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vgr's profile
Venkatesh Rao
Venkatesh Rao
Venkatesh Rao
@vgr

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Venkatesh Rao

@vgr

Conversational account. For work follow @ribbonfarm, @breaking_smart, @artofgig. Tweets are 90% vacuous views, apathetically held. Mediocritopian. IKEA builder.

Los Angeles, CA
venkateshrao.com
Joined August 2007

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    1. Venkatesh Rao‏ @vgr 13 Sep 2019
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      Question for programmers re “Show me your flowchart and conceal your tables, and I shall continue to be mystified. Show me your tables, and I won't usually need your flowchart; it'll be obvious." -- Fred Brooks, The Mythical Man Month (1975) Where do logs fit in this idea?

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      Venkatesh Rao‏ @vgr 13 Sep 2019
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      Ie, how much can you infer about an information processing system if you only have its logs to work with (both normal ops and crash) with no access to code/database schemas? Assume logs are typical design, verbose, unencrypted, unobfuscated

      9:45 PM - 13 Sep 2019
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      • _ Michael Stone ian m hines June "Wakalix", 💎 stupid twitt account
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        2. Wes‏ @weskerfoot 13 Sep 2019
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          Replying to @vgr

          You're honestly sometimes better off with a tool like strafe, which shows the actual system calls an app is making to the OS, at the cost of a slightly lower abstraction level

          1 reply 0 retweets 2 likes
        3. Wes‏ @weskerfoot 13 Sep 2019
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          *strace

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        1. webdavNifty‏ @niftynei 13 Sep 2019
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          depends on who wrote the log lines

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        1. Austin Wilson‏ @apdiarra 13 Sep 2019
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          in dev, quite a bit. In production, not much.

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        2. Swamp Yankee‏ @ndwpdx 13 Sep 2019
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          There's logs the pop culture concept and logs the computer science concept. Which do you mean? Jay Kreps (Kafka / Confluent) is the go to grey on logs the computer science concept. In particular, logs as system architecture building block, which is on point.

          1 reply 0 retweets 2 likes
        3. Swamp Yankee‏ @ndwpdx 13 Sep 2019
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          Replying to @ndwpdx @vgr

          Properly employed, logs can recover the whole system. (Yes, I'm taking about "event sourcing".)

          1 reply 0 retweets 1 like
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        1. Eric Richards‏ @EricRichards22 13 Sep 2019
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          Logs are the most important thing. I spend a disproportionate amount of time troubleshooting customer installations I don't have direct access to. I fucking pull my hair out as they exhaust every magical bit of fiddling before they let me pull logs and say exactly what it is.

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        1. das blinkenlight‏ @tubelite 13 Sep 2019
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          "Logs is how it works" - Steve Jobs

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