gangliao

### Keybase proof

I hereby claim:

  * I am gangliao on github.
  * I am gangliao (https://keybase.io/gangliao) on keybase.
  * I have a public key ASBMZAZ036MtjOrnnl1dpRYibO_ZNf5pxSS1EM8iPhogJQo

To claim this, I am signing this object:

gangliao

Flat profile:

Each sample counts as 0.01 seconds.
  %   cumulative   self              self     total           
 time   seconds   seconds    calls  ms/call  ms/call  name    
 22.44      0.35     0.35     3000     0.12     0.12  rgb_ycc_convert
 20.51      0.67     0.32    52828     0.01     0.01  encode_mcu_huff
 18.59      0.96     0.29   211031     0.00     0.00  forward_DCT
 17.95      1.24     0.28   316406     0.00     0.00  jpeg_fdct_islow
 12.18      1.43     0.19                             preload_image

gangliao

-- Logs begin at Thu 2018-04-12 23:33:59 CST, end at Thu 2018-05-03 16:28:49 CST. --
May 03 15:52:34 nmyjs_170_36 kubelet[10616]: W0503 15:52:34.980720   10616 helpers.go:847] eviction manager: no observation found for eviction signal allocatableNodeFs.available
May 03 15:52:36 nmyjs_170_36 kubelet[10616]: I0503 15:52:36.358267   10616 kubelet_node_status.go:609] Update capacity for nvidia.com/gpu to 8
May 03 15:52:45 nmyjs_170_36 kubelet[10616]: W0503 15:52:45.002416   10616 helpers.go:847] eviction manager: no observation found for eviction signal allocatableNodeFs.available
May 03 15:52:46 nmyjs_170_36 kubelet[10616]: I0503 15:52:46.393167   10616 kubelet_node_status.go:609] Update capacity for nvidia.com/gpu to 8
May 03 15:52:55 nmyjs_170_36 kubelet[10616]: W0503 15:52:55.023856   10616 helpers.go:847] eviction manager: no observation found for eviction signal allocatableNodeFs.available
May 03 15:52:56 nmyjs_170_36 kubelet[10616]: I0503 15:52:56.428377   10616 kubelet_node_status.go:609] Update capacity 

gangliao

Freeflow

TCP Physical Bandwidth

ethtool eth0 | grep Speed
# 	Speed: 1000Mb/s

gangliao

Freeflow

TCP Physical Bandwidth

ethtool eth0 | grep Speed
# 	Speed: 1000Mb/s

gangliao

# check os kernel version
echo "dump os kernel info:"
uname -a

# check IP
echo "dump IP info:"
ip -4 addr show scope global dev eth0 | grep inet | awk '{print $2}' | cut -d / -f 1

# check infiniband
echo "dump IB info:"

gangliao

#include <arpa/inet.h>
#include <stdio.h>
#include <unistd.h>

/*
IP Checksum

Benefits: fast, easy to compute and check which is motivated by earliest
software implementation.

gangliao

#define POLYNOMIAL 0xD8  /* 11011 followed by 0's */

uint8_t crc_naive(uint8_t const message)
{
    uint8_t  remainder;	
    remainder = message;

    for (uint8_t bit = 8; bit > 0; --bit)
    {
        /* If the uppermost bit is a 1... */

gangliao

#!/bin/sh

set -xe

#0. clean
sudo rm -rf /etc/kubernetes/
sudo rm -rf ~/node_bin

export   http_proxy=http://10.130.14.129:8080
export   https_proxy=http://10.130.14.129:8080

gangliao

FROM ubuntu:16.04
MAINTAINER Gang Liao <gangliao@cs.umd.edu>

ARG UBUNTU_MIRROR
RUN /bin/bash -c 'if [[ -n ${UBUNTU_MIRROR} ]]; then sed -i 's#http://archive.ubuntu.com/ubuntu#${UBUNTU_MIRROR}#g' /etc/apt/sources.list; fi'

RUN apt-get update && apt-get install -y --no-install-recommends \
    git python3-pip python3-dev openssh-server g++ pkg-config \
    wget unzip unrar tar xz-utils bzip2 gzip coreutils \
    curl sed grep vim librdmacm-dev libibverbs-dev libboost-all-dev \