"Qingqing Zhou" <zhouqq@xxxxxxxxxxxxxx> writes: > Can you patch the heap/heapam.c/heap_xlog_update() like this: > - elog(PANIC, "heap_update_redo: no block"); > + elog(PANIC, "heap_update_redo: no block: target block: %u, relation > length: %u", > + ItemPointerGetBlockNumber(&(xlrec->target.tid)), > + RelationGetNumberOfBlocks(reln)); > And restart your database to see what's the output? While at it, you should extend the error message to include the relation ID, so you have some idea which table is affected ... this is certainly not a very informative message ... regards, tom lane