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[ HOME SHELL ]
Name
Size
Permission
Action
7za
46
B
-rwxr-xr-x
GET
15.84
KB
-rwxr-xr-x
Mail
408.89
KB
-rwxr-xr-x
[
53.67
KB
-rwxr-xr-x
aclocal
35.62
KB
-rwxr-xr-x
aclocal-1.16
35.62
KB
-rwxr-xr-x
addr2line
33.41
KB
-rwxr-xr-x
animate
11.84
KB
-rwxr-xr-x
ar
61.96
KB
-rwxr-xr-x
arch
37.41
KB
-rwxr-xr-x
arpaname
11.82
KB
-rwxr-xr-x
as
889.91
KB
-rwxr-xr-x
aspell
159.5
KB
-rwxr-xr-x
at
1.01
KB
-rwxr-xr-x
atq
1.01
KB
-rwxr-xr-x
atrm
1.02
KB
-rwxr-xr-x
autoconf
14.42
KB
-rwxr-xr-x
autoheader
8.33
KB
-rwxr-xr-x
autom4te
31.43
KB
-rwxr-xr-x
automake
251.9
KB
-rwxr-xr-x
automake-1.16
251.9
KB
-rwxr-xr-x
autoreconf
20.57
KB
-rwxr-xr-x
autoscan
16.72
KB
-rwxr-xr-x
autoupdate
33.08
KB
-rwxr-xr-x
awk
669.77
KB
-rwxr-xr-x
b2sum
57.76
KB
-rwxr-xr-x
base32
41.55
KB
-rwxr-xr-x
base64
41.56
KB
-rwxr-xr-x
basename
37.49
KB
-rwxr-xr-x
bash
1.1
MB
-rwxr-xr-x
bashbug-64
7.18
KB
-rwxr-xr-x
batch
137
B
-rwxr-xr-x
bison
437.72
KB
-rwxr-xr-x
bunzip2
36.86
KB
-rwxr-xr-x
bzcat
36.86
KB
-rwxr-xr-x
bzcmp
2.08
KB
-rwxr-xr-x
bzdiff
2.08
KB
-rwxr-xr-x
bzgrep
1.64
KB
-rwxr-xr-x
bzip2
36.86
KB
-rwxr-xr-x
bzip2recover
16.44
KB
-rwxr-xr-x
bzless
1.23
KB
-rwxr-xr-x
bzmore
1.23
KB
-rwxr-xr-x
c++
1.21
MB
-rwxr-x---
c++filt
28.89
KB
-rwxr-xr-x
c89
224
B
-rwxr-x---
c99
215
B
-rwxr-x---
cagefs_enter.proxied
1.03
KB
-rwxr-xr-x
cal
65.98
KB
-rwxr-xr-x
captoinfo
85.31
KB
-rwxr-xr-x
cat
37.54
KB
-rwxr-xr-x
catchsegv
3.21
KB
-rwxr-xr-x
cc
1.21
MB
-rwxr-x---
chcon
70.43
KB
-rwxr-xr-x
chgrp
66.35
KB
-rwxr-xr-x
chmod
62.29
KB
-rwxr-xr-x
chown
70.39
KB
-rwxr-xr-x
chrt
37.18
KB
-rwxr-xr-x
cksum
37.46
KB
-rwxr-xr-x
cldetect
10.35
KB
-rwxr-xr-x
clear
12.54
KB
-rwxr-xr-x
clusterdb
70.23
KB
-rwxr-xr-x
cmp
103.76
KB
-rwxr-xr-x
col
29
KB
-rwxr-xr-x
colcrt
16.48
KB
-rwxr-xr-x
colrm
24.88
KB
-rwxr-xr-x
column
49.47
KB
-rwxr-xr-x
comm
41.63
KB
-rwxr-xr-x
compare
11.85
KB
-rwxr-xr-x
composite
11.84
KB
-rwxr-xr-x
conjure
11.84
KB
-rwxr-xr-x
convert
11.84
KB
-rwxr-xr-x
cp
148.05
KB
-rwxr-xr-x
cpan
8.17
KB
-rwxr-xr-x
cpp
1.21
MB
-rwxr-xr-x
createdb
70.22
KB
-rwxr-xr-x
createuser
74.63
KB
-rwxr-xr-x
crontab
1.49
KB
-rwxr-xr-x
crontab.cagefs
54.16
KB
-rwxr-xr-x
csplit
53.76
KB
-rwxr-xr-x
curl
230.09
KB
-rwxr-xr-x
cut
49.59
KB
-rwxr-xr-x
date
106.03
KB
-rwxr-xr-x
dbiprof
6.06
KB
-rwxr-xr-x
dd
78.05
KB
-rwxr-xr-x
delv
42.46
KB
-rwxr-xr-x
df
91.16
KB
-rwxr-xr-x
diff
268.01
KB
-rwxr-xr-x
diff3
128.6
KB
-rwxr-xr-x
dig
162.19
KB
-rwxr-xr-x
dir
139.97
KB
-rwxr-xr-x
dircolors
49.63
KB
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dirname
33.44
KB
-rwxr-xr-x
display
11.84
KB
-rwxr-xr-x
dnstap-read
20.43
KB
-rwxr-xr-x
dropdb
66.02
KB
-rwxr-xr-x
dropuser
65.99
KB
-rwxr-xr-x
du
107.1
KB
-rwxr-xr-x
echo
37.43
KB
-rwxr-xr-x
egrep
28
B
-rwxr-xr-x
enc2xs
40.97
KB
-rwxr-xr-x
enchant
21.08
KB
-rwxr-xr-x
enchant-lsmod
13.09
KB
-rwxr-xr-x
env
41.43
KB
-rwxr-xr-x
eps2eps
639
B
-rwxr-xr-x
eqn
232.16
KB
-rwxr-xr-x
ex
1.13
MB
-rwxr-xr-x
expand
41.66
KB
-rwxr-xr-x
expr
49.65
KB
-rwxr-xr-x
factor
86.05
KB
-rwxr-xr-x
false
33.39
KB
-rwxr-xr-x
fc-cache
132
B
-rwxr-xr-x
fc-cache-64
20.35
KB
-rwxr-xr-x
fc-cat
16.35
KB
-rwxr-xr-x
fc-conflist
12.25
KB
-rwxr-xr-x
fc-list
12.25
KB
-rwxr-xr-x
fc-match
16.26
KB
-rwxr-xr-x
fc-pattern
12.26
KB
-rwxr-xr-x
fc-query
12.24
KB
-rwxr-xr-x
fc-scan
12.26
KB
-rwxr-xr-x
fc-validate
16.26
KB
-rwxr-xr-x
fgrep
28
B
-rwxr-xr-x
file
24.68
KB
-rwxr-xr-x
find
223.3
KB
-rwxr-xr-x
flex
428.45
KB
-rwxr-xr-x
flex++
428.45
KB
-rwxr-xr-x
flock
33.2
KB
-rwxr-xr-x
fmt
45.57
KB
-rwxr-xr-x
fold
41.48
KB
-rwxr-xr-x
free
20.79
KB
-rwxr-xr-x
freetype-config
4.31
KB
-rwxr-xr-x
funzip
36.63
KB
-rwxr-xr-x
g++
1.21
MB
-rwxr-x---
gawk
669.77
KB
-rwxr-xr-x
gcc
1.21
MB
-rwxr-x---
gcc-ar
36.66
KB
-rwxr-xr-x
gcc-nm
36.66
KB
-rwxr-xr-x
gcc-ranlib
36.66
KB
-rwxr-xr-x
gcov
1.31
MB
-rwxr-xr-x
gcov-dump
570.88
KB
-rwxr-xr-x
gcov-tool
607.75
KB
-rwxr-xr-x
gem
542
B
-rwxr-xr-x
gencat
24.84
KB
-rwxr-xr-x
geoiplookup
21.89
KB
-rwxr-xr-x
geoiplookup6
21.65
KB
-rwxr-xr-x
geqn
232.16
KB
-rwxr-xr-x
getconf
32.46
KB
-rwxr-xr-x
getent
33.13
KB
-rwxr-xr-x
getopt
20.52
KB
-rwxr-xr-x
ghostscript
12.35
KB
-rwxr-xr-x
git
3.67
MB
-rwxr-xr-x
git-receive-pack
3.67
MB
-rwxr-xr-x
git-shell
2.13
MB
-rwxr-xr-x
git-upload-archive
3.67
MB
-rwxr-xr-x
git-upload-pack
3.67
MB
-rwxr-xr-x
gm
7.82
KB
-rwxr-xr-x
gmake
235.32
KB
-rwxr-xr-x
gneqn
908
B
-rwxr-xr-x
gnroff
3.23
KB
-rwxr-xr-x
gpg
1.04
MB
-rwxr-xr-x
gpg-agent
419.29
KB
-rwxr-xr-x
gpg-error
34.16
KB
-rwxr-xr-x
gpg-zip
3.44
KB
-rwxr-xr-x
gpgsplit
87.02
KB
-rwxr-xr-x
gpgv
451.58
KB
-rwxr-xr-x
gpic
293.84
KB
-rwxr-xr-x
gprof
103.36
KB
-rwxr-xr-x
grep
193.63
KB
-rwxr-xr-x
groff
124.92
KB
-rwxr-xr-x
grops
191.14
KB
-rwxr-xr-x
grotty
141.9
KB
-rwxr-xr-x
groups
37.47
KB
-rwxr-xr-x
gs
12.35
KB
-rwxr-xr-x
gsnd
277
B
-rwxr-xr-x
gsoelim
42.55
KB
-rwxr-xr-x
gtar
448.99
KB
-rwxr-xr-x
gtbl
154.61
KB
-rwxr-xr-x
gtroff
805.02
KB
-rwxr-xr-x
gunzip
2.29
KB
-rwxr-xr-x
gzexe
6.23
KB
-rwxr-xr-x
gzip
94.67
KB
-rwxr-xr-x
h2ph
28.69
KB
-rwxr-xr-x
h2xs
59.44
KB
-rwxr-xr-x
head
45.58
KB
-rwxr-xr-x
hexdump
57.5
KB
-rwxr-xr-x
host
142.3
KB
-rwxr-xr-x
hostid
33.41
KB
-rwxr-xr-x
