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from aiohttp.client_exceptions import ClientError | |
import asyncio | |
from asyncio import Queue | |
from aiohttp.resolver import AsyncResolver | |
import json | |
import os | |
import random | |
from blake3 import blake3 | |
from hashlib import md5 | |
from socket import socketpair |
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from botocore.session import Session | |
credentials_cache = dict() | |
class Session(Session): | |
def __init__(self, role_arn, *args, **kwargs): | |
super().__init__(*args, **kwargs) | |
self._config = dict( | |
profiles=dict( | |
default=dict( |
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#!/bin/bash | |
# Depends on zstd (>1.3.6) and aws-cli | |
set -o errexit | |
set -o nounset | |
set -o pipefail | |
# Set kernel.core_pattern = | coredump_uploader.sh %P %s %E | |
PID=$1 | |
shift | |
SIGNAL=$1 |
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$ sudo -u cassandra jstat -gcutil $(pgrep -f Cassandra) 100ms | |
S0 S1 E O M CCS YGC YGCT FGC FGCT GCT | |
0.00 100.00 100.00 100.00 97.96 95.10 21 8.678 11 140.498 149.176 | |
0.00 100.00 100.00 100.00 97.96 95.10 21 8.678 11 140.498 149.176 | |
0.00 100.00 100.00 100.00 97.96 95.10 21 8.678 11 140.498 149.176 |
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#include <arpa/inet.h> | |
#include <stdio.h> | |
#include <stdlib.h> | |
#include <string.h> | |
#include <sys/types.h> | |
#include <sys/socket.h> | |
#include <sys/un.h> | |
#include <time.h> | |
#include <unistd.h> | |
#include <sys/resource.h> |
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@contextmanager | |
def atomic_temporary_file(destination, *, mode="w+b", flags=0, **kwargs): | |
fd = os.open(destination.parent, os.O_TMPFILE | os.O_RDWR | flags) | |
with io.open(fd, mode, **kwargs) as fh: | |
yield fh | |
os.link("/proc/self/fd/{}".format(fd), str(destination), src_dir_fd=0) |
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from fractions import Fraction as f | |
def factors_of_two(n): | |
return n & ~(n - 1) | |
def _tokens_slice(count, zones): | |
# We cannot have zones be a multiple of two and also have tokens with | |
# equal spacing from each other. |
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#!/usr/bin/fakeroot /bin/bash | |
set -o errexit | |
set -o nounset | |
set -o pipefail | |
OUTFILE=$2.squashfs | |
TMPDIR=$(mktemp -d -p .) | |
cleanup() { | |
rm -fr $TMPDIR | |
} |
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#!/bin/bash | |
set -x | |
set -o errexit | |
set -o nounset | |
set -o pipefail | |
function poweroff_before_panic { | |
poweroff -f | |
} | |
trap poweroff_before_panic EXIT |
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import java.io.IOException; | |
import java.lang.Runnable; | |
import java.nio.file.Files; | |
import java.nio.file.Paths; | |
import java.util.concurrent.Executors; | |
import java.util.concurrent.ExecutorService; | |
import java.util.concurrent.ThreadFactory; | |
public class CGroupThreads { | |
static class CGThread extends Thread { |