I assume you get segfault of pgpool. Can you take a coredump and backtrace? That will be very helpfull to inspect your problem. -- Tatsuo Ishii SRA OSS, Inc. Japan > Hello, > > I have a script which is written in PHP (5.2.8) + PDO (1.0.3). It's stable, > but actual version of PGSQL driver for PDO don't allow persistent > connections. > > So we decided to use PGPOOL-II-2.2.5. It's configured to work in connection > pool mode with following settings: > > # number of pre-forked child process (I know it's many, but we test from 32 > till 256) > num_init_children = 256 > > # Number of connection pools allowed for a child process (tested from 2 till > 10) > max_pool = 2 > > # If idle for this many seconds, child exits. 0 means no timeout. > child_life_time = 300 > > # If idle for this many seconds, connection to PostgreSQL closes. > # 0 means no timeout. > connection_life_time = 30 > > # If child_max_connections connections were received, child exits. > # 0 means no exit. > child_max_connections = 0 > > # If client_idle_limit is n (n > 0), the client is forced to be > # disconnected whenever after n seconds idle (even inside an explicit > # transactions!) > # 0 means no disconnect. > client_idle_limit = 10 > > no replication or parallel query support enabled. > > When our script establish connection to PGPOOL, it can work well or can fail > with "Segmentation fault". Measurement shows that 40% of script executions > failed with "Segmentation fault" and always under heavy stress. > > Does anyone faced with such problem? > -- > View this message in context: http://www.nabble.com/PHP-%2B-PDO-%2B-PGPOOL-%3D-Segmentation-fault-tp26071405p26071405.html > Sent from the PostgreSQL - general mailing list archive at Nabble.com. -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general