They’re also wildly inaccurate, since most people see a cached version of those pages and never trigger the query. The queries that increment the number of views a forum thread has gotten are particularly slow for some reason.Hopefully, the first time this happens to Kitsune, we’ll be ready. “Too much traffic” is the best problem a web development team can have. We’ll also think about whether it makes sense to start using Wil Clouser’s Zeus interface, Hera, sooner than later. Writes can never bounce off a cache, so they are very expensive.įinally, we should be more proactive in how we interact with our Zeus cache. We’ll be looking pretty seriously at this over the next couple of days.Īnother important take-away is to make damn sure pages only trigger database writes if they really need to. One idea, suggested by Dave Dash, is a read-only mode where all pages that can trigger database writes are temporarily disabled. But the event does remind us to look at what we’re doing in Kitsune, our rewrite, to weather storms like this in the future. Google has already removed the Pac Man doodle from their home page, and we can revert most of the emergency measures here on Monday. …rotated DB slaves out of the production pool to allow them to catch up.…disabled our own sumobot’s forum-crawling features.…blocked Google’s crawler from indexing the site.…disabled a particular kind of slow, frequent, and useless query.*.To shore up the site and bring it back from the brink of toppling over, we worked with IT (thanks, Dave!) to implement a number of temporary solutions. The pounding we took on the forums also caused replication on our slave databases to fall behind by as much as 1.25 hours, so even when we wrote an article about the noises, it didn’t show up for most people.Īs Sean put it: “We just got DDOSed by Pac Man.” So many, in fact, that our database server started running out of connections. Many people came to SUMO looking for an explanation, and many of them, not finding anything in the knowledge base, started posting to our forum. Even if Google was open in a background tab or window, or in a hidden iframe created by an add-on, the Pac Man music and sound effects would start. Unfortunately, in the initial release, those sounds started playing automatically-an oversight or an homage to, I guess. Enjoy it as the little funny game this is, but don't hope for more.On Friday, Google showed off a fun new doodle in honor of the 30th anniversary of Pac Man: a Pac Man clone, complete with sounds.
So beyond these few hours it obviously becomes quite repetitive. As described above, the gameplay is limited to the strict minimum, only relying on the gradual increase of the rhythm to make it harder and harder to avoid ghosts, or eat the ghost trains. 17 of the 18 achievements can be unlocked within a few hours, and the last achievement is an everlasting farm of adventure missions that artificially boosts the otherwise short play time of the game. Beyond that there is not much to look for. Trying to hit the S score in the challenge mode can be fun for a while. With the electro music in the background, the game is quite dynamic. Compared to the all-time classic Pac-Man, this game has a fast-paced gameplay, a few tweaks in the behavior of the ghosts and a "jump back to start point" feature. Compared to the all-time classic Pac-Man, this game has a This Pac-Man can be a good entertainment for a few hours, but not more. This Pac-Man can be a good entertainment for a few hours, but not more.
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