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william wu
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Posts Disappearing
« on: Jan 13th, 2004, 9:26am » |
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One user has told me that his post count has magically dropped by 65 posts overnight. Have any other members noticed a similar effect? I'm working on the problem ... got class now though.
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william wu
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Re: Posts Disappearing
« Reply #1 on: Jan 21st, 2004, 3:40pm » |
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I recently fixed a bug and would be very interested in knowing if this solves the problem. Please be sure to indicate if you see any more posts disappearing in the future.
As for recovering old posts, I'll see what I can do about that later.
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Sir Col
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Re: Posts Disappearing
« Reply #2 on: Jan 21st, 2004, 4:35pm » |
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In case my post above is not clear, I was trying to say that I am unaware of any posts disappearing. 
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Icarus
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Re: Posts Disappearing
« Reply #4 on: Feb 11th, 2004, 7:54pm » |
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The only post that I know of definitely that disappeared was the first post in the Transfinite Subway riddle.
However, I doubt that it is only first posts that disappeared. T&B indicated a substantial number of posts gone (at least 50, if I remember correctly) and I don't think that, prolific as he is at starting threads, he has started that many. But even if he has, when the first post is gone, the subject line for the 2nd post becomes the thread title, and it generally begins with "Re:". I don't see a whole bunch of threads out there with "Re:" titles.
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william wu
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Re: Posts Disappearing
« Reply #5 on: Feb 11th, 2004, 9:44pm » |
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There are quite a few Re: threads in the hard forum in the later pages.
I should add that I've been backing up the forum content weekly, so the information isn't lost, but it's not clear yet whether it will feasible to reintegrate the information without compromising YaBB's integrity.
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| « Last Edit: Feb 11th, 2004, 9:47pm by william wu » |
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ThudnBlunder
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Re: Posts Disappearing
« Reply #6 on: Feb 11th, 2004, 10:11pm » |
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Quote:| However, I doubt that it is only first posts that disappeared. T&B indicated a substantial number of posts gone (at least 50, if I remember correctly) and I don't think that, prolific as he is at starting threads, he has started that many. |
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60+ posts of mine disappeared.
Even without these, according to the stats I have started 189 ([smiley=gggtr.gif][smiley=gggtr.gif] 50) threads.
At least the following Hard topics have been guillotined:
Transfinite Subway
Sleeping Beauty
Intersecting Spheres
The Mirrored Maze
Impish Pixie
Cutting Up a Square
Heronian Triangle
Logical Nonsense
More Lies
Carnivores and Herbivores
SelfHelpMate in 5
From a Point to a Plane
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| « Last Edit: Feb 12th, 2004, 2:35am by ThudnBlunder » |
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towr
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Re: Posts Disappearing
« Reply #7 on: Feb 12th, 2004, 1:07am » |
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on Feb 11th, 2004, 7:54pm, Icarus wrote:| and I don't think that, prolific as he is at starting threads, he has started that many. |
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Actually, for some weeks the number of threads he start is over a third of what he posts.. (You can look at it in the user profile, and look at the graph for the last 14 days/weeks or year)
In the last year (less actually), according to the forum statistics (so the missing posts are unaccounted for), he posted 189 Topics and 964 Posts. Quite a substantial amount. If the posts that where lost have the same distribution, and there were 60 lost in total, then about 12 first posts would be lost (so with a bit of luck all have been accounted for)..
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| « Last Edit: Feb 12th, 2004, 1:29am by towr » |
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ThudnBlunder
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Re: Posts Disappearing
« Reply #8 on: Feb 12th, 2004, 1:56am » |
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Yes, it would appear that all the missing posts are from those 12 Topics.
For some reason Online Verbal IQ Test was unaffected.
William, what if you just replace those files for the 12+ pages from your backup?
eg, for Sleeping Beauty can you just replace the file http://www.ocf.berkeley.edu/~wwu/cgi-bin/yabb/YaBB.cgi?board=riddles_har d;action=display;num=1049844608?