hostname
21.16
KB
-rwxr-xr-x
hunspell
144.7
KB
-rwxr-xr-x
iconv
61.44
KB
-rwxr-xr-x
id
45.52
KB
-rwxr-xr-x
identify
11.84
KB
-rwxr-xr-x
idn
39.41
KB
-rwxr-xr-x
ifnames
4.03
KB
-rwxr-xr-x
import
11.84
KB
-rwxr-xr-x
infocmp
61.05
KB
-rwxr-xr-x
infotocap
85.31
KB
-rwxr-xr-x
install
156.25
KB
-rwxr-xr-x
instmodsh
4.1
KB
-rwxr-xr-x
ionice
28.98
KB
-rwxr-xr-x
ipcrm
28.99
KB
-rwxr-xr-x
ipcs
53.39
KB
-rwxr-xr-x
isosize
24.88
KB
-rwxr-xr-x
ispell
988
B
-rwxr-xr-x
join
53.77
KB
-rwxr-xr-x
kill
37.27
KB
-rwxr-xr-x
ld
1.71
MB
-rwxr-x---
ld.bfd
1.71
MB
-rwxr-x---
ldd
5.31
KB
-rwxr-xr-x
less
173.76
KB
-rwxr-xr-x
lessecho
12.4
KB
-rwxr-xr-x
lesskey
21.99
KB
-rwxr-xr-x
lesspipe.sh
3.07
KB
-rwxr-xr-x
lex
428.45
KB
-rwxr-xr-x
libnetcfg
15.41
KB
-rwxr-xr-x
libtool
359.11
KB
-rwxr-xr-x
libtoolize
126.17
KB
-rwxr-xr-x
link
33.41
KB
-rwxr-xr-x
ln
70.57
KB
-rwxr-xr-x
locale
56.45
KB
-rwxr-xr-x
localedef
307.47
KB
-rwxr-xr-x
logger
49.98
KB
-rwxr-xr-x
login
40.96
KB
-rwxr-xr-x
logname
33.42
KB
-rwxr-xr-x
look
16.45
KB
-rwxr-xr-x
ls
139.97
KB
-rwxr-xr-x
lynx
1.84
MB
-rwxr-xr-x
m4
185.56
KB
-rwxr-xr-x
mail
408.89
KB
-rwxr-xr-x
mailx
408.89
KB
-rwxr-xr-x
make
235.32
KB
-rwxr-xr-x
make-dummy-cert
610
B
-rwxr-xr-x
mariadb
4.34
MB
-rwxr-xr-x
mariadb-access
109.34
KB
-rwxr-xr-x
mariadb-admin
3.88
MB
-rwxr-xr-x
mariadb-binlog
4.14
MB
-rwxr-xr-x
mariadb-check
3.88
MB
-rwxr-xr-x
mariadb-conv
3.59
MB
-rwxr-xr-x
mariadb-convert-table-format
4.12
KB
-rwxr-xr-x
mariadb-dump
3.96
MB
-rwxr-xr-x
mariadb-dumpslow
8.05
KB
-rwxr-xr-x
mariadb-embedded
22.59
MB
-rwxr-xr-x
mariadb-find-rows
3.21
KB
-rwxr-xr-x
mariadb-hotcopy
34.15
KB
-rwxr-xr-x
mariadb-import
3.87
MB
-rwxr-xr-x
mariadb-plugin
3.57
MB
-rwxr-xr-x
mariadb-secure-installation
13.49
KB
-rwxr-xr-x
mariadb-setpermission
17.56
KB
-rwxr-xr-x
mariadb-show
3.87
MB
-rwxr-xr-x
mariadb-slap
3.89
MB
-rwxr-xr-x
mariadb-tzinfo-to-sql
3.57
MB
-rwxr-xr-x
mariadb-waitpid
3.55
MB
-rwxr-xr-x
mc
1.3
MB
-rwxr-xr-x
mcdiff
1.3
MB
-rwxr-xr-x
mcedit
1.3
MB
-rwxr-xr-x
mcookie
33.26
KB
-rwxr-xr-x
mcview
1.3
MB
-rwxr-xr-x
md5sum
45.62
KB
-rwxr-xr-x
mesg
16.36
KB
-rwxr-xr-x
mkdir
82.79
KB
-rwxr-xr-x
mkfifo
66.56
KB
-rwxr-xr-x
mknod
70.55
KB
-rwxr-xr-x
mktemp
45.73
KB
-rwxr-xr-x
mogrify
11.84
KB
-rwxr-xr-x
montage
11.84
KB
-rwxr-xr-x
more
44.94
KB
-rwxr-xr-x
msql2mysql
1.41
KB
-rwxr-xr-x
mv
144.03
KB
-rwxr-xr-x
my_print_defaults
3.56
MB
-rwxr-xr-x
mysql
4.34
MB
-rwxr-xr-x
mysql_config
4.51
KB
-rwxr-xr-x
mysql_find_rows
3.21
KB
-rwxr-xr-x
mysql_waitpid
3.55
MB
-rwxr-xr-x
mysqlaccess
109.34
KB
-rwxr-xr-x
mysqladmin
3.88
MB
-rwxr-xr-x
mysqlbinlog
4.14
MB
-rwxr-xr-x
mysqlcheck
3.88
MB
-rwxr-xr-x
mysqldump
3.96
MB
-rwxr-xr-x
mysqlimport
3.87
MB
-rwxr-xr-x
mysqlshow
3.87
MB
-rwxr-xr-x
mytop
71.95
KB
-rwxr-xr-x
namei
33.1
KB
-rwxr-xr-x
nano
247.94
KB
-rwxr-xr-x
neqn
908
B
-rwxr-xr-x
nice
37.41
KB
-rwxr-xr-x
nl
45.63
KB
-rwxr-xr-x
nm
50.38
KB
-rwxr-xr-x
nohup
37.48
KB
-rwxr-xr-x
nproc
37.48
KB
-rwxr-xr-x
nroff
3.23
KB
-rwxr-xr-x
nslookup
146.26
KB
-rwxr-xr-x
nsupdate
73.05
KB
-rwxr-xr-x
numfmt
65.71
KB
-rwxr-xr-x
objcopy
240.07
KB
-rwxr-xr-x
objdump
419.76
KB
-rwxr-xr-x
od
73.88
KB
-rwxr-xr-x
openssl
745.95
KB
-rwxr-xr-x
pango-list
11.88
KB
-rwxr-xr-x
pango-view
57.44
KB
-rwxr-xr-x
passwd
1.02
KB
-rwxr-xr-x
paste
37.46
KB
-rwxr-xr-x
patch
206.46
KB
-rwxr-xr-x
pathchk
37.41
KB
-rwxr-xr-x
pdf2dsc
698
B
-rwxr-xr-x
pdf2ps
909
B
-rwxr-xr-x
perl
12.44
KB
-rwxr-xr-x
perl5.26.3
12.44
KB
-rwxr-xr-x
perlbug
44.39
KB
-rwxr-xr-x
perldoc
118
B
-rwxr-xr-x
perlivp
10.56
KB
-rwxr-xr-x
perlml
6.86
KB
-rwxr-xr-x
perlthanks
44.39
KB
-rwxr-xr-x
pg_dump
399.43
KB
-rwxr-xr-x
pg_dumpall
107.11
KB
-rwxr-xr-x
pg_restore
173.34
KB
-rwxr-xr-x
pgrep
28.84
KB
-rwxr-xr-x
php
937
B
-rwxr-xr-x
pic
293.84
KB
-rwxr-xr-x
piconv
8.08
KB
-rwxr-xr-x
pinentry
2.35
KB
-rwxr-xr-x
pinentry-curses
77.89
KB
-rwxr-xr-x
ping
66.13
KB
-rwxr-xr-x
pinky
41.53
KB
-rwxr-xr-x
pkg-config
40.04
KB
-rwxr-xr-x
pkgconf
40.04
KB
-rwxr-xr-x
pkill
28.84
KB
-rwxr-xr-x
pl2pm
4.43
KB
-rwxr-xr-x
pmap
32.78
KB
-rwxr-xr-x
pod2html
4.04
KB
-rwxr-xr-x
pod2man
14.68
KB
-rwxr-xr-x
pod2text
10.55
KB
-rwxr-xr-x
pod2usage
3.86
KB
-rwxr-xr-x
podchecker
3.57
KB
-rwxr-xr-x
podselect
2.47
KB
-rwxr-xr-x
post-grohtml
238.73
KB
-rwxr-xr-x
pr
82.23
KB
-rwxr-xr-x
pre-grohtml
130.55
KB
-rwxr-xr-x
precat
5.52
KB
-rwxr-xr-x
preunzip
5.52
KB
-rwxr-xr-x
prezip
5.52
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Code Editor : mariadb-hotcopy
