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clojurians | clojure | yes | 2017-10-24T06:19:51.000154 | Corazon |
clojurians | clojure | Just out of curiousity | 2017-10-24T06:19:57.000002 | Corazon |
clojurians | clojure | oh god, so many things | 2017-10-24T06:19:58.000317 | Cecilia |
clojurians | clojure | I take it you have apache or nginx there spawning your PHP stuff, right? | 2017-10-24T06:20:20.000274 | Cecilia |
clojurians | clojure | no we use django and 5 web load balancers with nginx | 2017-10-24T06:20:37.000205 | Corazon |
clojurians | clojure | he is not contributing to django codebase at the moment | 2017-10-24T06:20:48.000176 | Corazon |
clojurians | clojure | right, doesn’t change things. Something somewhere is anyway spawning a PHP process per request | 2017-10-24T06:21:05.000060 | Cecilia |
clojurians | clojure | now, imagine two concurrent requests coming in, both of which try to do that row locking. If this row locking logic is kept in memory these two processes won’t see the locking defined by the other process since they are separate processes | 2017-10-24T06:21:57.000007 | Cecilia |
clojurians | clojure | if you’d have something sensible like Clojure then you could do that relatively safely - as long as you’d have only one server serving all the traffic | 2017-10-24T06:22:26.000043 | Cecilia |
clojurians | clojure | when you add another server then it’s the same problem all over again: different processes, different memoryspaces | 2017-10-24T06:22:48.000268 | Cecilia |
clojurians | clojure | So non-deterministic output? | 2017-10-24T06:23:05.000011 | Corazon |
clojurians | clojure | it depends on completely what is being row locked and why | 2017-10-24T06:23:17.000131 | Cecilia |
clojurians | clojure | if row locking is done for writes then most likely this will fuck up your database | 2017-10-24T06:23:31.000253 | Cecilia |
clojurians | clojure | stuff that’s supposed to be unique is not | 2017-10-24T06:23:38.000063 | Cecilia |
clojurians | clojure | fuck up how, load average? | 2017-10-24T06:23:47.000285 | Corazon |
clojurians | clojure | process A writes “foo”, process B tries to write “foo”, manages to do it since it doesn’t see the row locking stuff | 2017-10-24T06:24:13.000076 | Cecilia |
clojurians | clojure | Sorry i'm asking so many questions, but this guy will interogate and second guess what i know. So i need ammunition | 2017-10-24T06:24:20.000413 | Corazon |
clojurians | clojure | in addition you’ll end up writing a lot of code which you could handle with single statement in your schema definitions for postgre | 2017-10-24T06:25:06.000242 | Cecilia |
clojurians | clojure | code which won’t work unless you create a mechanism to handle concurrency which is ACID compliant | 2017-10-24T06:26:02.000126 | Cecilia |
clojurians | clojure | that guy should write nginx too while he’s at it | 2017-10-24T06:26:36.000097 | Cecilia |
clojurians | clojure | Ok. thanks, I will just say no it wont work. Don't have energy to argue with know-it-alls | 2017-10-24T06:27:10.000238 | Corazon |
clojurians | clojure | no, you can say that he can get it to work if he writes a fully fleged ACID compliant concurrency handling | 2017-10-24T06:27:58.000373 | Cecilia |
clojurians | clojure | good luck with that | 2017-10-24T06:28:09.000285 | Cecilia |
clojurians | clojure | especially with PHP :smile: | 2017-10-24T06:28:13.000202 | Cecilia |
clojurians | clojure | roflol, but phalcan is a c implementation and is fast as hell | 2017-10-24T06:28:29.000274 | Corazon |
clojurians | clojure | it’s not about speed, it’s about what you have at language level | 2017-10-24T06:28:47.000118 | Cecilia |
clojurians | clojure | PHP doesn’t have concurrency primitives | 2017-10-24T06:28:55.000231 | Cecilia |
clojurians | clojure | I know, you can write bad code in any language, most people write bad code in php, hehe | 2017-10-24T06:29:54.000153 | Corazon |
clojurians | clojure | Is there a way to avoid a know-it-all outlandish ideas? | 2017-10-24T06:32:36.000335 | Corazon |
clojurians | clojure | yes, get experience on multiple things, realize you know jack shit and get humble | 2017-10-24T06:32:55.000179 | Cecilia |
clojurians | clojure | I know, but i dont want to have to defend my position and knowledge all the time, its energy draining | 2017-10-24T06:33:32.000334 | Corazon |
clojurians | clojure | I know my limitations, so i wont talk about stuff i dont know | 2017-10-24T06:33:47.000161 | Corazon |