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| « Last Edit: Feb 12th, 2004, 2:14am by ThudnBlunder » |
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william wu
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Re: Posts Disappearing
« Reply #9 on: Feb 12th, 2004, 2:18am » |
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Yes I could do that, but there are other member-specific files which might need to be adjusted as well to reflect the change. For instance, each member has a file that includes the number of posts he or she has made -- this number would have to be changed to reflect the restored posts, and the deleted posts for those unfortunate enough to have posted to those threads recently. I guess I will save these posts manually to text files and repost them myself (hopefully there aren't too many), crediting the authors. And there are other forum-related files whose integrity could be affected. There is a function that rescans threads in some sense, and I'm hoping that if I just replace the thread content file, the rescanning function will update related files correctly, but I need to check this with people more familiar with YaBB first. Or else this will result in even more problems.
My hypothesis regarding the post disappearances is that they are aftershocks from errors that occurred when I temporarily went over my disk quota a few months back. Then we had that Database cruft that James reported, and some other problems. Then I deleted some junk and went back under quota, and everything seemed normal again. But perhaps there are still some problems that weren't ironed out.
I'm going to lock the aformentioned threads to prevent new posts from being adding to those threads, and thereby minimize the amount of work I'll have to do in reposting newer posts that aren't saved in backup threads.
I'm sorry this problem hasn't been resolved earlier. I've been asking YaBB hackers for help at other forums, but I haven't gotten helpful responses yet.
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| « Last Edit: Feb 12th, 2004, 2:31am by william wu » |
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ThudnBlunder
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Re: Posts Disappearing
« Reply #10 on: Feb 12th, 2004, 2:37am » |
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Quote:| For instance, each member has a file that includes the number of posts he or she has made -- this number would have to be changed to reflect the restored posts, and the deleted posts for those unfortunate enough to have posted to those threads recently. |
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I don't think anybody has posted in those threads since the incident happened.
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william wu
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Re: Posts Disappearing
« Reply #11 on: Feb 12th, 2004, 2:37am » |
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Also if anyone could pinpoint an example of where a non-first post disappeared, that could be helpful. I know this is much harder to do.
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ThudnBlunder
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Re: Posts Disappearing
« Reply #12 on: Feb 12th, 2004, 2:51am » |
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How does one 'pinpoint' a post? By position in thread?
In Transfinite Subway posts 1, 11, and 17 are missing.
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| « Last Edit: Feb 12th, 2004, 3:02am by ThudnBlunder » |
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towr
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Re: Posts Disappearing
« Reply #13 on: Feb 12th, 2004, 3:00am » |
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There are at least 4 posts missing in the sleeping beauty thread. As (current) reply #17 is referred to in quotes as #21
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| « Last Edit: Feb 12th, 2004, 3:02am by towr » |
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ThudnBlunder
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Re: Posts Disappearing
« Reply #15 on: Feb 12th, 2004, 9:44pm » |
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I have been able to identify the following disappeared posts of mine:
Transfinite Subway (1, 11)
Sleeping Beauty (1, 4, 5, 7)
Intersecting Spheres (1, 3, 5)
The Mirrored Maze (1, 3, 9)
Impish Pixie (Now entitled 'Chew on This' because of the missing first post) (1)
Cutting Up a Square (1, 3, 6)
Heronian Triangle (1, 4)
Logical Nonsense (1)
More Lies (1, 4, 6)
Carnivores and Herbivores (1)
Chess Reconstruction Game (Now entitled 'SelfHelpMate in 5' because of the missing first post) (1, 6)
From a Point to a Plane (1, 3)
A total of only 27.  But the main thing is that the first posts are restored.