#!/usr/bin/perl # Copyright (c) 2000, 2017, Oracle and/or its affiliates. # # This program is free software; you can redistribute it and/or # modify it under the terms of the GNU Library General Public # License as published by the Free Software Foundation; version 2 # of the License. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU # Library General Public License for more details. # # You should have received a copy of the GNU Library General Public # License along with this library; if not, write to the Free # Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, # MA 02110-1335 USA use strict; use Getopt::Long; use Data::Dumper; use File::Basename; use File::Path; use DBI; use Sys::Hostname; use File::Copy; use File::Temp qw(tempfile); =head1 NAME mysqlhotcopy - fast on-line hot-backup utility for local MySQL databases and tables =head1 SYNOPSIS mysqlhotcopy db_name mysqlhotcopy --suffix=_copy db_name_1 ... db_name_n mysqlhotcopy db_name_1 ... db_name_n /path/to/new_directory mysqlhotcopy db_name./regex/ mysqlhotcopy db_name./^\(foo\|bar\)/ mysqlhotcopy db_name./~regex/ mysqlhotcopy db_name_1./regex_1/ db_name_1./regex_2/ ... db_name_n./regex_n/ /path/to/new_directory mysqlhotcopy --method='scp -Bq -i /usr/home/foo/.ssh/identity' --user=root --password=secretpassword \ db_1./^nice_table/ user@some.system.dom:~/path/to/new_directory WARNING: THIS PROGRAM IS STILL IN BETA. Comments/patches welcome. =cut # Documentation continued at end of file # fix CORE::GLOBAL::die to return a predictable exit code BEGIN { *CORE::GLOBAL::die= sub { warn @_; exit 1; }; } my $VERSION = "1.23"; my $opt_tmpdir = $ENV{TMPDIR} || "/tmp"; my $OPTIONS = <<"_OPTIONS"; $0 Ver $VERSION Usage: $0 db_name[./table_regex/] [new_db_name | directory] -?, --help display this help-screen and exit -u, --user=# user for database login if not current user -p, --password=# password to use when connecting to server (if not set in my.cnf, which is recommended) -h, --host=# hostname for local server when connecting over TCP/IP -P, --port=# port to use when connecting to local server with TCP/IP -S, --socket=# socket to use when connecting to local server --old_server connect to old MySQL-server (before v5.5) which doesn't have FLUSH TABLES WITH READ LOCK fully implemented. --allowold don\'t abort if target dir already exists (rename it _old) --addtodest don\'t rename target dir if it exists, just add files to it --keepold don\'t delete previous (now renamed) target when done --noindices don\'t include full index files in copy --method=# method for copy (only "cp" currently supported) -q, --quiet be silent except for errors --debug enable debug -n, --dryrun report actions without doing them --regexp=# copy all databases with names matching regexp --suffix=# suffix for names of copied databases --checkpoint=# insert checkpoint entry into specified db.table --flushlog flush logs once all tables are locked --resetmaster reset the binlog once all tables are locked --resetslave reset the master.info once all tables are locked --tmpdir=# temporary directory (instead of $opt_tmpdir) --record_log_pos=# record slave and master status in specified db.table --chroot=# base directory of chroot jail in which mysqld operates Try \'perldoc $0\' for more complete documentation _OPTIONS sub usage { die @_, $OPTIONS; } # Do not initialize user or password options; that way, any user/password # options specified in option files will be used. If no values are specified # at all, the defaults will be used (login name, no password). my %opt = ( noindices => 0, allowold => 0, # for safety keepold => 0, method => "cp", flushlog => 0, ); Getopt::Long::Configure(qw(no_ignore_case)); # disambiguate -p and -P GetOptions( \%opt, "help", "host|h=s", "user|u=s", "password|p=s", "port|P=s", "socket|S=s", "old_server", "allowold!", "keepold!", "addtodest!", "noindices!", "method=s", "debug", "quiet|q", "mv!", "regexp=s", "suffix=s", "checkpoint=s", "record_log_pos=s", "flushlog", "resetmaster", "resetslave", "tmpdir|t=s", "dryrun|n", "chroot=s", ) or usage("Invalid option"); # @db_desc # ========== # a list of hash-refs containing: # # 'src' - name of the db to copy # 't_regex' - regex describing tables in src # 'target' - destination directory of the copy # 'tables' - array-ref to list of tables in the db # 'files' - array-ref to list of files to be copied # 'index' - array-ref to list of indexes to be copied # my @db_desc = (); my $tgt_name = undef; usage("") if ($opt{help}); if ( $opt{regexp} || $opt{suffix} || @ARGV > 2 ) { $tgt_name = pop @ARGV unless ( exists $opt{suffix} ); @db_desc = map { s{^([^\.]+)\./(.+)/$}{$1}; { 'src' => $_, 't_regex' => ( $2 ? $2 : '.*' ) } } @ARGV; } else { usage("Database name to hotcopy not specified") unless ( @ARGV ); $ARGV[0] =~ s{^([^\.]+)\./(.+)/$}{$1}; @db_desc = ( { 'src' => $ARGV[0], 't_regex' => ( $2 ? $2 : '.*' ) } ); if ( @ARGV == 2 ) { $tgt_name = $ARGV[1]; } else { $opt{suffix} = "_copy"; } } my %mysqld_vars; my $start_time = time; $opt_tmpdir= $opt{tmpdir} if $opt{tmpdir}; $0 = $1 if $0 =~ m:/([^/]+)$:; $opt{quiet} = 0 if $opt{debug}; $opt{allowold} = 1 if $opt{keepold}; # --- connect to the database --- my $dsn; $dsn = ";host=" . (defined($opt{host}) ? $opt{host} : "localhost"); $dsn .= ";port=$opt{port}" if $opt{port}; $dsn .