Re: Listen / Notify rewrite

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От
Merlin Moncure
Тема
Re: Listen / Notify rewrite
Дата
Msg-id
b42b73150911130713k23392553m6b4b17e64280693a@mail.gmail.com
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Listen / Notify rewrite Joachim Wieland <joe@mcknight.de>
Re: Listen / Notify rewrite Simon Riggs <simon@2ndQuadrant.com>
Re: Listen / Notify rewrite Tom Lane <tgl@sss.pgh.pa.us>
Re: Listen / Notify rewrite Simon Riggs <simon@2ndQuadrant.com>
Re: Listen / Notify rewrite Tom Lane <tgl@sss.pgh.pa.us>
Re: Listen / Notify rewrite "Greg Sabino Mullane" <greg@turnstep.com>
Re: Listen / Notify rewrite Tom Lane <tgl@sss.pgh.pa.us>
Re: Listen / Notify rewrite Andrew Chernow <ac@esilo.com>
Re: Listen / Notify rewrite Joachim Wieland <joe@mcknight.de>
Re: Listen / Notify rewrite Andrew Chernow <ac@esilo.com>
Re: Listen / Notify rewrite Merlin Moncure <mmoncure@gmail.com>
Re: Listen / Notify rewrite Andrew Chernow <ac@esilo.com>
Re: Listen / Notify rewrite Greg Stark <gsstark@mit.edu>
Re: Listen / Notify rewrite Bernd Helmle <mailings@oopsware.de>
Re: Listen / Notify rewrite Joachim Wieland <joe@mcknight.de>
Re: Listen / Notify rewrite Tom Lane <tgl@sss.pgh.pa.us>
Re: Listen / Notify rewrite Andrew Chernow <ac@esilo.com>
Re: Listen / Notify rewrite Josh Berkus <josh@agliodbs.com>
Re: Listen / Notify rewrite James Mansion <james@mansionfamily.plus.com>
Re: Listen / Notify rewrite Robert Haas <robertmhaas@gmail.com>
Re: Listen / Notify rewrite Greg Stark <gsstark@mit.edu>
Re: Listen / Notify rewrite "Greg Sabino Mullane" <greg@turnstep.com>
Re: Listen / Notify rewrite Tom Lane <tgl@sss.pgh.pa.us>
Re: Listen / Notify rewrite Andrew Chernow <ac@esilo.com>
Re: Listen / Notify rewrite Andrew Chernow <ac@esilo.com>
Re: Listen / Notify rewrite Greg Stark <gsstark@mit.edu>
Re: Listen / Notify rewrite Andrew Chernow <ac@esilo.com>
Re: Listen / Notify rewrite Merlin Moncure <mmoncure@gmail.com>
Re: Listen / Notify rewrite Tom Lane <tgl@sss.pgh.pa.us>
Re: Listen / Notify rewrite Merlin Moncure <mmoncure@gmail.com>
Re: Listen / Notify rewrite Joachim Wieland <joe@mcknight.de>
Re: Listen / Notify rewrite Merlin Moncure <mmoncure@gmail.com>
Re: Listen / Notify rewrite "Greg Sabino Mullane" <greg@turnstep.com>
Re: Listen / Notify rewrite Andrew Dunstan <andrew@dunslane.net>
Re: Listen / Notify rewrite Andrew Chernow <ac@esilo.com>
Re: Listen / Notify rewrite Merlin Moncure <mmoncure@gmail.com>
Re: Listen / Notify rewrite Andrew Chernow <ac@esilo.com>
Re: Listen / Notify rewrite Steve Atkins <steve@blighty.com>
Re: Listen / Notify rewrite Robert Haas <robertmhaas@gmail.com>
Re: Listen / Notify rewrite Merlin Moncure <mmoncure@gmail.com>
Re: Listen / Notify rewrite Dave Page <dpage@pgadmin.org>
Re: Listen / Notify rewrite Merlin Moncure <mmoncure@gmail.com>
Re: Listen / Notify rewrite Merlin Moncure <mmoncure@gmail.com>
Re: Listen / Notify rewrite Andrew Chernow <ac@esilo.com>
Re: Listen / Notify rewrite Alex <alex323@gmail.com>
Re: Listen / Notify rewrite Joachim Wieland <joe@mcknight.de>
Re: Listen / Notify rewrite Martijn van Oosterhout <kleptog@svana.org>
Re: Listen / Notify rewrite Andrew Chernow <ac@esilo.com>
Re: Listen / Notify rewrite Tom Lane <tgl@sss.pgh.pa.us>
Re: Listen / Notify rewrite Andrew Chernow <ac@esilo.com>
Re: Listen / Notify rewrite Joachim Wieland <joe@mcknight.de>
Re: Listen / Notify rewrite Andrew Chernow <ac@esilo.com>
Re: Listen / Notify rewrite Andrew Gierth <andrew@tao11.riddles.org.uk>
Re: Listen / Notify rewrite Joachim Wieland <joe@mcknight.de>
Re: Listen / Notify rewrite Alvaro Herrera <alvherre@commandprompt.com>
Re: Listen / Notify rewrite "A.M." <agentm@themactionfaction.com>
Re: Listen / Notify rewrite Andrew Chernow <ac@esilo.com>
Re: Listen / Notify rewrite Merlin Moncure <mmoncure@gmail.com>
Re: Listen / Notify rewrite A.M. <agentm@themactionfaction.com>
Re: Listen / Notify rewrite Andrew Chernow <ac@esilo.com>
Re: Listen / Notify rewrite Tom Lane <tgl@sss.pgh.pa.us>
Re: Listen / Notify rewrite "A.M." <agentm@themactionfaction.com>
Re: Listen / Notify rewrite "Greg Sabino Mullane" <greg@turnstep.com>
On Fri, Nov 13, 2009 at 10:00 AM, Andrew Chernow  wrote:
> I think the original OP was close.  The structure can still be fixed length
> but maybe we can bump it to 8k (BLCKSZ)?

The problem with this (which I basically agree with) is that this will
greatly increase the size of the queue for all participants of this
feature if they use the payload or not.  I think it boils down to
this: is there a reasonably effective way of making the payload
variable length (now or in the future)?  If not, let's compromise and
maybe go with a larger size, maybe 256 or 512 bytes.

merlin

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