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| « Last Edit: Feb 13th, 2004, 7:13am by ThudnBlunder » |
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towr
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Re: Posts Disappearing
« Reply #16 on: Feb 13th, 2004, 12:54am » |
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on Feb 12th, 2004, 9:44pm, THUDandBLUNDER wrote:I have been able to identify the following disappeared posts of mine:
The Mirrored Maze (1, 3, 9) |
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9 isn't missing, it's at 7 (reply #6)
Quote:I think you mean 9 which here is also at 7
(there are only two post missing, if you look at the last post james' post, reply #13, is quoted to be at #15 (counting fro the anchors start at 0, so reply number equals anchor number))
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| « Last Edit: Feb 13th, 2004, 1:01am by towr » |
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ThudnBlunder
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Re: Posts Disappearing
« Reply #17 on: Feb 13th, 2004, 5:09am » |
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Quote:| 9 isn't missing, it's at 7 (reply #6) |
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Right.
Quote:I think you mean 9 which here is also at 7
(there are only two post missing, if you look at the last post james' post, reply #13, is quoted to be at #15 (counting fro the anchors start at 0, so reply number equals anchor number)) |
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Are you sure you mean 'Cutting Up a Square'?
Only you replied in this thread. James didn't.
If so, there are indeed three posts missing, #6 being the last (a general solution).
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| « Last Edit: Feb 13th, 2004, 5:10am by ThudnBlunder » |
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Barukh
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Re: Posts Disappearing
« Reply #18 on: Feb 13th, 2004, 5:23am » |
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on Feb 12th, 2004, 9:44pm, THUDandBLUNDER wrote:
Something is broken here... No matter what link I take, I always arrive at the Mirrored Maze thread...
BTW, how do you guys identify what posts are missing? I don't see any broken numbering.
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ThudnBlunder
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Re: Posts Disappearing
« Reply #19 on: Feb 13th, 2004, 7:19am » |
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Thanks for pointing that out, Barukh. (Now corrected.)
I guess towr was looking at The Mirrored Maze when he thought he was looking at Cutting Up a Square.
Quote:| [BTW, how do you guys identify what posts are missing? I don't see any broken numbering. |
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I am doing it mainly from memory.
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| « Last Edit: Feb 13th, 2004, 8:28am by ThudnBlunder » |
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towr
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Re: Posts Disappearing
« Reply #20 on: Feb 13th, 2004, 1:02pm » |
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on Feb 13th, 2004, 5:23am, Barukh wrote:| BTW, how do you guys identify what posts are missing? I don't see any broken numbering. |
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I'm doing from references from quotes (as I can't remember where they ought to be like Thud)
on Feb 13th, 2004, 7:19am, THUDandBLUNDER wrote:| I guess towr was looking at The Mirrored Maze when he thought he was looking at Cutting Up a Square. |
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Yep, that seems to be it.. I should have noticed that..
Maybe there's something to 'friday the thirteenth' after all 
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ThudnBlunder
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Re: Posts Disappearing
« Reply #21 on: Mar 5th, 2004, 2:31am » |
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It's happened again!
I had around 1080 posts and now it's down to 1028.
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| « Last Edit: Mar 6th, 2004, 12:37am by ThudnBlunder » |
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towr
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Re: Posts Disappearing
« Reply #22 on: Mar 5th, 2004, 3:13am » |
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It must have been before last night, because I noticed you had 1024 then. Any idea which threads?
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Icarus
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Re: Posts Disappearing
« Reply #23 on: Jan 7th, 2005, 3:08pm » |
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It may be too late, but I have found one place a post by T&B disappeared: In this post , rmsgrey replies to a post by T&B which is missing.
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ThudnBlunder
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Re: Posts Disappearing
« Reply #24 on: Jan 7th, 2005, 11:28pm » |
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on Jan 7th, 2005, 3:08pm, Icarus wrote:| It may be too late, but I have found one place a post by T&B disappeared: In this post , rmsgrey replies to a post by T&B which is missing. |
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IIRC, having answered the wrong question, I deleted that post without realizing/remembering that rmsgrey had already made reference to it. (Sorry.)
But it would appear that those other posts will not be coming back any time soon.
Unfortunately, many of them are the first in a thread and thus contain the original puzzle.
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| « Last Edit: Jan 10th, 2005, 10:43am by ThudnBlunder » |
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