= ";mariadb_socket=$opt{socket}" if $opt{socket}; # use mariadb_read_default_group=mysqlhotcopy so that [client] and # [mysqlhotcopy] groups will be read from standard options files. my $dbh = DBI->connect("DBI:MariaDB:$dsn;mariadb_read_default_group=mysqlhotcopy", $opt{user}, $opt{password}, { RaiseError => 1, PrintError => 0, AutoCommit => 1, }); # --- check that checkpoint table exists if specified --- if ( $opt{checkpoint} ) { $opt{checkpoint} = quote_names( $opt{checkpoint} ); eval { $dbh->do( qq{ select time_stamp, src, dest, msg from $opt{checkpoint} where 1 != 1} ); }; die "Error accessing Checkpoint table ($opt{checkpoint}): $@" if ( $@ ); } # --- check that log_pos table exists if specified --- if ( $opt{record_log_pos} ) { $opt{record_log_pos} = quote_names( $opt{record_log_pos} ); eval { $dbh->do( qq{ select host, time_stamp, log_file, log_pos, master_host, master_log_file, master_log_pos from $opt{record_log_pos} where 1 != 1} ); }; die "Error accessing log_pos table ($opt{record_log_pos}): $@" if ( $@ ); } # --- get variables from database --- my $sth_vars = $dbh->prepare("show variables like 'datadir'"); $sth_vars->execute; while ( my ($var,$value) = $sth_vars->fetchrow_array ) { $mysqld_vars{ $var } = $value; } my $datadir = $mysqld_vars{'datadir'} || die "datadir not in mysqld variables"; $datadir= $opt{chroot}.$datadir if ($opt{chroot}); $datadir =~ s:/$::; # --- get target path --- my ($tgt_dirname, $to_other_database); $to_other_database=0; if (defined($tgt_name) && $tgt_name =~ m:^\w+$: && @db_desc <= 1) { $tgt_dirname = "$datadir/$tgt_name"; $to_other_database=1; } elsif (defined($tgt_name) && ($tgt_name =~ m:/: || $tgt_name eq '.')) { $tgt_dirname = $tgt_name; } elsif ( $opt{suffix} ) { print "Using copy suffix '$opt{suffix}'\n" unless $opt{quiet}; } else { $tgt_name="" if (!defined($tgt_name)); die "Target '$tgt_name' doesn't look like a database name or directory path.\n"; } # --- resolve database names from regexp --- if ( defined $opt{regexp} ) { my $t_regex = '.*'; if ( $opt{regexp} =~ s{^/(.+)/\./(.+)/$}{$1} ) { $t_regex = $2; } my $sth_dbs = $dbh->prepare("show databases"); $sth_dbs->execute; while ( my ($db_name) = $sth_dbs->fetchrow_array ) { next if $db_name =~ m/^information_schema$/i; push @db_desc, { 'src' => $db_name, 't_regex' => $t_regex } if ( $db_name =~ m/$opt{regexp}/o ); } } # --- get list of tables and views to hotcopy --- my $hc_locks = ""; my $hc_tables = ""; my $hc_base_tables = ""; my $hc_views = ""; my $num_base_tables = 0; my $num_views = 0; my $num_tables = 0; my $num_files = 0; foreach my $rdb ( @db_desc ) { my $db = $rdb->{src}; my @dbh_base_tables = get_list_of_tables( $db ); my @dbh_views = get_list_of_views( $db ); ## filter out certain system non-lockable tables. ## keep in sync with mysqldump. if ($db =~ m/^mysql$/i) { @dbh_base_tables = grep { !/^(apply_status|schema|general_log|slow_log|transaction_registry)$/ } @dbh_base_tables } ## generate regex for tables/files my $t_regex; my $negated; if ($rdb->{t_regex}) { $t_regex = $rdb->{t_regex}; ## assign temporary regex $negated = $t_regex =~ s/^~//; ## note and remove negation operator $t_regex = qr/$t_regex/; ## make regex string from ## user regex ## filter (out) tables specified in t_regex print "Filtering tables with '$t_regex'\n" if $opt{debug}; @dbh_base_tables = ( $negated ? grep { $_ !~ $t_regex } @dbh_base_tables : grep { $_ =~ $t_regex } @dbh_base_tables ); ## filter (out) views specified in t_regex print "Filtering tables with '$t_regex'\n" if $opt{debug}; @dbh_views = ( $negated ? grep { $_ !~ $t_regex } @dbh_views : grep { $_ =~ $t_regex } @dbh_views ); } ## Now concatenate the base table and view arrays. my @dbh_tables = (@dbh_base_tables, @dbh_views); ## get list of files to copy my $db_dir = "$datadir/$db"; opendir(DBDIR, $db_dir ) or die "Cannot open dir '$db_dir': $!"; my %db_files; while ( defined( my $name = readdir DBDIR ) ) { $db_files{$name} = $1 if ( $name =~ /(.+)\.\w+$/ ); } closedir( DBDIR ); unless( keys %db_files ) { warn "'$db' is an empty database\n"; } ## filter (out) files specified in t_regex my @db_files; if ($rdb->{t_regex}) { @db_files = ($negated ? grep { $db_files{$_} !~ $t_regex } keys %db_files : grep { $db_files{$_} =~ $t_regex } keys %db_files ); } else { @db_files = keys %db_files; } @db_files = sort @db_files; my @index_files=(); ## remove indices unless we're told to keep them if ($opt{noindices}) { @index_files= grep { /\.(ISM|MYI)$/ } @db_files; @db_files = grep { not /\.(ISM|MYI)$/ } @db_files; } $rdb->{files} = [ @db_files ]; $rdb->{index} = [ @index_files ]; my @hc_base_tables = map { quote_names("$db.$_") } @dbh_base_tables; my @hc_views = map { quote_names("$db.$_") } @dbh_views; my @hc_tables = (@hc_base_tables, @hc_views); $rdb->{tables} = [ @hc_tables ]; $hc_locks .= ", " if ( length $hc_locks && @hc_tables ); $hc_locks .= join ", ", map { "$_ READ" } @hc_tables; $hc_base_tables .= ", " if ( length $hc_base_tables && @hc_base_tables ); $hc_base_tables .= join ", ", @hc_base_tables; $hc_views .= ", " if ( length $hc_views && @hc_views ); $hc_views .= join " READ, ", @hc_views; @hc_tables = (@hc_base_tables, @hc_views); $num_base_tables += scalar @hc_base_tables; $num_views += scalar @hc_views; $num_tables += $num_base_tables + $num_views; $num_files += scalar @{$rdb->{files}}; } # --- resolve targets for copies --- if (defined($tgt_name) && length $tgt_name ) { # explicit destination directory specified # GNU `cp -r` error message die "copying multiple databases, but last argument ($tgt_dirname) is not a directory\n" if ( @db_desc > 1 && !