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Old 2022-09-04, 01:03   #1
R.D. Silverman
 
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Question Official FactorDB server status thread

Is it down????

Last fiddled with by Uncwilly on 2022-09-30 at 13:37 Reason: Better thread title
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Old 2022-09-04, 06:42   #2
retina
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No.

http://factordb.com/index.php?query=666
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Old 2022-09-04, 15:52   #3
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I started having problems at about 21:05 BST yesterday, it said "You have reached the maximum of 4 parallel processing requests. Please wait a few seconds and try again." for every request until about 22:11 BST, then I got "502 Proxy Error" until about 03:22 BST this morning. Then things seemed to be back to normal.

Times are approximate because the script makes accesses every few minutes.
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Old 2022-09-30, 01:41   #4
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About 30 mins ago, FactorDB would come up but it gave an error whenever I tried to pull up an Aliquot sequence. Unfortunately I ended up with the 4 parallel processing requests error trying to figure out what happened. I'm unable to clear out the error. It has been happening ever since. Hopefully the issue will resolve itself after an hour or so. I've not had it lock me out for that reason for this long before.
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Old 2022-09-30, 02:07   #5
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I just got:

Resources used by your IP

Page requests 4
IDs created 0
Database queries 135
CPU (Wall clock time) 10,752.4 seconds
You have reached your hourly limit of 2400 seconds CPU-time.
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Old 2022-09-30, 02:28   #6
Batalov
 
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Syd (Markus) may have adjusted his allowance limits, who knows?
(If his root cause analysis from last downtime indicated too much traffic, he could have been driven to take that action.) You can ask him.

4 concurrent threads limit was there before, that doesn't seem to be new. Plus there were some hard to gauge limits, those that only come into play when one creates series for example, like "Some_expression+n" and then visits several pages of those. If that series is new, this can quickly eat up initial factoring resources that his daemons do, and that gets counted against the specific user (or, rather, IP?).

Ah! another idea - if this happens and non-logged in, then some other anonymous user could have use all allotted resources for the hour (all anonymous 's are lumped, I would guess). Try logging in into names account and repeating the request. The IP limit will still apply, though. Probably won't help. Use VPN, or multiple non-same-masqueraded-IP nodes!
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Old 2022-09-30, 07:24   #7
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The point that I was making and I think Ed was too is that we did not do anything unusual. The system locked up when we would try to display aliquot sequences.

There does not appear to be a change to the limits.

Later after I posted the first time, I got the exact message that Ed did. It appears that for a period of time, if you tried to display an aliquot sequence, it would go into an endless loop. Since I wasn't aware of what happened, I tried a few more times and ended up with 4 parallel processing requests not knowing that the others were still "running". Eventually the endless loop ate up all of the available CPU time...until it was corrected.

I had to wait for nearly an hour after the "Counting since" time on the limits page. It had cleared itself out by then.

That's my theory and I'm sticking to it. :-)

Last fiddled with by gd_barnes on 2022-09-30 at 07:27
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Old 2022-10-01, 00:54   #8
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Quote:
Originally Posted by Batalov View Post
Ah! another idea - if this happens and non-logged in, then some other anonymous user could have use all allotted resources for the hour (all anonymous 's are lumped, I would guess).
No. Anonymooses are distinguished by IP
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Old 2022-10-01, 02:08   #9
EdH
 
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I had more trouble this evening, and all I did was to provide an Aliquot sequence update, for a sequence with only three terms. Something does not seem right. . .


Actually, I'm still having trouble. It won't download .elfs.

Last fiddled with by EdH on 2022-10-01 at 02:11
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Old 2022-10-01, 03:25   #10
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Proxy Error
The proxy server received an invalid response from an upstream server.
The proxy server could not handle the request

Reason: Error reading from remote server
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Old 2022-10-25, 12:11   #11
Happy5214
 
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OK, I checked the composites <= 120dd count a few hours ago, and it was a little over 18 million. Now, it's over 19.1 million! How is this possible? Clearly, the limits aren't working/are being circumvented.
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