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Re: Nginx forum returns 502 (2014-03-25T08:13Z)

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http_exchange 1.2 KB open | download B.R. 03/25/2014 Read message
March 26, 2014 10:12AM
Hello,

On 3/26/14, 9:56 AM, B.R. wrote:

>
> I do not know if those 502 are directly tied to some IPv6 request, since
> I have both v4/v6 connectivity. I do not know how switch/fallback
> between versions occur during normal browsing.
> I recovered access to the URL, but following your explanation the 502
> were due to the temporary apache setup.
>
> - I know little about Apache and especially RPAF module, but Googling a
> little around I found that:
> https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=726529
> I do not know if that would help, but who knows? If you are using
> Debian, it seems there was an update at the end of January.

I saw that and others like it. Not using Debian but I suspect that RPAF
is the culprit. I could test it, but then I have to scour the logs to
find the IP's of spammers and the like. They'd all show up as 137.0.0.1.

I could simply have Igor delete the AAAA record and that would solve the
problem for people with dual IPv4/IPv6 connectivity, but I'm not excited
to do that. I've been serving the forum on IPv6 for years. It is,
however an option, at least for now.

>
> - For PHP stopping accepting requests, since it is not crashing and you
> confirm the traffic volume is high, I would bet on the exhaustion of
> threads being able to accept new requests. Looks like the usual symptoms.
> Ironically, I found some answers on the Nginx ML archive that would help
> improving threads pool and PHP jobs execution time limit:
> http://forum.nginx.org/read.php?2,108162

That's not the case. Not even close to out of resources. The FPM
children are there, they're "listening", they're just not "hearing".


--
Jim Ohlstein


"Never argue with a fool, onlookers may not be able to tell the
difference." - Mark Twain

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Subject Author Posted

Nginx forum returns 502 (2014-03-25T08:13Z)

B.R. March 25, 2014 04:16AM

Re: Nginx forum returns 502 (2014-03-25T08:13Z)

sarahnovotny March 25, 2014 10:30AM

Re: Nginx forum returns 502 (2014-03-25T08:13Z)

Jim Ohlstein March 25, 2014 11:34AM

Re: Nginx forum returns 502 (2014-03-25T08:13Z)

B.R. March 25, 2014 05:00PM

Re: Nginx forum returns 502 (2014-03-25T08:13Z) Attachments

B.R. March 25, 2014 05:00PM

Re: Nginx forum returns 502 (2014-03-25T08:13Z)

Jim Ohlstein March 25, 2014 05:18PM

Re: Nginx forum returns 502 (2014-03-25T08:13Z)

Jonathan Matthews March 25, 2014 06:52PM

Re: Nginx forum returns 502 (2014-03-25T08:13Z)

Jim Ohlstein March 26, 2014 09:24AM

Re: Nginx forum returns 502 (2014-03-25T08:13Z)

B.R. March 26, 2014 09:58AM

Re: Nginx forum returns 502 (2014-03-25T08:13Z)

Bruno Prémont March 26, 2014 10:12AM

Re: Nginx forum returns 502 (2014-03-25T08:13Z)

Jim Ohlstein March 26, 2014 10:16AM

Re: Nginx forum returns 502 (2014-03-25T08:13Z)

Jim Ohlstein March 26, 2014 10:12AM

Re: Nginx forum returns 502 (2014-03-25T08:13Z)

itpp2012 March 26, 2014 10:02AM

Re: Nginx forum returns 502 (2014-03-25T08:13Z)

Jim Ohlstein March 26, 2014 10:18AM



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