derekwyatt

<?xml version="1.0"?>
<!DOCTYPE Configure PUBLIC "-//Jetty//Configure//EN" "http://www.eclipse.org/jetty/configure.dtd">

<!-- =============================================================== -->
<!-- Configure the Jetty Server                                      -->
<!--                                                                 -->
<!-- Documentation of this file format can be found at:              -->
<!-- http://wiki.eclipse.org/Jetty/Reference/jetty.xml_syntax        -->
<!--                                                                 -->
<!-- Additional configuration files are available in $JETTY_HOME/etc -->

jboner

Latency Comparison Numbers (~2012)
----------------------------------
L1 cache reference                           0.5 ns
Branch mispredict                            5   ns
L2 cache reference                           7   ns                      14x L1 cache
Mutex lock/unlock                           25   ns
Main memory reference                      100   ns                      20x L2 cache, 200x L1 cache
Compress 1K bytes with Zippy             3,000   ns        3 us
Send 1K bytes over 1 Gbps network       10,000   ns       10 us
Read 4K randomly from SSD*             150,000   ns      150 us          ~1GB/sec SSD

spmallette

REM source: http://www.thesysadminhimself.com/2011/03/calculating-time-difference-in-batch.html

FOR /F "skip=1 tokens=1-6" %%A IN ('WMIC Path Win32_LocalTime Get Day^,Hour^,Minute^,Second /Format:table ^| findstr /r "."') DO (
 set Milisecond=%time:~9,2% 
 set Day=%%A
 set Hour=%%B
 set Minute=%%C
 set Second=%%D
)
set /a Start=%Day%*8640000+%Hour%*360000+%Minute%*6000+%Second%*100+%Milisecond%

spmallette

pssh -i -h hosts.txt ps aux | grep cassandra | awk '{ print $2 }' |xargs sudo kill
pssh -i -h hosts.txt sudo /usr/local/apache-cassandra-1.1.2/bin/cassandra

spmallette

types = [(TinkerGraph.FileType.GRAPHSON) : '/tmp/tg/graphson',
         (TinkerGraph.FileType.GML) : '/tmp/tg/gml',
         (TinkerGraph.FileType.GRAPHML) : '/tmp/tg/graphml',
         (TinkerGraph.FileType.JAVA) : '/tmp/tg/java']

m = [:]

types.each{ gt ->
graph = new TinkerGraph(gt.value, gt.key);
graph.createKeyIndex("index", Vertex.class);

espeed

;; Random UUID compressed into a Binary 16 byte array in Clojure.
;; by James Thornton, http://jamesthornton.com

(ns espeed.uuid
  (require  [clojure.data.codec.base64 :as b64]))


(defn uuid4 [] (java.util.UUID/randomUUID))

(defn uuid-as-byte-array []

galdosd

public class EZMap<T> {
    public static void main(String[] args) {
            Map<String,Object> m = hashMap(
                    bob -> 5,
                    TheGimp -> 8,
                    incredibleKoolAid -> "James Taylor",
                    heyArnold -> new Date()
            );
            System.out.println(m);
    }

spmallette

gremlin> b = [ 64, 0, 0, 0, 0, 0, 0, 202 ] as byte[]
==>[B@150858bb
gremlin> r = new com.thinkaurelius.titan.diskstorage.util.ReadArrayBuffer(b)
==>64-0-0-0-0-0-0-202
gremlin> com.thinkaurelius.titan.graphdb.database.idhandling.VariableLong.readPositive(r)
==>36028797018964042

gremlin> ks = new com.thinkaurelius.titan.graphdb.database.serialize.kryo.KryoSerializer(true)
==>com.thinkaurelius.titan.graphdb.database.serialize.kryo.KryoSerializer@2ba74026
gremlin> x = ks.getDataOutput(40, true).writeObjectNotNull("10000000038529").getStaticBuffer()

spmallette

Keybase proof

I hereby claim:

• I am spmallette on github.
• I am spmallette (https://keybase.io/spmallette) on keybase.
• I have a public key whose fingerprint is B076 D269 AF15 8264 2135 88BA F7A9 2444 A376 2BC4

To claim this, I am signing this object:

spmallette

# generate documentation
mvn -pl titan-dist package