Re: Error while executing pg_dump "invalid memory alloc request size 4294967293"

Hi,
I have tried to taken backup while no one is connected. Should i change my
RAM and then check it. Version are same of pg_dump and database version 8.1.

Should I copy the data folder ? and then restore it with new installation or
what do you mean to say kindly brief it please. I will be thankful to any
help. thanks a lot.

On Fri, May 23, 2008 at 8:53 AM, Vishal Mailinglist <list(at)vishal(dot)net(dot)in>
wrote:

> Hi ,
>
> Make sure no one is connected to the database while doing the back up.
> Usually memory alloc error comes if its a bad RAM .
> check the pg_dump version and your database version match (this could be a
> guess)
> try file level backup and restore into new database.
>
>
> On 22/05/2008, Amit jain <amitjain(dot)bit(at)gmail(dot)com> wrote:
>>
>> Hello All,
>>
>> We are using postgresql version 8.1 and our database size is 7gb. Ram Size
>> is 2 GB.
>>
>> while trying to take backup through pg_dump i am getting following error.
>>
>> oka97: pg_dump amtdb > amtdb.out
>> pg_dump: ERROR: invalid memory alloc request size 4294967293
>> pg_dump: SQL command to dump the contents of table "atbs2_logs" failed:
>> PQendcopy() failed.
>> pg_dump: Error message from server: ERROR: invalid memory alloc request
>> size 4294967293
>> pg_dump: The command was: COPY public.atbs2_logs (sno, request_time,
>> msisdn, phone_make, error_code, error_desc, reply_message, request_query,
>> responce_time, request_type) TO stdout;
>>
>> When I tried to take a single table backup i.e is mentioned in the error
>> named* "public.atbs2_logs" then again getting following error.
>> *
>>
>> pg_dump: SQL command failed
>> pg_dump: Error message from server: server closed the connection
>> unexpectedly
>> This probably means the server terminated abnormally
>> before or while processing the request.
>> pg_dump: The command was: FETCH 100 FROM _pg_dump_cursor
>>
>>
>> So we are unable to take backup , we have tried the vacuum and reindex but
>> not of any use.
>>
>> Kindly help us Any help would be highly appreciate. Thanx in Advance.
>>
>>
>> Amit Jain
>>
>> +91-9818450022
>>
>>
>>
>>
>>
>>
>>
>
>
> --
> Regards,
> Vishal Kashyap.
> Need help visit
> http://help.vishal.net.in