Test case: create table test (data text unique); Outside of psql, run this command (This is for bash): while true ; do echo "begin work; insert into test (data) values ('This is a test string.'); commit work;" ; done | psql Watch the resident set size of the postmaster that the psql is connected to as the while loop pumps data into psql. As transactions are aborted, the RSS of the postmaster continues to grow. Looks like postmaster is leaking memory somewhere. Postgresql 7.0.3, compiled for Linux/glibc2 with gcc 2.95.2. -- Microsoft is not the answer. Boycott Microsoft Home page Microsoft is the question. http://www0.vcnet.com/bms No is the answer. Microsoft: Bringing you ten-year old technology, tomorrow, maybe. ---------------------------(end of broadcast)--------------------------- TIP 5: Have you checked our extensive FAQ? http://www.postgresql.org/users-lounge/docs/faq.html