clojurians | clojure | been there done that. Changed jobs. | 2017-10-24T06:33:48.000105 | Cecilia |
clojurians | clojure | or to be more exact: client, not job | 2017-10-24T06:34:22.000343 | Cecilia |
clojurians | clojure | when I was a consultant | 2017-10-24T06:34:27.000422 | Cecilia |
clojurians | clojure | I really like this job, don't want to work for a corporate again | 2017-10-24T06:34:53.000263 | Corazon |
clojurians | clojure | then deal with the ugly parts of it and be happy :slightly_smiling_face: | 2017-10-24T06:35:31.000237 | Cecilia |
clojurians | clojure | Ok, good point | 2017-10-24T06:35:45.000368 | Corazon |
clojurians | clojure | I think i'd be happy if i can get paid writing clojure code all day | 2017-10-24T06:41:07.000426 | Corazon |
clojurians | clojure | but south africa is behind :disappointed: | 2017-10-24T06:41:46.000130 | Corazon |
clojurians | clojure | I’m actually writing scala these days, not exactly happy about that | 2017-10-24T06:43:08.000043 | Cecilia |
clojurians | clojure | Why, whats wrong with scala? | 2017-10-24T06:43:29.000052 | Corazon |
clojurians | clojure | well, my main issue with it is the `implicit` and what it brings | 2017-10-24T06:43:53.000055 | Cecilia |
clojurians | clojure | Well, dont know any scala, so i can't say i understand :slightly_smiling_face: | 2017-10-24T06:44:14.000083 | Corazon |
clojurians | clojure | and also the ideology that “writing code is a bad thing, minimize the amount of code you need to write even if it makes your code unreadable” | 2017-10-24T06:44:26.000142 | Cecilia |
clojurians | clojure | which actually is part of why `implicit` exists in the language | 2017-10-24T06:44:48.000030 | Cecilia |
clojurians | clojure | but that “writability over readibility” is more of a design choice than a feature of the language | 2017-10-24T06:45:03.000078 | Cecilia |
clojurians | clojure | and still most stuff written in scala takes more code than equivalent clojure :stuck_out_tongue: | 2017-10-24T06:45:36.000083 | Cecilia |
clojurians | clojure | oh, can you migrate to clojure? | 2017-10-24T06:46:23.000036 | Corazon |
clojurians | clojure | company is using clojure, team isn’t | 2017-10-24T06:48:09.000292 | Cecilia |
clojurians | clojure | trying to educate them :slightly_smiling_face: | 2017-10-24T06:48:14.000088 | Cecilia |
clojurians | clojure | so we’ll see | 2017-10-24T06:48:16.000369 | Cecilia |
clojurians | clojure | the absurdity of it is that we are actually using datomic but not clojure… | 2017-10-24T06:48:31.000309 | Cecilia |
clojurians | clojure | odd | 2017-10-24T06:49:39.000078 | Weston |
clojurians | clojure | Heh, we have the opposite opinion in this team | 2017-10-24T06:50:15.000327 | Mallie |
clojurians | clojure | Make it readable, even if it makes it a bit longer | 2017-10-24T06:50:23.000011 | Mallie |
clojurians | clojure | yeah, I agree with that. But Scala peeps do not apparently | 2017-10-24T06:50:37.000042 | Cecilia |
clojurians | clojure | Makes it easier to onboard new team members, and easier to understand and bugfix when you come back to code you've not touched in mnths :wink: | 2017-10-24T06:50:48.000215 | Mallie |
clojurians | clojure | anyone tried kubernetes? | 2017-10-24T06:57:04.000261 | Corazon |
clojurians | clojure | we use it at work | 2017-10-24T07:10:16.000291 | Cecilia |
clojurians | clojure | very expensive? | 2017-10-24T07:11:15.000303 | Corazon |
clojurians | clojure | in what regard? | 2017-10-24T07:11:24.000148 | Cecilia |
clojurians | clojure | lets say i need 100 instances? | 2017-10-24T07:11:38.000207 | Corazon |
clojurians | clojure | kubernetes is opensource, no licensing fees | 2017-10-24T07:11:50.000301 | Cecilia |
clojurians | clojure | so, it’s up to the price of your servers | 2017-10-24T07:12:00.000006 | Cecilia |
clojurians | clojure | So, how many instances can you have on decent server? | 2017-10-24T07:12:13.000296 | Corazon |
clojurians | clojure | there is no clear answer to that since it totally depends on your containers | 2017-10-24T07:12:29.000002 | Cecilia |
clojurians | clojure | create distroless containers which contain just a hello world written in C: then the answer would be “millions” I think | 2017-10-24T07:13:03.000273 | Cecilia |
clojurians | clojure | ah, like alpine | 2017-10-24T07:13:16.000016 | Corazon |
clojurians | clojure | alpine linux | 2017-10-24T07:13:20.000229 | Corazon |
clojurians | clojure | no, distroless | 2017-10-24T07:13:22.000087 | Cecilia |
clojurians | clojure | oh | 2017-10-24T07:13:26.000025 | Corazon |
