Sounds like something the hub can do: make sure not to send the exact same data more than once.
On Fri, Nov 13, 2009 at 9:59 PM, Waleed Abdulla <[email protected]> wrote: > Thanks Ravi and Jeff for pointing me in the right direction. I did find the > cause of the issue, and it turned out to be an advertisement that TC puts at > the end of each post and it rotates between two messages. It's probably (and > I'm guessing here) inserted using a Wordpress plugin that updates the > content of the post periodically. > > It would be nice to be able to filter those updates out, but they look > exactly like content updates (because they are), and therefore will create > unnecessary load. Oh, well. > > > > > On Thu, Nov 12, 2009 at 8:31 PM, Jeff Lindsay <[email protected]> wrote: > >> Perhaps it's not fair to say the *hub* is sensitive to small changes, but >> that some publishers may be more update-happy than others. >> >> On Thu, Nov 12, 2009 at 8:25 PM, Ravi Pinjala <[email protected]> wrote: >> >>> >>> Most likely this is the same issue I ran into a few weeks ago. First, >>> PubSubHubbub only sends the changes to a feed, not the whole feed, so you >>> would only see a few updates at a time. Second, the hub is sensitive to even >>> small changes such as the number of comments on a story if the feed contains >>> that information, so it may seem like it's giving a lot of duplicate updates >>> for a few items. >>> >>> --Ravi >>> >>> >>> Waleed wrote: >>> >>>> I'm testing out Google hub by subscribing to the TechCrunch feed, >>>> which does list "pubsubhubbub.appspot.com" as it's hub. I'm seeing >>>> something odd about the notifications I'm getting. There are missing >>>> articles, and a couple old articles are being sent again and again. >>>> Here is a list of the notifications I received listing the post titles >>>> in each one: >>>> >>>> >>>> 11-12 04:38PM: (first notification from the hub) >>>> title = "Facebook VP Leaves A Lover Letter For Apple", >>>> title = "Incsub Launches WP Plugins; App Store For WordPress >>>> Plugins", >>>> title = "Reddit Opens Its Homepage To Anyone Willing To Pay >>>> (Invites)", >>>> >>>> 11-12 04:44PM: >>>> title = "Myxer Delivers 10 Million Ringtones To iPhone Users", >>>> title = "Incsub Launches WP Plugins; App Store For WordPress >>>> Plugins", >>>> title = "Reddit Opens Its Homepage To Anyone Willing To Pay >>>> (Invites)", >>>> >>>> 11-12 04:54PM: >>>> title = "Facebook VP Leaves A Love Letter For Apple", >>>> title = "Incsub Launches WP Plugins; App Store For WordPress >>>> Plugins", >>>> title = "Reddit Opens Its Homepage To Anyone Willing To Pay >>>> (Invites)", >>>> >>>> 11-12 05:01PM: >>>> title = "Incsub Launches WP Plugins; App Store For WordPress >>>> Plugins", >>>> title = "Reddit Opens Its Homepage To Anyone Willing To Pay >>>> (Invites)", >>>> >>>> >>>> In comparison, here is the list of titles as I see them when I view >>>> the feed at (http://feeds.feedburner.com/TechCrunch) >>>> >>>> Facebook VP Leaves A Love Letter For Apple >>>> The ScamVille Lawsuit: Facebook, MySpace, Zynga And More Face Possible >>>> Class Action Suit >>>> Should Nintendo Fear The Apple Juggernaut? >>>> Pingdom Says People Are Tweeting 27 Million Times A Day >>>> Google Announces Acquisition of Gizmo5. They Now Have A Soft Phone For >>>> Google Voice >>>> Forbes Media Acquires Digital Photo Magazine FlipGloss >>>> Flickr Outsources Printing To Snapfish >>>> First Rule Of Facebook Connect: You Do Talk About Fight Club >>>> MySpace Hires Some Social Smarts From LinkedIn >>>> For Charity: Foursquare Looking For Leaderboard Sponsors >>>> Crazy ComScore Charts: LinkedIn Shoots Up Past Twitter >>>> Vitamin D Turns Your Webcam Into A Virtual Doorman >>>> SPDY Gonzales: Google Continues Its Push To Take The Web To Breakneck >>>> Speeds >>>> Trouble At Twitter: U.S. Visitors Down 8 Percent In October >>>> Twitter, Facebook Come To Xbox 360 On Nov. 17 >>>> Video: Hands-on With the Chumby One >>>> YouTube Succumbs To Branding As Warner Music Begins Its Return >>>> No Need To Wrap Your Blog Post In A Tweet, Just Sync It With MySpace >>>> That $1.25 Billion Settlement With AMD? It’s About 12 Days Of Revenue >>>> For Intel. >>>> Google Wave Declutters The Inbox With Following Feature >>>> Video: Fox News Takes On Violent Video Games. Again. >>>> Cleaning House Before Its IPO Will Cost AOL $200 Million And Up To >>>> 1,000 Jobs >>>> Reddit Opens Its Homepage To Anyone Willing To Pay (Invites) >>>> Incsub Launches WP Plugins; App Store For WordPress Plugins >>>> SpotiChart Picks Up Spotify Tweets, Charts Music Trends On The Fly >>>> >>>> >>>> >>>> You'll notice that the hub keeps sending two of the old posts with >>>> every notification, while skipping some of the new posts. Am I doing >>>> something wrong? >>>> >>>> Thanks, >>>> Waleed >>>> >>>> >>>> >>>> >>> >>> >> >> >> -- >> Jeff Lindsay >> http://webhooks.org -- Make the web more programmable >> http://shdh.org -- A party for hackers and thinkers >> http://tigdb.com -- Discover indie games >> http://progrium.com -- More interesting things >> > > -- Jeff Lindsay http://webhooks.org -- Make the web more programmable http://shdh.org -- A party for hackers and thinkers http://tigdb.com -- Discover indie games http://progrium.com -- More interesting things