(-e $tgt_dirname && -d $tgt_dirname ) ); if ($to_other_database) { foreach my $rdb ( @db_desc ) { $rdb->{target} = "$tgt_dirname"; } } elsif ($opt{method} =~ /^scp\b/) { # we have to trust scp to hit the target foreach my $rdb ( @db_desc ) { $rdb->{target} = "$tgt_dirname/$rdb->{src}"; } } else { die "Last argument ($tgt_dirname) is not a directory\n" if (!(-e $tgt_dirname && -d $tgt_dirname ) ); foreach my $rdb ( @db_desc ) { $rdb->{target} = "$tgt_dirname/$rdb->{src}"; } } } else { die "Error: expected \$opt{suffix} to exist" unless ( exists $opt{suffix} ); foreach my $rdb ( @db_desc ) { $rdb->{target} = "$datadir/$rdb->{src}$opt{suffix}"; } } print Dumper( \@db_desc ) if ( $opt{debug} ); # --- bail out if all specified databases are empty --- die "No tables to hot-copy" unless ( length $hc_locks ); # --- create target directories if we are using 'cp' --- my @existing = (); if ($opt{method} =~ /^cp\b/) { foreach my $rdb ( @db_desc ) { push @existing, $rdb->{target} if ( -d $rdb->{target} ); } if ( @existing && !($opt{allowold} || $opt{addtodest}) ) { $dbh->disconnect(); die "Can't hotcopy to '", join( "','", @existing ), "' because directory\nalready exist and the --allowold or --addtodest options were not given.\n" } } retire_directory( @existing ) if @existing && !$opt{addtodest}; foreach my $rdb ( @db_desc ) { my $tgt_dirpath = "$rdb->{target}"; # Remove trailing slashes (needed for Mac OS X) substr($tgt_dirpath, 1) =~ s|/+$||; if ( $opt{dryrun} ) { print "mkdir $tgt_dirpath, 0750\n"; } elsif ($opt{method} =~ /^scp\b/) { ## assume it's there? ## ... } else { mkdir($tgt_dirpath, 0750) or die "Can't create '$tgt_dirpath': $!\n" unless -d $tgt_dirpath; my @f_info= stat "$datadir/$rdb->{src}"; chown $f_info[4], $f_info[5], $tgt_dirpath; } } ############################## # --- PERFORM THE HOT-COPY --- # # Note that we try to keep the time between the LOCK and the UNLOCK # as short as possible, and only start when we know that we should # be able to complete without error. # read lock all the tables we'll be copying # in order to get a consistent snapshot of the database if ( $opt{checkpoint} || $opt{record_log_pos} ) { # convert existing READ lock on checkpoint and/or log_pos table into WRITE lock foreach my $table ( grep { defined } ( $opt{checkpoint}, $opt{record_log_pos} ) ) { $hc_locks .= ", $table WRITE" unless ( $hc_locks =~ s/$table\s+READ/$table WRITE/ ); } } my $hc_started = time; # count from time lock is granted if ( $opt{dryrun} ) { if ( $opt{old_server} ) { print "LOCK TABLES $hc_locks\n"; print "FLUSH TABLES /*!32323 $hc_tables */\n"; } else { # Lock base tables and views separately. print "FLUSH TABLES $hc_base_tables WITH READ LOCK\n" if ( $hc_base_tables ); print "LOCK TABLES $hc_views READ\n" if ( $hc_views ); } print "FLUSH LOGS\n" if ( $opt{flushlog} ); print "RESET MASTER\n" if ( $opt{resetmaster} ); print "RESET SLAVE\n" if ( $opt{resetslave} ); } else { my $start = time; if ( $opt{old_server} ) { $dbh->do("LOCK TABLES $hc_locks"); printf "Locked $num_tables tables in %d seconds.\n", time-$start unless $opt{quiet}; $hc_started = time; # count from time lock is granted # flush tables to make on-disk copy up to date $start = time; $dbh->do("FLUSH TABLES /*!32323 $hc_tables */"); printf "Flushed tables ($hc_tables) in %d seconds.\n", time-$start unless $opt{quiet}; } else { # Lock base tables and views separately, as 'FLUSH TABLES <tbl_name> # ... WITH READ LOCK' (introduced in 5.5) would fail for views. # Also, flush tables to make on-disk copy up to date $dbh->do("FLUSH TABLES $hc_base_tables WITH READ LOCK") if ( $hc_base_tables ); printf "Flushed $num_base_tables tables with read lock ($hc_base_tables) in %d seconds.\n", time-$start unless $opt{quiet}; $start = time; $dbh->do("LOCK TABLES $hc_views READ") if ( $hc_views ); printf "Locked $num_views views ($hc_views) in %d seconds.\n", time-$start unless $opt{quiet}; $hc_started = time; # count from time lock is granted } $dbh->do( "FLUSH LOGS" ) if ( $opt{flushlog} ); $dbh->do( "RESET MASTER" ) if ( $opt{resetmaster} ); $dbh->do( "RESET SLAVE" ) if ( $opt{resetslave} ); if ( $opt{record_log_pos} ) { record_log_pos( $dbh, $opt{record_log_pos} ); $dbh->do("FLUSH TABLES /*!32323 $hc_tables */"); } } my @failed = (); foreach my $rdb ( @db_desc ) { my @files = map { "$datadir/$rdb->{src}/$_" } @{$rdb->{files}}; next unless @files; eval { copy_files($opt{method}, \@files, $rdb->{target}); }; push @failed, "$rdb->{src} -> $rdb->{target} failed: $@" if ( $@ ); @files = @{$rdb->{index}}; if ($rdb->{index}) { copy_index($opt{method}, \@files, "$datadir/$rdb->{src}", $rdb->{target} ); } if ( $opt{checkpoint} ) { my $msg = ( $@ ) ? "Failed: $@" : "Succeeded"; eval { $dbh->do( qq{ insert into $opt{checkpoint} (src, dest, msg) VALUES ( '$rdb->{src}', '$rdb->{target}', '$msg' ) } ); }; if ( $@ ) { warn "Failed to update checkpoint table: $@\n"; } } } if ( $opt{dryrun} ) { print "UNLOCK TABLES\n"; if ( @existing && !$opt{keepold} ) { my @oldies = map { $_ . '_old' } @existing; print "rm -rf @oldies\n" } $dbh->disconnect(); exit(0); } else { $dbh->do("UNLOCK TABLES"); } my $hc_dur = time - $hc_started; printf "Unlocked tables.