Is it possible to set the cache to low down the maximum copy time?

Oops, correct, for binary copies it does not recognize it

On 7/26/13 4:11 PM, Angelasweet wrote:
> Hi Martin,
> I follow you advise, and there is error as follows:
>
> ERROR = !COPY INTO: cannot pass number of records when using binary COPY
> INTO in: "copy 200000 records binary into tmatch
> from('/data/writeBinaryWM/id','/data/writeBinaryWM/0','/data/writeBinaryWM/1','/data/writeBinaryWM/2','/data/writeBinaryWM/3','/data/writeBinaryWM/4',
>   '/data/writeBinaryWM/5','/data/writeBinaryWM/6','/data/writeBinaryWM/7','/data/writeBinaryWM/8','/data/writeBinaryWM/9','/data/writeBinaryWM/10', '/data/writeBinaryWM/11', '/data/writeBinaryWM/12', '/data/writeBinaryWM/13', '/data/writeBinaryWM/14', '/data/writeBinaryWM/15', '/data/writeBinaryWM/16', '/data/writeBinaryWM/17', '/data/writeBinaryWM/18', '/data/writeBinaryWM/19' )"
>          !current transaction is aborted (please ROLLBACK)
>
>
> 2013/7/26 Martin Kersten <Martin.Kersten@cwi.nl
> <mailto:Martin.Kersten@cwi.nl>>
>
>     This runs shows expected flushing.
>
>     You might get somewhat better performance when you follow
>     the advice in
>     http://www.monetdb.org/__Documentation/Cookbooks/__SQLrecipes/LoadingBulkData
>     <http://www.monetdb.org/Documentation/Cookbooks/SQLrecipes/LoadingBulkData>
>     e.g. use COPY 44000000 RECORDS ....
>
>     The COPY INTO forms mentioned so far share one important drawback.
>       When a lot of data is to be inserted, the server doesn't know how
>     much memory to allocate for the tables, and so will likely allocate
>     too little. This means that during the insertion process, the server
>     has to grow the allocated memory area.  This can be an expensive
>     operation.  Therefore, it is better to give the server a count of
>     how many records are to be inserted:
>
>     COPY n RECORDS INTO table FROM 'file';
>
>     Here n should be a number that is at least as large as the actual
>     number of records to be inserted.  If the file contains more than n
>     records, only n will be inserted, if the file contains fewer, all
>     values will be inserted.  Giving a higher number is especially
>     useful if multiple COPY INTO queries are to be done on the same
>     table.  The first COPY INTO, when the table is still empty, should
>     be the total count of to-be-inserted values so that the server will
>     allocate enough memory when the tables are first created (they are
>     only really created once data is inserted).
>     On 7/26/13 10:58 AM, integrity wrote:
>
>
>
>         ------------------ Original ------------------
>         *From: * "Martin Kersten"<Martin.Kersten@cwi.nl
>         <mailto:Martin.Kersten@cwi.nl>__>;
>         *Date: * Fri, Jul 26, 2013 04:46 PM
>         *To: * "users-list"<users-list@__monetdb.org
>         <mailto:users-list@monetdb.org>>;
>         *Subject: * Re: Monetdb copy binary time varys very much!
>
>
>         Hi,
>         You should plot the times of each of your runs to see the trend.
>         This single run may be an outlier, which could come from anything
>         in your system environment. Even a seemingly harmless concurrent
>         program using significant memory could compete with MonetDB.
>
>         And indeed, at some point you will see disk IO.
>
>
>         regards, Martin
>
>
>
>
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