Re: out of memory error on a delete command - Mailing list pgsql-jdbc

From Dave Cramer
Subject Re: out of memory error on a delete command
Date
Msg-id 9284674D-C33E-44BE-98F6-1B939AB143D2@fastcrypt.com
Whole thread Raw
In response to out of memory error on a delete command  (Csaba Nagy <nagy@ecircle-ag.com>)
Responses Re: out of memory error on a delete command
List pgsql-jdbc
Looks like you received too many error messages

Dave
On 12-Jul-05, at 6:43 AM, Csaba Nagy wrote:

> Hi all,
>
> I wonder what could cause such an exception (see below). I was
> executing
> a "DELETE FROM table_name" command on a table with a lot of records (~
> 80 million). Now after the fact I realize I should have tried it in
> psql
> too to see if it fails there too, but I truncated the tables in the
> meantime via "TRUNCATE". The only reason I tried to do it via
> delete is
> to see how many rows were deleted, but it looks like a bad idea...
>
> Any enlightening thoughts ?
>
> Cheers,
> Csaba.
>
> The (partial) stack trace:
>
> org.postgresql.util.PSQLException: ERROR: out of memory
>         at
> org.postgresql.core.v3.QueryExecutorImpl.receiveErrorResponse
> (QueryExecutorImpl.java:1471)
>         at
> org.postgresql.core.v3.QueryExecutorImpl.processResults
> (QueryExecutorImpl.java:1256)
>         at
> org.postgresql.core.v3.QueryExecutorImpl.execute
> (QueryExecutorImpl.java:175)
>         at
> org.postgresql.jdbc2.AbstractJdbc2Statement.execute
> (AbstractJdbc2Statement.java:389)
>         at
> org.postgresql.jdbc2.AbstractJdbc2Statement.executeWithFlags
> (AbstractJdbc2Statement.java:314)
>         at
> org.postgresql.jdbc2.AbstractJdbc2Statement.executeUpdate
> (AbstractJdbc2Statement.java:264)
> [... our classes follow]
>
>
>
> ---------------------------(end of
> broadcast)---------------------------
> TIP 5: don't forget to increase your free space map settings
>
>


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