Re: out of memory error when running DB maintenance

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От Ben Deneweth
Тема Re: out of memory error when running DB maintenance
Дата
Msg-id 4D0CF2BF.3050703@gmail.com
обсуждение исходный текст
Ответ на Re: out of memory error when running DB maintenance  (Guillaume Lelarge <guillaume@lelarge.info>)
Список pgadmin-support
I am running Postgresql 8.3

Here are the last few lines of the pgAdmin output:

DETAIL:  0 index row versions were removed.
0 index pages have been deleted, 0 are currently reusable.
CPU 0.00s/0.00u sec elapsed 0.00 sec.INFO:  "tourneyplayerdata": found 0 
removable, 13226 nonremovable row versions in 151 pages
DETAIL:  0 dead row versions cannot be removed yet.
There were 217 unused item pointers.
1 pages contain useful free space.
0 pages are entirely empty.
CPU 0.01s/0.00u sec elapsed 0.31 sec.INFO:  analyzing 
"public.tourneyplayerdata"INFO:  "tourneyplayerdata": scanned 151 of 151 
pages, containing 13226 live rows and 0 dead rows; 3000 rows in sample, 
13226 estimated total rowsINFO:  vacuuming 
"public.compiledplayerresults_month"
ERROR:  out of memory
DETAIL:  Failed on request of size 534864402.

ERROR:  out of memory
DETAIL:  Failed on request of size 534864402.

Thanks for any help.

On 12/18/2010 2:08 AM, Guillaume Lelarge wrote:
> Le 18/12/2010 06:14, Ben Deneweth a écrit :
>> I have a DB taking up 220gb of a 300gb drive so I purged some old data
>> from it.  When I try to vaccum/analyze using pgAdmin III I keep getting
>> an out of memory error.  I am running Windows Vista 64 bit with 8gb of
>> RAM and I have change the postgresql.conf file variables to the following:
>>
>> #custom_variable_classes = ''        # list of custom variable class names
>> shared_buffers = 1024MB
>> effective_cache_size = 2048MB
>> work_mem = 64MB
>> maintenance_work_mem = 1024MB
>> commit_delay = 10000
>> checkpoint_segments = 128
>> checkpoint_completion_target = 0.9
>> wal_buffers = 2MB
>>
>> Any ideas on how I can avoid running out of memory and run a successful
>> vacuum/analyze?
>>
> Can you show us the complete error message? and tell us what PostgreSQL
> release you use?
>
>


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