Stefan Kaltenbrunner <[EMAIL PROTECTED]> writes:
> Tom Lane wrote:
>> The sorting code probably needs a defense to keep it from trying to
>> exceed MaxAllocSize for the SortObject array; AFAIR there is no such
>> consideration there now, but it's easily added. I'm not sure where your
>> VACUUM failure is coming from though --- can you get a back trace from
>> the errfinish call in that case?
> like(with maintenance_work_mem set to 2000000):
> (gdb) bt
> #0 errfinish (dummy=0) at elog.c:310
> #1 0x00000000005c6c93 in elog_finish (elevel=-4145840, fmt=0x84da50
> "invalid memory alloc request size %lu")
> at elog.c:931
> #2 0x00000000005d96a0 in MemoryContextAlloc (context=0x8d9c58,
> size=2047999998) at mcxt.c:505
> #3 0x00000000004db947 in lazy_space_alloc (vacrelstats=0x8de5b0,
> relblocks=6) at vacuumlazy.c:963
Oh, OK, it's lazy_space_alloc's fault --- we need to fix that to not try
to allocate chunks larger than MaxAllocSize. Will do ... thanks for the
report.
regards, tom lane
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