tchaikov

ceph-osd testing

2019-04-04 19:09:13.486 7f9e33b3da40 -1 WARNING: all dangerous and experimental features are enabled.
2019-04-04 19:09:13.490 7f9e33b3da40 -1 WARNING: all dangerous and experimental features are enabled.
2019-04-04 19:09:13.490 7f9e33b3da40 -1 WARNING: all dangerous and experimental features are enabled.
hints = 1
  sec Cur ops   started  finished  avg MB/s  cur MB/s last lat(s)  avg lat(s)
    0       0         0         0         0         0           -           0
    1      15     25469     25454   99.4172   99.4297 0.000434646 0.000623739

tchaikov

MDS=0 MGR=1 OSD=3 MON=3 ../src/vstart.sh -n --without-dashboard

sleep 5
monmap_fn=/tmp/monmap
bin/ceph mon getmap -o $monmap_fn
bin/init-ceph stop mon
for name in a b c; do
    if [ "$name" == "a" ]; then
        rm -rf dev/mon.$name/store.db
    else

tchaikov

// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*- 
// vim: ts=8 sw=2 smarttab

#include <list>
#include <map>
#include <type_traits>
#include <unordered_map>

template <class Key, class Value, bool Ordered>
class LRUCache {

tchaikov

diff --git a/CMakeLists.txt b/CMakeLists.txt
index c904497866..d557536c20 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -604,13 +604,13 @@ if(WITH_SYSTEM_BOOST)
   else()
     set(Boost_USE_STATIC_LIBS ON)
   endif()
-  find_package(Boost 1.66 COMPONENTS ${BOOST_COMPONENTS} REQUIRED)
+  find_package(Boost 1.67 COMPONENTS ${BOOST_COMPONENTS} REQUIRED)

tchaikov

./rbd create -p rbd -s 1024M --object-size 32M rbd/image-1
./rbd bench-write --io-size 4K --io-total 512M rbd/image-1
./rbd snap create rbd/image-1@0
./rbd snap protect rbd/image-1@0

for i in `seq 1000`; do
  echo "========= $i ==========="
  ./rbd clone rbd/image-1@0 rbd/image-2
  ./rbd bench-write --aligned-size 32M --io-size 4K --io-total 32M rbd/image-2
  ./rbd rm rbd/image-2

tchaikov

diff --git a/CMakeLists.txt b/CMakeLists.txt
index da92ca39bc..4a2679ff0b 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,4 +1,8 @@
-cmake_minimum_required(VERSION 2.8.12)
+cmake_minimum_required(VERSION 3.4)
+
+if(POLICY CMP0025)
+  cmake_policy(SET CMP0046 NEW)

tchaikov

#include <boost/variant.hpp>
#include <iostream>

using namespace boost;
using namespace std;

struct addr_t {
  int i = 42;
  addr_t() = default;
  ~addr_t() noexcept = default;

tchaikov

set(CMAKE_SYSTEM_NAME Linux)
set(CMAKE_SYSTEM_PROCESSOR arm)
set(TOOLCHAIN_PREFIX arm-linux-gnueabihf)

# specify the cross compiler
set(CMAKE_C_COMPILER   /usr/bin/${TOOLCHAIN_PREFIX}-gcc CACHE FILEPATH "CXX cc"))
set(CMAKE_CXX_COMPILER /usr/bin/${TOOLCHAIN_PREFIX}-g++ CACHE FILEPATH "CXX cc")
set(CMAKE_AR /usr/bin/arm-linux-gnueabihf-ar CACHE FILEPATH "Archiver")
# setCMAKE_CXX_LINK_EXECUTABLE ${TOOLCHAIN_PREFIX}-ld)
# set(CMAKE_C_LINK_EXECUTABLE  ${TOOLCHAIN_PREFIX}-ld)

tchaikov

set(CMAKE_SYSTEM_NAME Linux)
set(CMAKE_SYSTEM_PROCESSOR arm)
set(TOOLCHAIN_PREFIX arm-linux-gnueabihf)

# specify the cross compiler
set(CMAKE_C_COMPILER   /usr/bin/${TOOLCHAIN_PREFIX}-gcc CACHE FILEPATH "CXX cc"))
set(CMAKE_CXX_COMPILER /usr/bin/${TOOLCHAIN_PREFIX}-g++ CACHE FILEPATH "CXX cc")
set(CMAKE_AR /usr/bin/arm-linux-gnueabihf-ar CACHE FILEPATH "Archiver")
# setCMAKE_CXX_LINK_EXECUTABLE ${TOOLCHAIN_PREFIX}-ld)
# set(CMAKE_C_LINK_EXECUTABLE  ${TOOLCHAIN_PREFIX}-ld)

tchaikov

import numpy as np
import matplotlib.pyplot as plt
x,y = np.loadtxt('/tmp/b1000.csv',delimiter=',',usecols=[2,3], unpack=True)
hm,xs,ys=np.histogram2d(x, y, bins=50)
extent = [xs[0], xs[-1], ys[0], ys[-1]]
plt.clf()
plt.imshow(hm.T, extent=extent, origin='lower')
plt.show()