[Dovecot] out of memory error

[Pavel Volkovitskiy]

Hello

I have this errors in my dovecot.log every day or two:
=============================================
...
dovecot: Jan 24 10:28:56 Error: auth-worker(default): Out of memory 
(Needed 8164 bytes)
dovecot: Jan 24 10:29:01 Error: auth-worker(default): Out of memory 
(Needed 8164 bytes)
dovecot: Jan 24 10:29:03 Error: auth-worker(default): Out of memory 
(Needed 8164 bytes)
dovecot: Jan 24 10:29:03 Error: auth-worker(default): Out of memory 
(Needed 8164 bytes)
dovecot: Jan 24 10:29:03 Error: auth-worker(default): Out of memory 
(Needed 8164 bytes)
dovecot: Jan 24 10:29:41 Error: auth-worker(default): Out of memory 
(Needed 8164 bytes)
dovecot: Jan 24 10:29:56 Error: auth-worker(default): Out of memory 
(Needed 8164 bytes)
dovecot: Jan 24 10:30:36 Error: auth-worker(default): Out of memory 
(Needed 8164 bytes)
dovecot: Jan 24 10:30:38 Error: auth-worker(default): Out of memory 
(Needed 8164 bytes)
dovecot: Jan 24 10:30:39 Error: auth-worker(default): Out of memory 
(Needed 52 bytes)
dovecot: Jan 24 10:30:41 Error: auth-worker(default): 
pool_system_malloc(): Out of memory
dovecot: Jan 24 10:30:41 Error: child 3576 (auth-worker) returned error 
83 (Out of memory)
=============================================

I use dovecot 1.0-beta1
login_process_size = 128
login_process_per_connection = no
login_processes_count = 5
login_max_processes_count = 128
login_max_logging_users = 256

-- 
Pavel