Create trail.md

rmguy · rmguy · commit aec908038b58 · 2014-11-29T14:47:59.000-08:00
diff --git a/_posts/trail.md b/_posts/trail.md
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+<head>
+<link type="text/css" rel="stylesheet" href="http://fonts.googleapis.com/css?family=Inconsolata">
+</head>
+<pre style="margin-left:100px">
+<h2>
+Schedulers state machine:
+------------------------
+- RATM
+- Problems
+- Execution
+</h2>
+</pre>
+<pre style="font-size: 15px; margin-left:120px;">
+
+This document jumps right into scheduler implementation details. If you've never
+read scheduler code before, you might benefit from talking to someone on the lab
+team to get context first. You can also check out the docstrings in <a href="https://chromium-review.googlesource.com/#/c/174080/">this cl</a>.
+
+<h3>
+RATM:
+====
+</h3>
+
+This segment can also be viewed as a crosssection of db writes in the scheduler,
+since anything that runs in the lab records state in mysql. None of what follows
+will make much sense if you've never thought about how jobs run in the lab.
+
+</pre>