clojurians | clojure | alpine linux is a distro | 2017-10-24T07:13:28.000071 | Cecilia |
clojurians | clojure | <https://github.com/GoogleCloudPlatform/distroless> | 2017-10-24T07:13:38.000102 | Cecilia |
clojurians | clojure | Very interesting | 2017-10-24T07:13:55.000270 | Corazon |
clojurians | clojure | I think “millions” is a bit over the board, but “thousands” easily | 2017-10-24T07:14:57.000425 | Cecilia |
clojurians | clojure | but create a ubuntu container with weblogic behemoth inside and you can put your server to it’s knees pretty easily with just one container | 2017-10-24T07:15:41.000371 | Cecilia |
clojurians | clojure | I still need to learn kubernetes :slightly_smiling_face:. Have to plan a project where a basic html page can handle 100k concurrent sessions | 2017-10-24T07:16:58.000128 | Corazon |
clojurians | clojure | you do not need kubernetes for that: <http://www.http-kit.org/600k-concurrent-connection-http-kit.html> | 2017-10-24T07:17:35.000024 | Cecilia |
clojurians | clojure | i would not recommend http-kit | 2017-10-24T07:17:48.000352 | Jena |
clojurians | clojure | yeah, well most of the stuff there is about other stuff than http-kit | 2017-10-24T07:18:09.000011 | Cecilia |
clojurians | clojure | I guess you’d suggest aleph instead? | 2017-10-24T07:18:38.000248 | Cecilia |
clojurians | clojure | yes | 2017-10-24T07:18:42.000421 | Jena |
clojurians | clojure | Ok, just concertned about socket limit on servers and bottleneck on databases then | 2017-10-24T07:18:45.000237 | Corazon |
clojurians | clojure | if it’s serving just html page you do not need a database | 2017-10-24T07:19:07.000115 | Cecilia |
clojurians | clojure | of course if you add databases into the mix it gets way more complicated | 2017-10-24T07:19:16.000281 | Cecilia |
clojurians | clojure | then kubernetes isn’t such a bad idea | 2017-10-24T07:19:29.000039 | Cecilia |
clojurians | clojure | Hmm, think they need databases, since it does api calls | 2017-10-24T07:19:35.000107 | Corazon |
clojurians | clojure | ok | 2017-10-24T07:19:38.000171 | Corazon |
clojurians | clojure | ok, so it’s not just a basic html page then :slightly_smiling_face: | 2017-10-24T07:19:45.000153 | Cecilia |
clojurians | clojure | yeah, sorry, got ahead of myself | 2017-10-24T07:34:18.000387 | Corazon |
clojurians | clojure | a side-effect of multi-tasking, hehe | 2017-10-24T07:34:57.000002 | Corazon |
clojurians | clojure | but anyway, Kubernetes is a container orchestration platform like Docker Swarm or Apache Mesos (although that is actually more than just container platform) | 2017-10-24T07:36:40.000074 | Cecilia |
clojurians | clojure | so basically all it costs you is the servers where Kubernetes itself is running | 2017-10-24T07:36:59.000093 | Cecilia |
clojurians | clojure | rest is just your normal containers on top of VMs stuff, it’s just being managed by Kubernetes | 2017-10-24T07:37:23.000274 | Cecilia |
clojurians | clojure | I have yet another interop question, I'm pretty sure that the method `.addExtensions` exists for my imported `org.openqa.selenium.chrome.ChromeOptions` class.
```
(user/all-methods (new ChromeOptions))
(.addArguments .addEncodedExtensions .addExtensions .amendHashCode .asMap .getExperimentalOption .lambda$asMap$0 .setBinary .setExperimentalOption .setHeadless .setPageLoadStrategy .setUnhandledPromptBehaviour .toCapabilities)
```
but when useing it, I get a strange error
```
(doto (new ChromeOptions)
(.addExtensions (java.io.File. "chrome/my-extension.xpi")))
;; => CompilerException java.lang.IllegalArgumentException: No matching method found: addExtensions for class org.openqa.selenium.chrome.ChromeOptions
```
<https://seleniumhq.github.io/selenium/docs/api/java/org/openqa/selenium/chrome/ChromeOptions.html> | 2017-10-24T07:37:45.000267 | Lily |
clojurians | clojure | what feature are you using that makes aws lambda / google compute functions inadequate ? | 2017-10-24T07:37:46.000423 | Berry |
clojurians | clojure | <@Berry> asking me? | 2017-10-24T07:38:42.000236 | Cecilia |
clojurians | clojure | <@Cecilia>: yes, I'm recently moved from EC2 + Elastic Bean Stalk to AWS Lambda + CloudFront + API Gateway + DynamoDb ... and am loving serverless. | 2017-10-24T07:39:36.000158 | Berry |
clojurians | clojure | well, we are talking about a huge microservice ecosystem here, hundreds of engineering teams | 2017-10-24T07:40:00.000278 | Cecilia |
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