[seqfan] Re: Don't submit a difficult query more than once, it kills the system

israel at math.ubc.ca israel at math.ubc.ca
Mon Feb 22 03:41:05 CET 2016


Couldn't the server software detect and remedy this situation?
E.g. not allow a second query from the same address while the first
is still active?

Cheers,
Robert

On Feb 21 2016, Neil Sloane wrote:

>Dear Seq Fans,
>Some  queries take a while to be answered.
>Queries with lots of 0's and 1's, for instance.
>Or some queries that don't have commas, like this one:
>
>" 32 39 29 20 37 24 16 29 43 26" (without the quotes)
>
>If you submit a query on the OEIS web page, and you don't get
>an answer right away, then *PLEASE WAIT*, and *don't submit it again*
>*and again*. Each time it slows down the server, and this afternoon around
>14:00 EST there were multiple submissions of one query that
>essentially crashed the OEIS.
>
>Best regards
>Neil
>
>Neil J. A. Sloane, President, OEIS Foundation.
>11 South Adelaide Avenue, Highland Park, NJ 08904, USA.
>Also Visiting Scientist, Math. Dept., Rutgers University, Piscataway, NJ.
>Phone: 732 828 6098; home page: http://NeilSloane.com
>Email: njasloane at gmail.com
>
>_______________________________________________
>
>Seqfan Mailing list - http://list.seqfan.eu/
>
>



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