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
|
<?php
/*
* Copyright (c) 2008 Guillaume Lelarge <guillaume@lelarge.info>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
$buffer = $navigate_globalobjects.'
<div id="pgContentWrap">
<h1>Databases In Cache</h1>
';
$query = "SELECT
pg_get_userbyid(datdba) AS dba,
datname,
pg_database_size(reldatabase) AS size,
count(*) AS buffers
FROM pg_buffercache, pg_database, pg_tablespace
WHERE reldatabase=pg_database.oid
GROUP BY 1, 2, 3
ORDER BY 1, 2, 3";
$rows = pg_query($connection, $query);
if (!$rows) {
echo "An error occured.\n";
exit;
}
$buffer .= '<div class="tblBasic">
<table border="0" cellpadding="0" cellspacing="0" class="tblBasicGrey">
<tr>
<th class="colFirst" width="20%">Database Owner</th>
<th class="colMid" width="20%">Database Name</th>
<th class="colMid" width="20%">Database Size</th>
<th class="colMid" width="15%">Total Buffers</th>
<th class="colMid" width="15%">Total Buffers Size</th>
<th class="colLast" width="10%">% of Database In Cache</th>
</tr>';
while ($row = pg_fetch_array($rows)) {
$buffer .= tr().'
<td>'.$row['dba'].'</td>
<td>'.$row['datname'].'</td>
<td>'.$row['size'].'</td>
<td>'.$row['buffers'].'</td>
<td>'.($row['buffers']*8192).'</td>
<td>'.round(($row['buffers']*8192*100/$row['size']), 2).'</td>
</tr>';
}
$buffer .= '</table>
</div>
';
$buffer .= '<button id="showthesource">Show SQL commands!</button>
<div id="source">
<p>'.$query.'</p>
</div>';
$filename = $outputdir.'/databasesincache.html';
include 'lib/fileoperations.php';
?>
|
