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Re: PANIC: heap_update_redo: no block

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""Alex bahdushka"" <bahdushka@xxxxxxxxx> wrote
>
> (@)<2006-03-25 20:54:17.528 MST>[26571]LOG:  REDO @ D/19176610; LSN
> D/19176644: prev D/191765E8; xid 81148979: Heap - clean: rel
> 1663/16386/16559898; b
> (@)<2006-03-25 20:54:17.528 MST>[26571]LOG:  REDO @ D/19176644; LSN
> D/191766A4: prev D/19176610; xid 81148979: Heap - move: rel
> 1663/16386/16559898; ti
> (@)<2006-03-25 20:54:17.528 MST>[26571]PANIC:  heap_update_redo: no
> block: target blcknum: 1, relation(1663/16386/16559898) length: 1
> (@)<2006-03-25 20:54:17.529 MST>[26570]LOG:  startup process (PID
> 26571) was terminated by signal 6
>

It is like the problem due to the confliction of vacuum & update. The update
is on the page that vacuum was just removed.

Before we try to understand/attack the bug exactly, first I'd like to see
the complete xlog output. Your xlog output is imcomplete -- for example, the
first line after "b" should be "lk %u", the second line after "ti" should be
"d %u%u".  Can you check out why the output looks like that? If you want to
examine the source code, look at heapam.c/heap_desc().

Regards,
Qingqing





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