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marcan42's profile
Hector Martin
Hector Martin
Hector Martin
@marcan42

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Hector Martin

@marcan42

If it ain't broke, I'll fix it! I'm porting Linux to Apple Silicon Macs at @AsahiLinux. http://patreon.com/marcan  | http://github.com/sponsors/marcan 

Tokyo, Japan
marcan.st
Joined May 2009

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    1. Martin Sundhaug‏ @sundhaug92 8 May 2018
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      Replying to @sundhaug92 @marcan42

      Sorry in re RAM, didn't get the hires vid from twitter before now. 4 gigs in a server? Ouch

      1 reply 0 retweets 0 likes
    2. Hector Martin‏ @marcan42 8 May 2018
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      Replying to @sundhaug92

      I know, right? They used to be 6+6 though I moved 2G from one to the other in order to maaybe fit in a VM or two, but never got around to it. Newer servers will have way more. The two smaller servers run an Elasticsearch cluster for debug/app logs and... yeah, that chews up RAM.

      1 reply 0 retweets 1 like
    3. Martin Sundhaug‏ @sundhaug92 8 May 2018
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      Replying to @marcan42

      ES on 4 or even 8 gigs? Damn, I almost feel sorry for it

      1 reply 0 retweets 0 likes
    4. Hector Martin‏ @marcan42 8 May 2018
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      Replying to @sundhaug92

      Last night we closed all the indices except the last two months and dropped the Java heap to 800MB or so. Otherwise I'm sure we'd have had a really bad time.

      1 reply 0 retweets 1 like
    5. Martin Sundhaug‏ @sundhaug92 8 May 2018
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      Replying to @marcan42

      Nice. Running ELK or something for logs and such or?

      1 reply 0 retweets 0 likes
    6. Hector Martin‏ @marcan42 8 May 2018
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      Replying to @sundhaug92

      Hector Martin Retweeted Hector Martin

      EF(ilebeat)K, but yeah. We dump rich JSON logs from the app into a file and tail that. Invaluable debugging aid (and also great for dealing with annoying users). See the third image here:https://twitter.com/marcan42/status/993753850904330240 …

      Hector Martin added,

      Hector Martin @marcan42
      All systems ready #EE26 #noF5day pic.twitter.com/3BzbnUUy1E
      1 reply 0 retweets 1 like
    7. Martin Sundhaug‏ @sundhaug92 8 May 2018
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      Replying to @marcan42

      Nice. Use that for a dashboard too or?

      1 reply 0 retweets 0 likes
    8. Hector Martin‏ @marcan42 8 May 2018
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      Replying to @sundhaug92

      The main dashboards are Prometheus + Grafana (though we have a couple useful event metric dashboards in Kibana too)

      1 reply 0 retweets 2 likes
    9. Martin Sundhaug‏ @sundhaug92 8 May 2018
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      Replying to @marcan42

      Hosted on the same three servers? Run syslog through it too?

      1 reply 0 retweets 0 likes
    10. Hector Martin‏ @marcan42 8 May 2018
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      Replying to @sundhaug92

      Prometheus/Grafana is on the 8GB server, with exporters on every host. Syslog isn't going anywhere but local logs yet, but will once we get new hardware and revamp the entire setup. The whole thing is a little haphazard right now, but will be a lot cleaner on the new hardware.

      1 reply 0 retweets 1 like
      Hector Martin‏ @marcan42 8 May 2018
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      Replying to @marcan42 @sundhaug92

      Basically what we have here is a cut-down/simplified version of the server environment we use at the actual event, which is a *lot* cleaner (and fully redundant) and runs on newer servers. We're replacing the 4G/8G ones with brand new servers soon and replicating that setup.

      3:00 AM - 8 May 2018
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      • Martin Sundhaug Diego (usa mascarilla y 2m)
      0 replies 0 retweets 2 likes

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