tmoore wrote: > I'm a little tired. I just indicated autocommit false, that was > incorrect. Autocommit is true. I would double-check that. As I said, what you showed us indicates that something logging in through TCP on localhost is using transactions, and not committing them when needed. > Three threads of executions, java writer, java reader, and psql via > cron for truncation. As an experiment, the java reader was disabled > and the test did not block. TRUNCATE will block or be blocked by just about anything, read or write. A reading transaction won't release the conflicting lock until the transaction ends. -Kevin
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