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View gist:10009745
package main
import (
pavel-odintsov / gist:11140995
Last active Aug 29, 2015
Code for checking direct io ability for FS
View gist:11140995
#include <stdio.h>
#include <stdlib.h>
#include <fcntl.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <errno.h>
#include <string.h>
pavel-odintsov / gist:305482e2cdfddf5bbdf6
Last active Aug 29, 2015
/etc/init.d/vz parallels startup
View gist:305482e2cdfddf5bbdf6
. /usr/libexec/vzctl/scripts/initd-functions
# Get CT list which we need start
velist=`vzlist -aH -octid,onboot | awk '$2 == "yes" {print $1}'`
View gist:e4a3cd655f51fa7f99b8
use warnings;
use strict;
my $command = $ARGV[0] || '';
open my $log, ">>", '/var/log/bind_speedup.log';
print {$log} "command: $command @ARGV\n";
View gist:7813f50ee2f8dc1ef467
LoadModule passenger_module /usr/lib/ruby/gems/1.8/gems/passenger-4.0.44/buildout/apache2/
<IfModule mod_passenger.c>
PassengerRoot /usr/lib/ruby/gems/1.8/gems/passenger-4.0.44
PassengerDefaultRuby /usr/bin/ruby
View gist:386956e25f886ba214fe
# And the passenger performance tuning settings:
PassengerHighPerformance On
# Set this to about 1.5 times the number of CPU cores in your master:
PassengerMaxPoolSize 12
# Recycle master processes after they service 1000 requests
PassengerMaxRequests 1000
# Stop processes if they sit idle for 10 minutes
PassengerPoolIdleTime 600
Listen 8140
pavel-odintsov / 0001-Fixes-from-Dropbox.patch
Created Jun 11, 2014
Diff between dropbox librsync and original librsync because DropBox do not contribute changes back
View 0001-Fixes-from-Dropbox.patch
From 30a169954dc0c1e337e34cedb49817eae9d4e074 Mon Sep 17 00:00:00 2001
From: Pavel Odintsov <>
Date: Wed, 11 Jun 2014 18:04:51 +0400
Subject: [PATCH] Fixes from Dropbox
buf.c | 69 +++++++++++++++++++++++++++++++++---------------------------
buf.h | 2 +-
delta.c | 25 ++++++++++-----------
fileutil.h | 2 -
View gist:62f372c882c83d85ed17
#include <pfring.h>
#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
#include <string.h>
#include <unistd.h>
// this code compiles correctly with this command: gcc test_pf_ring.c -lpfring -lpcap -lnuma -lrt
int main() {
pavel-odintsov / cat_page_cache_safe.go
Created Jun 19, 2014
Tool like cat but without poisoning page cache with O_DIRECT
View cat_page_cache_safe.go
package main
import ""
import "os"
import "log"
import "io"
// Author:
// Tool like cat but without poisoning page cache with O_DIRECT
pavel-odintsov / pcs_kcare
Created Jun 25, 2014
kcare on Parallels Cloud Server PCS
View pcs_kcare
[5564163.777187] kcare: registered device with node 10:54
[5564164.960694] kcare: allocated 95568 bytes for patch at ffffc90040f07000
[5564164.960747] kcare: verifying patch...
[5564164.960748] kcare: verified successfully
[5564164.960750] kcare: allocating memory in module space...
[5564164.960835] kcare: allocated 95568 bytes at ffffffffa0544000
[5564164.960852] kcare: 935 relocations to fixup...
[5564164.960869] kcare: fixed 935 relocations
[5564164.960872] kcare: jumping to ffffffffa054a8f0
[5564164.960877] kpatch: starting at ffffffffa0544000 (Linux version 2.6.32-042stab088.4 (root@rh6-build-x64) (gcc version 4.4.6 20120305 (Red Hat 4.4.6-4) (GCC) ) #1 SMP Thu Apr 3 17:41:05 MSK 2014, ts 1403632506)...
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