\n" unless $opt{quiet}; # # --- HOT-COPY COMPLETE --- ########################### $dbh->disconnect; if ( @failed ) { # hotcopy failed - cleanup # delete any @targets # rename _old copy back to original my @targets = (); foreach my $rdb ( @db_desc ) { push @targets, $rdb->{target} if ( -d $rdb->{target} ); } print "Deleting @targets \n" if $opt{debug}; print "Deleting @targets \n" if $opt{debug}; rmtree([@targets]); if (@existing) { print "Restoring @existing from back-up\n" if $opt{debug}; foreach my $dir ( @existing ) { rename("${dir}_old", $dir ) or warn "Can't rename ${dir}_old to $dir: $!\n"; } } die join( "\n", @failed ); } else { # hotcopy worked # delete _old unless $opt{keepold} if ( @existing && !$opt{keepold} ) { my @oldies = map { $_ . '_old' } @existing; print "Deleting previous copy in @oldies\n" if $opt{debug}; rmtree([@oldies]); } printf "$0 copied %d tables (%d files) in %d second%s (%d seconds overall).\n", $num_tables, $num_files, $hc_dur, ($hc_dur==1)?"":"s", time - $start_time unless $opt{quiet}; } exit 0; # --- sub copy_files { my ($method, $files, $target) = @_; my @cmd; print "Copying ".@$files." files...\n" unless $opt{quiet}; if ($method =~ /^s?cp\b/) # cp or scp with optional flags { my $cp = $method; # add option to preserve mod time etc of copied files # not critical, but nice to have $cp.= " -p" if $^O =~ m/^(solaris|linux|freebsd|darwin)$/; # add recursive option for scp $cp.= " -r" if $^O =~ /m^(solaris|linux|freebsd|darwin)$/ && $method =~ /^scp\b/; # perform the actual copy safe_system( $cp, (map { "'$_'" } @$files), "'$target'" ); } else { die "Can't use unsupported method '$method'\n"; } } # # Copy only the header of the index file # sub copy_index { my ($method, $files, $source, $target) = @_; print "Copying indices for ".@$files." files...\n" unless $opt{quiet}; foreach my $file (@$files) { my $from="$source/$file"; my $to="$target/$file"; my $buff; open(INPUT, "<$from") || die "Can't open file $from: $!\n"; binmode(INPUT, ":raw"); my $length=read INPUT, $buff, 2048; die "Can't read index header from $from\n" if ($length < 1024); close INPUT; if ( $opt{dryrun} ) { print "$opt{method}-header $from $to\n"; } elsif ($opt{method} eq 'cp') { open(OUTPUT,">$to") || die "Can\'t create file $to: $!\n"; if (syswrite(OUTPUT,$buff) != length($buff)) { die "Error when writing data to $to: $!\n"; } close OUTPUT || die "Error on close of $to: $!\n"; } elsif ($opt{method} =~ /^scp\b/) { my ($fh, $tmp)= tempfile('mysqlhotcopy-XXXXXX', DIR => $opt_tmpdir) or die "Can\'t create/open file in $opt_tmpdir\n"; if (syswrite($fh,$buff) != length($buff)) { die "Error when writing data to $tmp: $!\n"; } close $fh || die "Error on close of $tmp: $!\n"; safe_system("$opt{method} $tmp $to"); unlink $tmp; } else { die "Can't use unsupported method '$opt{method}'\n"; } } } sub safe_system { my @sources= @_; my $method= shift @sources; my $target= pop @sources; ## @sources = list of source file names ## We have to deal with very long command lines, otherwise they may generate ## "Argument list too long". ## With 10000 tables the command line can be around 1MB, much more than 128kB ## which is the common limit on Linux (can be read from ## /usr/src/linux/include/linux/binfmts.h ## see http://www.linuxjournal.com/article.php?sid=6060). my $chunk_limit= 100 * 1024; # 100 kB my @chunk= (); my $chunk_length= 0; foreach (@sources) { push @chunk, $_; $chunk_length+= length($_); if ($chunk_length > $chunk_limit) { safe_simple_system($method, @chunk, $target); @chunk=(); $chunk_length= 0; } } if ($chunk_length > 0) { # do not forget last small chunk safe_simple_system($method, @chunk, $target); } } sub safe_simple_system { my @cmd= @_; if ( $opt{dryrun} ) { print "@cmd\n"; } else { ## for some reason system fails but backticks works ok for scp... print "Executing '@cmd'\n" if $opt{debug}; my $cp_status = system "@cmd > /dev/null"; if ($cp_status != 0) { warn "Executing command failed ($cp_status). Trying backtick execution...\n"; ## try something else `@cmd` || die "Error: @cmd failed ($?) while copying files.\n"; } } } sub retire_directory { my ( @dir ) = @_; foreach my $dir ( @dir ) { my $tgt_oldpath = $dir . '_old'; if ( $opt{dryrun} ) { print "rmtree $tgt_oldpath\n" if ( -d $tgt_oldpath ); print "rename $dir, $tgt_oldpath\n"; next; } if ( -d $tgt_oldpath ) { print "Deleting previous 'old' hotcopy directory ('$tgt_oldpath')\n" unless $opt{quiet}; rmtree([$tgt_oldpath],0,1); } rename($dir, $tgt_oldpath) or die "Can't rename $dir=>$tgt_oldpath: $!