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| 1 | <?php |
| 2 | /** |
| 3 | * This program is free software; you can redistribute it and/or modify |
| 4 | * it under the terms of the GNU General Public License as published by |
| 5 | * the Free Software Foundation; either version 2 of the License, or |
| 6 | * (at your option) any later version. |
| 7 | * |
| 8 | * This program is distributed in the hope that it will be useful, |
| 9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 11 | * GNU General Public License for more details. |
| 12 | * |
| 13 | * You should have received a copy of the GNU General Public License along |
| 14 | * with this program; if not, write to the Free Software Foundation, Inc., |
| 15 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
| 16 | * http://www.gnu.org/copyleft/gpl.html |
| 17 | * |
| 18 | * @file |
| 19 | * @ingroup Maintenance ExternalStorage |
| 20 | */ |
| 21 | |
| 22 | require_once __DIR__ . '/../Maintenance.php'; |
| 23 | |
| 24 | class StorageTypeStats extends Maintenance { |
| 25 | public function execute() { |
| 26 | $dbr = $this->getReplicaDB(); |
| 27 | |
| 28 | $endId = $dbr->newSelectQueryBuilder() |
| 29 | ->select( 'MAX(old_id)' ) |
| 30 | ->from( 'text' ) |
| 31 | ->caller( __METHOD__ )->fetchField(); |
| 32 | if ( !$endId ) { |
| 33 | $this->fatalError( 'No text rows!' ); |
| 34 | } |
| 35 | |
| 36 | $binSize = intval( 10 ** ( floor( log10( $endId ) ) - 3 ) ); |
| 37 | if ( $binSize < 100 ) { |
| 38 | $binSize = 100; |
| 39 | } |
| 40 | echo "Using bin size of $binSize\n"; |
| 41 | |
| 42 | $stats = []; |
| 43 | |
| 44 | $classSql = <<<SQL |
| 45 | IF(old_flags LIKE '%external%', |
| 46 | IF(old_text REGEXP '^DB://[[:alnum:]]+/[0-9]+/[0-9a-f]{32}$', |
| 47 | 'CGZ pointer', |
| 48 | IF(old_text REGEXP '^DB://[[:alnum:]]+/[0-9]+/[0-9]{1,6}$', |
| 49 | 'DHB pointer', |
| 50 | IF(old_text REGEXP '^DB://[[:alnum:]]+/[0-9]+$', |
| 51 | 'simple pointer', |
| 52 | 'UNKNOWN pointer' |
| 53 | ) |
| 54 | ) |
| 55 | ), |
| 56 | IF(old_flags LIKE '%object%', |
| 57 | TRIM('"' FROM SUBSTRING_INDEX(SUBSTRING_INDEX(old_text, ':', 3), ':', -1)), |
| 58 | '[none]' |
| 59 | ) |
| 60 | ) |
| 61 | SQL; |
| 62 | |
| 63 | for ( $rangeStart = 0; $rangeStart < $endId; $rangeStart += $binSize ) { |
| 64 | if ( $rangeStart / $binSize % 10 == 0 ) { |
| 65 | echo "$rangeStart\r"; |
| 66 | } |
| 67 | $res = $dbr->newSelectQueryBuilder() |
| 68 | ->select( [ 'old_flags', 'class' => $classSql, 'count' => 'COUNT(*)' ] ) |
| 69 | ->from( 'text' ) |
| 70 | ->where( [ 'old_id >= ' . intval( $rangeStart ) ] ) |
| 71 | ->andWhere( [ 'old_id < ' . intval( $rangeStart + $binSize ) ] ) |
| 72 | ->groupBy( [ 'old_flags', 'class' ] ) |
| 73 | ->caller( __METHOD__ )->fetchResultSet(); |
| 74 | |
| 75 | foreach ( $res as $row ) { |
| 76 | $flags = $row->old_flags; |
| 77 | if ( $flags === '' ) { |
| 78 | $flags = '[none]'; |
| 79 | } |
| 80 | $class = $row->class; |
| 81 | $count = $row->count; |
| 82 | // @phan-suppress-next-line PhanImpossibleConditionInLoop,PhanPossiblyUndeclaredVariable False positive |
| 83 | if ( !isset( $stats[$flags][$class] ) ) { |
| 84 | $stats[$flags][$class] = [ |
| 85 | 'count' => 0, |
| 86 | 'first' => $rangeStart, |
| 87 | 'last' => 0 |
| 88 | ]; |
| 89 | } |
| 90 | $entry =& $stats[$flags][$class]; |
| 91 | $entry['count'] += $count; |
| 92 | $entry['last'] = max( $entry['last'], $rangeStart + $binSize ); |
| 93 | unset( $entry ); |
| 94 | } |
| 95 | } |
| 96 | echo "\n\n"; |
| 97 | |
| 98 | $format = "%-29s %-39s %-19s %-29s\n"; |
| 99 | printf( $format, "Flags", "Class", "Count", "old_id range" ); |
| 100 | echo str_repeat( '-', 120 ) . "\n"; |
| 101 | foreach ( $stats as $flags => $flagStats ) { |
| 102 | foreach ( $flagStats as $class => $entry ) { |
| 103 | printf( $format, $flags, $class, $entry['count'], |
| 104 | sprintf( "%-13d - %-13d", $entry['first'], $entry['last'] ) ); |
| 105 | } |
| 106 | } |
| 107 | } |
| 108 | } |
| 109 | |
| 110 | $maintClass = StorageTypeStats::class; |
| 111 | require_once RUN_MAINTENANCE_IF_MAIN; |