gvenzl

sql() {
  # REMOTE source this script
  #
  # . <(curl -s https://gist.githubusercontent.com/krisrice/fec43fd9f53e4286e5cc360b554e3c0f/raw/62ec382d7511c7cc44703a9a2f75a4a7f233efe2/sqlcl.sh)

  # Set the stage directory
  STAGE_DIR=/var/tmp

  # Check whether internet connection exists
  if ping -c 1 -W 3 download.oracle.com > /dev/null; then

gvenzl

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