| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | "Qingqing Zhou" <zhouqq(at)cs(dot)toronto(dot)edu> |
| Cc: | pgsql-general(at)postgresql(dot)org |
| Subject: | Re: PANIC: heap_update_redo: no block |
| Date: | 2006-03-27 16:45:04 |
| Message-ID: | 15168.1143477904@sss.pgh.pa.us |
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| Lists: | pgsql-general pgsql-hackers |
"Qingqing Zhou" <zhouqq(at)cs(dot)toronto(dot)edu> writes:
> Actually I tried to simulate your situation, but everytime I got a neat
> recovery --
You probably filled the test table and then vacuumed within a single
checkpoint cycle, so that the replay sequence included loading data into
page 1 in the first place. The risk case is fill table, checkpoint,
vacuum, crash; because then the replay starts from the checkpoint and
won't re-create page 1.
regards, tom lane
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