Hi all,
I'm running postgresql 7.2.1(linux kernel 2.4.20).
RAID5 4 x 20G, 2G RAM, two Xeon.
/proc/sysctl.conf
kernel.shmall = 67108864
kernel.shmmax = 67108864
/opt/pgsql/data/postgresql.conf
shared_buffers = 4096
max_lock_per_transaction = 128
effective_cach_size = 40000
From time to time I receive the message:
"LWLockAcquire - can't wait without a proc structure.
NOTICE: Message from PostgreSQL backend:
The Postmaster has informed me that some other backend
died abnormally and possibly corrupted shared memory.
I have rolled back the current transaction and am
going to terminate your database system connection and exit.
Please reconnect to the database system and repeat your query.".
What can be the reasons of these?
Thanks in advance.
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