thearthur

badness:

starting metabase is slower than it has any good reason to be.

goodness:

Speed up access to liquibase changelog

stuff we know:

its all here: metabase/metabase#3715

possbile solutions

Don’t have this problem

Stop having this problem by just maintaining one file

• This is the most basic solution.

thearthur

Table of Contents

• 1. badness: starting metabase is slower than it has any good reason to be.
• 2. unfounded assumtions: Speed up access to liquibase changelog
• 3. stuff we know:
  • 3.1. its all here:

thearthur

(ns bankocr.core)

(def parse {\space :., \_ :_, \| :|})

(defn parse-input [input] (map parse input ))

(def digits {  [[:. :_ :.]
                [:| :. :|]
                [:| :_ :|]] 0
               [[:. :. :.]

thearthur

java.util.concurrent.ExecutionException: clojure.contrib.condition.Condition: Error executing script :
 :cmd su -s /bin/bash hadoop -c " export JAVA_HOME=$(dirname $(dirname $(update-alternatives --list java))); echo N | /usr/local/hadoop-0.20.2/bin/hadoop namenode -format "
echo "Start Hadoop Name Node..."
{ su -s /bin/bash hadoop -c " export JAVA_HOME=$(dirname $(dirname $(update-alternatives --list java))); if ! jps | grep -i namenode; then /usr/local/hadoop-0.20.2/bin/hadoop-daemon.sh start namenode;fi "; } || { echo "Start Hadoop Name Node" failed; exit 1; } >&2 
echo "...done"
echo "hadoop dfsadmin -safemode wait..."
{ su -s /bin/bash hadoop -c " export JAVA_HOME=$(dirname $(dirname $(update-alternatives --list java))); /usr/local/hadoop-0.20.2/bin/hadoop dfsadmin -safemode wait "; } || { echo "hadoop dfsadmin -safemode wait" failed; exit 1; } >&2 
echo "...done"
echo "hadoop fs -mkdir /tmp/node-name/data..."
{ su -s /bin/bash hadoop -c " export JAVA_HOME=$(dirname $(dirname $(update-alternatives --list

thearthur

;;; See the inspirational SO question: http://stackoverflow.com/questions/3346382

(require 'clojure.contrib.trace)

(defn trace-ns
  "Replaces each function from the given namespace with a version wrapped
  in a tracing call. Can be undone with untrace-ns. ns should be a namespace
  object or a symbol."
  [ns]
  (doseq [s (keys (ns-interns ns))