\n"; print "Existing hotcopy directory renamed to '$tgt_oldpath'\n" unless $opt{quiet}; } } sub record_log_pos { my ( $dbh, $table_name ) = @_; eval { my ($file,$position) = get_row( $dbh, "show master status" ); die "master status is undefined" if !defined $file || !defined $position; my $row_hash = get_row_hash( $dbh, "show slave status" ); my ($master_host, $log_file, $log_pos ); if ( $dbh->{mariadb_serverinfo} =~ /^3\.23/ ) { ($master_host, $log_file, $log_pos ) = @{$row_hash}{ qw / Master_Host Log_File Pos / }; } else { ($master_host, $log_file, $log_pos ) = @{$row_hash}{ qw / Master_Host Relay_Master_Log_File Exec_Master_Log_Pos / }; } my $hostname = hostname(); $dbh->do( qq{ replace into $table_name set host=?, log_file=?, log_pos=?, master_host=?, master_log_file=?, master_log_pos=? }, undef, $hostname, $file, $position, $master_host, $log_file, $log_pos ); }; if ( $@ ) { warn "Failed to store master position: $@\n"; } } sub get_row { my ( $dbh, $sql ) = @_; my $sth = $dbh->prepare($sql); $sth->execute; return $sth->fetchrow_array(); } sub get_row_hash { my ( $dbh, $sql ) = @_; my $sth = $dbh->prepare($sql); $sth->execute; return $sth->fetchrow_hashref(); } sub get_list_of_tables { my ( $db ) = @_; my $tables = eval { $dbh->selectall_arrayref('SHOW FULL TABLES FROM ' . $dbh->quote_identifier($db) . ' WHERE Table_type = \'BASE TABLE\'') } || []; warn "Unable to retrieve list of tables in $db: $@" if $@; return (map { $_->[0] } @$tables); } sub get_list_of_views { my ( $db ) = @_; my $views = eval { $dbh->selectall_arrayref('SHOW FULL TABLES FROM ' . $dbh->quote_identifier($db) . ' WHERE Table_type = \'VIEW\'') } || []; warn "Unable to retrieve list of views in $db: $@" if $@; return (map { $_->[0] } @$views); } sub quote_names { my ( $name ) = @_; # given a db.table name, add quotes my ($db, $table, @cruft) = split( /\./, $name ); die "Invalid db.table name '$name'" if (@cruft || !defined $db || !defined $table ); # Earlier versions of DBD return table name non-quoted, # such as DBD-2.1012 and the newer ones, such as DBD-2.9002 # returns it quoted. Let's have a support for both. $table=~ s/\`//g; return "`$db`.`$table`"; } __END__ =head1 DESCRIPTION mysqlhotcopy is designed to make stable copies of live MySQL databases. Here "live" means that the database server is running and the database may be in active use. And "stable" means that the copy will not have any corruptions that could occur if the table files were simply copied without first being locked and flushed from within the server. =head1 OPTIONS =over 4 =item --checkpoint checkpoint-table As each database is copied, an entry is written to the specified checkpoint-table. This has the happy side-effect of updating the MySQL update-log (if it is switched on) giving a good indication of where roll-forward should begin for backup+rollforward schemes. The name of the checkpoint table should be supplied in database.table format. The checkpoint-table must contain at least the following fields: =over 4 time_stamp timestamp not null src varchar(32) dest varchar(60) msg varchar(255) =back =item --record_log_pos log-pos-table Just before the database files are copied, update the record in the log-pos-table from the values returned from "show master status" and "show slave status". The master status values are stored in the log_file and log_pos columns, and establish the position in the binary logs that any slaves of this host should adopt if initialised from this dump. The slave status values are stored in master_host, master_log_file, and master_log_pos, corresponding to the coordinates of the next to the last event the slave has executed. The slave or its siblings can connect to the master next time and request replication starting from the recorded values. The name of the log-pos table should be supplied in database.table format. A sample log-pos table definition: =over 4 CREATE TABLE log_pos ( host varchar(60) NOT null, time_stamp timestamp NOT NULL, log_file varchar(32) default NULL, log_pos int(11) default NULL, master_host varchar(60) NULL, master_log_file varchar(32) NULL, master_log_pos int NULL, PRIMARY KEY (host) ); =back =item --suffix suffix Each database is copied back into the originating datadir under a new name. The new name is the original name with the suffix appended. If only a single db_name is supplied and the --suffix flag is not supplied, then "--suffix=_copy" is assumed. =item --allowold Move any existing version of the destination to a backup directory for the duration of the copy. If the copy successfully completes, the backup directory is deleted - unless the --keepold flag is set. If the copy fails, the backup directory is restored. The backup directory name is the original name with "_old" appended. Any existing versions of the backup directory are deleted. =item --keepold Behaves as for the --allowold, with the additional feature of keeping the backup directory after the copy successfully completes. =item --addtodest Don't rename target directory if it already exists, just add the copied files into it. This is most useful when backing up a database with many large tables and you don't want to have all the tables locked for the whole duration. In this situation, I<if> you are happy for groups of tables to be backed up separately (and thus possibly not be logically consistent with one another) then you can run mysqlhotcopy several times on the same database each with different db_name./table_regex/. All but the first should use the --addtodest option so the tables all end up in the same directory. =item --flushlog Rotate the log files by executing "FLUSH LOGS" after all tables are locked, and before they are copied. =item --resetmaster Reset the bin-log by executing "RESET