"Christopher Kings-Lynne" <[EMAIL PROTECTED]> writes:
> I just saw this in my logs:
> 2002-09-18 12:13:10 ERROR: cannot open segment 1 of relation users_sessions
> (target block 1342198864): No such file or directory
> This query caused it:
> DELETE FROM users_sessions WHERE changed < ('now'::timestamp - '1440
> minutes'::interval) AND name = 'fhnid';
What does EXPLAIN show as the plan for that query? I'm guessing an
indexscan, and that the error was caused by reading a broken item
pointer from the index. (1342198864 = hex 50005450, which sure looks
like the upper 5 shouldn't be there ... how big is the table, anyway?)
> However, I cannot repeat the error now. Is this a bug in postgres
> somewhere.
If the broken item pointer were indeed in the index, I'd expect it to be
100% repeatable. I'm wondering about flaky memory or some such. Have
you run any hardware diagnostics?
regards, tom lane
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