Sergei Mamonov mrqwer88

mrqwer88 / cl_clean.yaml

Last active May 17, 2020 17:52

clean old partitions in clickhouse

	databases:
	- logs: 7
	- vms: 9
	- statistics: 20

	connect_line: '127.0.0.1'
	log_file: 'cl_clean_partitions.log'

mrqwer88 / ksm.sysconfig

Created October 3, 2017 14:50

ksmctl from rhel ksm packages with added default params support

	# The maximum number of unswappable kernel pages
	# which may be allocated by ksm (0 for unlimited)
	# If unset, defaults to half of total memory
	# KSM_MAX_KERNEL_PAGES=
	# KSM_SLEEP_MSECS=20
	# KSM_PAGES_TO_SCAN=100
	# KSM_MERGE_ACROSS_NODES=1
	# KSM_MAX_PAGE_SHARING=256
	# KSM_USE_ZERO_PAGES=0

mrqwer88 / buddyinfo.pl

Created April 25, 2017 10:34

Script for parse /proc/buddyinfo

	#!/usr/bin/perl

	use strict;
	use warnings;

	my $page_size = `getconf PAGE_SIZE 2>&1`;

	if ( $? ) {
	die "Cannot get page_size with error - $page_size\n";
	}

mrqwer88 / go-carbon.service

Last active December 3, 2015 13:18

	[Unit]
	Description=go-carbon server daemon
	After=network.target
	Requires=network.target

	[Service]
	User=_graphite
	PIDFile=/run/gocarbon.pid
	ExecStart=/usr/local/bin/go-carbon --config /usr/local/etc/carbon.conf --daemon -pidfile /run/gocarbon.pid

mrqwer88 / dns_sniffer.go

Last active December 24, 2015 13:17

	package main

	import "fmt"
	import "sort"
	import "strings"

	import (
	"code.google.com/p/getopt"
	"github.com/google/gopacket"
	"github.com/google/gopacket/layers"

mrqwer88 / gist:33ad4043a7ac297de218

Created February 13, 2015 10:47

strace.docker.start.564

	strace -ff -s 1024 -p 564
	Process 564 attached with 8 threads
	[pid 731] futex(0xc2082049f0, FUTEX_WAIT, 0, NULL <unfinished ...>
	[pid 570] restart_syscall(<... resuming interrupted call ...> <unfinished ...>
	[pid 569] epoll_wait(6, <unfinished ...>
	[pid 568] futex(0xc2080772f0, FUTEX_WAIT, 0, NULL <unfinished ...>
	[pid 567] futex(0x110b360, FUTEX_WAIT, 0, NULL <unfinished ...>
	[pid 566] futex(0xc2080769f0, FUTEX_WAIT, 0, NULL <unfinished ...>
	[pid 565] futex(0x110b6d8, FUTEX_WAIT, 0, NULL <unfinished ...>
	[pid 564] futex(0x110c630, FUTEX_WAIT, 0, NULL <unfinished ...>

mrqwer88 / strace.docker.1078

Created February 12, 2015 21:07

strace docker demon when it try start start container on 2.6.32-042stab105.4 in container

	[root@dedic /]# ps aux \| grep docker
	root 1078 0.0 0.1 371924 7756 ? Ssl 13:50 0:00 /usr/bin/docker -d --selinux-enabled -s vfs -b eth0
	root 4476 0.0 0.0 9000 824 pts/1 S+ 16:00 0:00 grep --color=auto docker
	[root@dedic /]# strace -s 1024 -p 1078
	Process 1078 attached
	futex(0x110c630, FUTEX_WAIT, 0, NULL^CProcess 1078 detached
	<detached ...>
	[root@dedic /]# strace -ff -s 1024 -p 1078
	Process 1078 attached with 7 threads
	[pid 1083] futex(0xc208079770, FUTEX_WAIT, 0, NULL <unfinished ...>