MASTER" after all tables are locked, and before they are copied. Useful if you are recovering a slave in a replication setup. =item --resetslave Reset the master.info by executing "RESET SLAVE" after all tables are locked, and before they are copied. Useful if you are recovering a server in a mutual replication setup. =item --regexp pattern Copy all databases with names matching the pattern. =item --regexp /pattern1/./pattern2/ Copy all tables with names matching pattern2 from all databases with names matching pattern1. For example, to select all tables which names begin with 'bar' from all databases which names end with 'foo': mysqlhotcopy --indices --method=cp --regexp /foo$/./^bar/ =item db_name./pattern/ Copy only tables matching pattern. Shell metacharacters ( (, ), |, !, etc.) have to be escaped (e.g., \). For example, to select all tables in database db1 whose names begin with 'foo' or 'bar': mysqlhotcopy --indices --method=cp db1./^\(foo\|bar\)/ =item db_name./~pattern/ Copy only tables not matching pattern. For example, to copy tables that do not begin with foo nor bar: mysqlhotcopy --indices --method=cp db1./~^\(foo\|bar\)/ =item -?, --help Display help-screen and exit. =item -u, --user=# User for database login if not current user. =item -p, --password=# Password to use when connecting to the server. Note that you are strongly encouraged *not* to use this option as every user would be able to see the password in the process list. Instead use the '[mysqlhotcopy]' section in one of the config files, normally /etc/my.cnf or your personal ~/.my.cnf. (See the chapter 'my.cnf Option Files' in the manual.) =item -h, -h, --host=# Hostname for local server when connecting over TCP/IP. By specifying this different from 'localhost' will trigger mysqlhotcopy to use TCP/IP connection. =item -P, --port=# Port to use when connecting to MySQL server with TCP/IP. This is only used when using the --host option. =item -S, --socket=# UNIX domain socket to use when connecting to local server. =item --old_server Use old server (pre v5.5) commands. =item --noindices Don\'t include index files in copy. Only up to the first 2048 bytes are copied; You can restore the indexes with isamchk -r or myisamchk -r on the backup. =item --method=# Method for copy (only "cp" currently supported). Alpha support for "scp" was added in November 2000. Your experience with the scp method will vary with your ability to understand how scp works. 'man scp' and 'man ssh' are your friends. The destination directory _must exist_ on the target machine using the scp method. --keepold and --allowold are meaningless with scp. Liberal use of the --debug option will help you figure out what\'s really going on when you do an scp. Note that using scp will lock your tables for a _long_ time unless your network connection is _fast_. If this is unacceptable to you, use the 'cp' method to copy the tables to some temporary area and then scp or rsync the files at your leisure. =item -q, --quiet Be silent except for errors. =item --debug Debug messages are displayed. =item -n, --dryrun Display commands without actually doing them. =back =head1 WARRANTY This software is free and comes without warranty of any kind. You should never trust backup software without studying the code yourself. Study the code inside this script and only rely on it if I<you> believe that it does the right thing for you. Patches adding bug fixes, documentation and new features are welcome. Please send these to internals@lists.mysql.com. =head1 TO DO Extend the individual table copy to allow multiple subsets of tables to be specified on the command line: mysqlhotcopy db newdb t1 t2 /^foo_/ : t3 /^bar_/ : + where ":" delimits the subsets, the /^foo_/ indicates all tables with names beginning with "foo_" and the "+" indicates all tables not copied by the previous subsets. 'newdb' is either the name of the new database, or the full path name of the new database file. The database should not already exist. Add option to lock each table in turn for people who don\'t need cross-table integrity. Add option to FLUSH STATUS just before UNLOCK TABLES. Add support for other copy methods (e.g., tar to single file?). Add support for forthcoming MySQL ``RAID'' table subdirectory layouts. =head1 AUTHOR Tim Bunce Martin Waite - Added checkpoint, flushlog, regexp and dryrun options. Fixed cleanup of targets when hotcopy fails. Added --record_log_pos. RAID tables are now copied (don't know if this works over scp). Ralph Corderoy - Added synonyms for commands. Scott Wiersdorf - Added table regex and scp support. Monty - Working --noindex (copy only first 2048 bytes of index file). Fixes for --method=scp. Ask Bjoern Hansen - Cleanup code to fix a few bugs and enable -w again. Emil S. Hansen - Added resetslave and resetmaster. Jeremy D. Zawodny - Removed deprecated DBI calls. Fixed bug which resulted in nothing being copied when a regexp was specified but no database name(s). Martin Waite - Fix to handle database name that contains space. Paul DuBois - Remove end '/' from directory names.
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