gburd

# Documentation for HAProxy
#   http://code.google.com/p/haproxy-docs/w/list
#   http://haproxy.1wt.eu/download/1.2/doc/architecture.txt

# NOTES:
#   open files limits need to be > 256000, use ulimit -n to set (on most POSIX systems)

global
        log 127.0.0.1     local0
        log 127.0.0.1     local1 notice

gburd

-module(timeit).
-compile(export_all).

%% @doc Dynamically add timing to MFA.  There are various types of
%% timing.
%%
%% all - time latency of all calls to MFA
%%
%% {sample, N, Max} - sample every N calls and stop sampling after Max
%%

rzezeski

#!/usr/bin/env escript
%% -*- erlang -*-

-include_lib("kernel/include/file.hrl").
-compile(export_all).
-define(LOG(S), io:format(S)).
-define(LOG(S,A), io:format(S,A)).

main(Dirs) ->
    CodePath = case os:getenv("RIAK_LIB") of

kellymclaughlin

PBStatusFun = fun() ->
                      VnodePids = [Pid || {_, Pid} <- riak_core_vnode_manager:all_index_pid(riak_kv_vnode)],
                      Links = [process_info(Pid, [links]) || Pid <- VnodePids],
                      WorkerPoolPids = [WPPid || [{links,[_, WPPid]}] <- Links],
                      WorkerPoolLinks = [process_info(Pid, [links]) || Pid <- WorkerPoolPids],
                      PoolboyPids = [PoolboyPid || [{links,[_, PoolboyPid]}] <- WorkerPoolLinks],
                      [poolboy:status(Pid) || Pid <- PoolboyPids]
              end.

PBStatusFun = fun(Index) ->

freerobby

# This function uses net::http streaming and the Riak HTTP endpoint
# to export all keys in a riak bucket into a newline-delimited file.
 
require 'json'
require 'net/http'
 
RIAK_ROOT = 'http://localhost:8098'
 
# bucket: The bucket to export
# path: The folder into which to put the output file

cdahlqvist

%% -------------------------------------------------------------------
%%
%% pb_status_monitor: PoolBoy pool monitor
%%
%% Copyright (c) 2013 Basho Technologies, Inc. All Rights Reserved.
%%
%% This file is provided to you under the Apache License,
%% Version 2.0 (the "License"); you may not use this file
%% except in compliance with the License.  You may obtain
%% a copy of the License at

macintux

#!/usr/bin/perl -w

use strict;
use warnings;

sub usage {
    my ($errmsg) = @_;
    my $msg = <<END;
Usage: split-info <info file> <output directory>

macintux

• https://ferd.ca/a-distributed-systems-reading-list.html
• http://the-paper-trail.org/blog/distributed-systems-theory-for-the-distributed-systems-engineer/
• https://github.com/palvaro/CMPS290S-Winter16/blob/master/readings.md
• http://muratbuffalo.blogspot.com/2015/12/my-distributed-systems-seminars-reading.html
• http://christophermeiklejohn.com/distributed/systems/2013/07/12/readings-in-distributed-systems.html
• http://michaelrbernste.in/2013/11/06/distributed-systems-archaeology-works-cited.html
• http://rxin.github.io/db-readings/
• http://research.microsoft.com/en-us/um/people/lamport/pubs/pubs.html
• http://pdos.csail.mit.edu/dsrg/papers/
• http://scalingsystems.com/2011/09/07/reading-list-for-distributed-systems/

mranney

dtrace -n 'syscall::writev:entry /execname == "node" && arg2 > 16/ { printf("iovcnt: %d", arg2); }' -n 'syscall::writev:return /execname == "node" && arg1 == -1 && errno == 22/ { printf("%s %s %d\\n", curpsinfo->pr_psargs, probefunc, errno); jstack(100, 8000); }'  
  1  10260                     writev:entry iovcnt: 57
  1  10261                    writev:return node --nouse-idle-notification /voxer/server/node_router/node_router.js /voxer/ writev 22\n
              libc.so.1`__writev+0x15
              node`uv__write.part.5+0x18f
              node`uv_write2+0x1b9
              node`uv_write+0x35
              node`_ZN4node10StreamWrap6WritevERKN2v89ArgumentsE+0x678
              node`_ZN2v88internalL21Builtin_HandleApiCallENS0_12_GLOBAL__N_116BuiltinArgumentsILNS0_21BuiltinExtraArgumentsE1EEEPNS0_7IsolateE+0x157
              << internal code >>

lukebakken

Testing Notes

At this time only the protocol buffers client supports client certificates. HTTP is not supported.

Setup

Setting up a Root CA

It is necessary to set up a Root Certificate authority to be able to create and sign certificates.