Perl 6 - the future is here, just unevenly distributed

IRC log for #rosettacode, 2012-01-17

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Time Nick Message
00:20 mwn3d_phone1 joined #rosettacode
00:39 mikemol mwn3d_phone1: "Approved" your comment and replied.
00:52 nimdAHK joined #rosettacode
00:53 nimdAHK I've made 11 LabVIEW today :D
00:53 nimdAHK LabVIEW solutions*
00:56 mwn3d_phone mikemol: did anyone say anything about time warner cable? That's my ISP (and most of the off-campus students at RIT).
01:03 mikemol mwn3d_phone: I was the one giving the presentation. That was one of the kinds of questions I was getting. Really, don't know.
01:04 mwn3d_phone K
01:04 mikemol This is what I found from a bit of googling, though: http://www.timewarnercable.com/Corporate/site.faqs/HighSpeedO/IPv6/What-is-Time-Warner-Cable-doin
01:04 fedaykin "What is Time Warner Cable doing to prepare for IPv6? | Time Warner Cable | Corporate" http://rldn.net/jJks
01:05 mikemol They do mention residential customers, third paragraph.
01:06 mikemol I'd probably suggest calling their sales dept and ask. Or call their tech support department, and use the shibboleet passphrase.
01:07 mwn3d_phone Yeah I saw that a while ago but I don't think its been updated for a while
01:07 mwn3d_phone As I recall it was ambiguous as to when things would happen
01:08 mwn3d_phone I think it said "this spring" but it didn't have a date when it was written
01:08 mikemol All the major ISPs are being ambiguous; they don't know how many internal setbacks they're going to hit first.
01:08 mikemol http://www.timewarnercable.com/Corporate/site.faqs/HighSpeedO/IPv6/Will-customer-owned-devices-wo
01:08 fedaykin "Will customer-owned devices work with IPv6? | Time Warner Cable | Corporate" http://rldn.net/CtR
01:08 mikemol Try that "Contact Us" link in the second paragraph; that it goes to a script named 'LinkLocalizer' is promising.
01:09 mwn3d_phone I'll try it on my computer sometime soon
01:10 mikemol mwn3d_phone: Also, nothing really stops you from getting IPv6 right now; you can use a free tunnel provided by tunnelbroker.net or sixxs.net. In both those cases, you'd need to use your router as the endpoint. You could use Freenet6 if you really, really don't want to use your router for the purpose.
01:10 fedaykin "Hurricane Electric Free IPv6 Tunnel Broker" "SixXS - IPv6 Deployment & Tunnel Broker"
01:10 mikemol Freenet6's tunnels can be really, really slow, though. I've got a tunnelbroker.net tunnel on my router, and it works great.
01:10 fedaykin "Hurricane Electric Free IPv6 Tunnel Broker"
01:12 mwn3d_phone Seems like more work than I care to do. My router is ready. I'll just wait for it.
01:14 mwn3d_phone Not sure if I'll need a new modem when TWC gets it set up. Hopefully they can just send a firmware update.
01:19 mikemol mwn3d_phone: Ah. "this spring" looks like it referred to 2011.
01:25 mwn3d_phone Heh...oops
01:26 mwn3d_phone My phone is on my wifi right now...you'll notice the v4 address in my hostname.
01:27 mikemol RoadRunner?
01:27 mwn3d_phone That's the name of the internet service that TWC gives out
01:27 mwn3d_phone They bought it I'm pretty sure
01:27 mikemol Sounds familiar.
01:28 mwn3d_phone But if you see "res.rr" that's TWC
01:31 mikemol I think I found close to the ideal way to test the server squid/apache/php/mysql stack.
01:31 mikemol Two wget processes, both running on the server.
01:32 mikemol wget -pm --spider http://hostname
01:33 mikemol One pointed at port 80, one pointed at the port apache's listening on internally. The one pointed at port 80 slurps the site through squid, helping fill up squid, with some queries leaking through and poking apache, php, memcached and mysql.
01:33 mikemol The one that doesn't go through squid hits apache directly, so it feeds the php opcode cache, induces mysql to fill memcached, and primes mysql's buffers and caches.
01:36 mikemol And at the end of it, if my swap's increased, I know I need to reduce either memcached's cache size, or mysql's cache and buffers. Squid is already configured such that it can fit almost all of RC's primary content in its in-memory cache.
01:36 mikemol Except for a few unusual and really big files, a static snapshot of the face of RC weighs in at under 250M.
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17:55 mwn3d_phone Looks like traffic is picking back up from the holiday
17:55 mwn3d_phone Even through MLK weekend
19:01 robbrit actually i was running a scraper script against RC yesterday, trying a data experiment
19:01 robbrit not sure if that would have put a spike in the traffic
19:02 mikemol It'd only show on Google Analytics if your scrapper retrieves and executes JS.
19:02 robbrit ah, no i don't think it does
19:02 mikemol I've run two simultaneous copies of wget -pm --spider against the server several times over the last 2-3 days, but I don't expect that to show up on GA, either.
19:04 mikemol And I just launched them again, because I tweaked another system parameter. Trying to keep things out of swap.
19:05 mikemol One hammers Apache->PHP+memcached->MySQL, the other hammers Squid->Apache->PHP+memcached->MySQL.
19:05 robbrit nice, good to know i wasn't doing anything out of the ordinary ;)
19:06 mikemol Do you know how many search engine bots poke the server every day? :)
19:06 robbrit yeah good call
19:06 mikemol Though if you'd like to run a scraper script, I might be willing to have it run on the server, and not chew my bandwidth quota.
19:06 mikemol My two wget procs are running on-server.
19:07 mikemol robbrit: I wouldn't worry about it too much, though. Just be reasonable and avoid hitting large objects multiple times.
19:07 robbrit yeah it's basically a download of a number of code snippets to do some stats
19:08 robbrit not really sure what the end goal is in mind, so ideally i'd download a lot of the data and then just work with it on my PC
19:09 mikemol robbrit: Poke BenBE of GeSHi; he had the geshi highlighter script save off code snippets so he could do some stats work or testing. Don't recall what, exactly.
19:10 robbrit alright cool, i'll take a look
19:10 robbrit thanks!
19:11 Coderjoe I'd be careful with wget's mirror, as far as memory usage goes. It seems to use more memory the more URLs it sees, keeping the to-visit and alread-visited lists. I've OOM'd a system that way before.
19:11 mikemol Coderjoe: I had my eye on it. Each proc never exceeded about 25M.
19:12 Coderjoe to the point that I couldn't get in anymore and had to tell the host to shut down the guest.
19:27 _ilbot joined #rosettacode
19:27 Topic for #rosettacode is now Rosetta Code: Coding in (∞ - 1) languages ; http://irclog.perlgeek.de/rosettacode/today ; Pop a tab and stick around!
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