1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
|
#!/usr/bin/perl
#
# partrotate_unixtimestamp - perl script for mySQL partition rotation
#
# Copyright (C) 2011-2014 Alexandr Dubovikov (alexandr.dubovikov@gmail.com)
#
# This file is part of webhomer, a free capture server.
#
# partrotate_unixtimestamp is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version
#
# partrotate_unixtimestamp 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
use DBI;
$version = "0.4.0";
$mysql_table = $ARGV[1] // "sip_capture";
$mysql_dbname = $ARGV[0] // "homer_data";
$mysql_user = "homer_user";
$mysql_password = "homer_password";
$mysql_host = "localhost";
$maxparts = $ARGV[3] // 6; #6 days How long keep the data in the DB
$newparts = 2; #new partitions for 2 days. Anyway, start this script daily!
@stepsvalues = (86400, 3600, 1800, 900);
$partstep = $ARGV[2] // 0; # 0 - Day, 1 - Hour, 2 - 30 Minutes, 3 - 15 Minutes
$engine = "InnoDB"; #MyISAM or InnoDB
$compress = "ROW_FORMAT=COMPRESSED KEY_BLOCK_SIZE=8"; #Enable this if you want use barracuda format or set var to empty.
#Check it
$partstep=0 if(!defined $stepsvalues[$partstep]);
#Mystep
$mystep = $stepsvalues[$partstep];
#Coof
# Optionally load override configuration. perl format
$rc = "/etc/sysconfig/partrotaterc";
if (-e $rc) {
do $rc;
}
$coof=int(86400/$mystep);
#How much partitions
$maxparts*=$coof;
$newparts*=$coof;
$totalparts = ($maxparts+$newparts);
my $db = DBI->connect("DBI:mysql:$mysql_dbname:$mysql_host:3306", $mysql_user, $mysql_password);
#$db->{PrintError} = 0;
#we have now multiple tables with different schema. Better do it in sql script
#Name of part key
if( $mysql_table =~/alarm_/) { $part_key = "create_date"; }
elsif( $mysql_table =~/stats_/) { $part_key = "from_date"; }
else { $part_key = "date"; }
#check if the table has partitions. If not, create one
my $query = "SHOW TABLE STATUS FROM ".$mysql_dbname. " WHERE Name='".$mysql_table."'";
$sth = $db->prepare($query);
$sth->execute();
my $tstatus = $sth->fetchrow_hashref()->{Create_options};
if ($tstatus !~ /partitioned/) {
my $query = "ALTER TABLE ".$mysql_table. " PARTITION BY RANGE ( UNIX_TIMESTAMP(`".$part_key."`)) (PARTITION pmax VALUES LESS THAN MAXVALUE)";
$sth = $db->prepare($query);
$sth->execute();
}
my $query = "SELECT UNIX_TIMESTAMP(CURDATE())";
$sth = $db->prepare($query);
$sth->execute();
my ($curtstamp) = $sth->fetchrow_array();
$curtstamp+=0;
$todaytstamp+=0;
my %PARTS;
#Geting all partitions
$query = "SELECT PARTITION_NAME, PARTITION_DESCRIPTION"
."\n FROM INFORMATION_SCHEMA.PARTITIONS WHERE TABLE_NAME='".$mysql_table."'"
."\n AND TABLE_SCHEMA='".$mysql_dbname."' ORDER BY PARTITION_DESCRIPTION ASC;";
$sth = $db->prepare($query);
$sth->execute();
my @oldparts;
my @partsremove;
my @partsadd;
while(my @ref = $sth->fetchrow_array())
{
my $minpart = $ref[0];
my $todaytstamp = $ref[1];
next if($minpart eq "pmax");
if($curtstamp <= $todaytstamp) {
$PARTS{$minpart."_".$todaytstamp} = 1;
}
else { push(@oldparts, \@ref); }
}
my $partcount = $#oldparts;
if($partcount > $maxparts)
{
foreach my $ref (@oldparts) {
$minpart = $ref->[0];
$todaytstamp = $ref->[1];
push(@partsremove,$minpart);
$partcount--;
last if($partcount <= $maxparts);
}
}
#Delete all partitions
if($#partsremove > 0)
{
$query = "ALTER TABLE ".$mysql_table." DROP PARTITION ".join(',', @partsremove);
$db->do($query) or printf(STDERR "Failed to execute query [%s] with error: %s", ,$db->errstr);
if (!$db->{Executed}) {
print "Couldn't drop partition: $minpart\n";
break;
}
}
# < condition
$curtstamp+=(86400);
for(my $i=0; $i<$newparts; $i++) {
$oldstamp = $curtstamp;
$curtstamp+=$mystep;
($sec,$min,$hour,$mday,$mon,$year,$wday,$yday,$isdst) = localtime($oldstamp);
my $newpartname = sprintf("p%04d%02d%02d%02d",($year+=1900),(++$mon),$mday,$hour);
$newpartname.= sprintf("%02d", $min) if($partstep > 1);
if(!defined $PARTS{$newpartname."_".$curtstamp}) {
$query = "\nPARTITION ".$newpartname." VALUES LESS THAN (".$curtstamp.")";
push(@partsadd,$query);
}
}
my $parts_count=scalar @partsadd;
if($parts_count > 0)
{
# Fix MAXVALUE. Thanks Dorn B. <djbinter@gmail.com> for report and fix.
$query = "ALTER TABLE ".$mysql_table." REORGANIZE PARTITION pmax INTO (".join(',', @partsadd)
."\n, PARTITION pmax VALUES LESS THAN MAXVALUE)";
$db->do($query) or printf(STDERR "Failed to execute query [%s] with error: %s", ,$db->errstr);
if (!$db->{Executed}) {
print "Couldn't drop partition: $minpart\n";
break;
}
}
|
