 87h8vhtgj2.fsf@ansel.ydns.eu
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Ответы Re: [HACKERS] [sqlsmith] stuck spinlock in pg_stat_get_wal_receiverafter OOM  (Thomas Munro <thomas.munro@enterprisedb.com>)
Re: [HACKERS] [sqlsmith] stuck spinlock in pg_stat_get_wal_receiverafter OOM  (Andres Freund <andres@anarazel.de>)
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Hi,

low-memory testing with REL_10_STABLE at 1f19550a87 produced the
following PANIC:
   stuck spinlock detected at pg_stat_get_wal_receiver, walreceiver.c:1397

I was about to wrap the pstrdup()s with a PG_TRY block, but I can't find
a spinlock being released in a PG_CATCH block anywhere, so maybe that's
a bad idea?

regards,
Andreas


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