DivyendraPatil

Part	Article
I	The 1201 program alarm
II	Glenn’s flight
III	Functional vs non-functional requirements
IV	RACI
V	[Chat

DivyendraPatil

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

DivyendraPatil

DivyendraPatil

#!/usr/bin/env bash

# Save this file in a location where any user on your linux machine can read
# We saved it in /usr/local/bin/somefolder/cron-logging-script.sh
# Add or edit all files in cron.d whose outputs you want to collect by adding or changing the shell
# All top of the cron.d files should have SHELL=/usr/local/bin/somefolder/cron-logging-script.sh

# Get what command is going to be executed 
COMMAND="$(echo "$@" | sed 's/"/\\"/g')"