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-rw-r--r--maintenance/storage/storageTypeStats.php98
1 files changed, 98 insertions, 0 deletions
diff --git a/maintenance/storage/storageTypeStats.php b/maintenance/storage/storageTypeStats.php
new file mode 100644
index 00000000..85858620
--- /dev/null
+++ b/maintenance/storage/storageTypeStats.php
@@ -0,0 +1,98 @@
+<?php
+
+require_once( dirname(__FILE__).'/../Maintenance.php' );
+
+class StorageTypeStats extends Maintenance {
+ function execute() {
+ $dbr = wfGetDB( DB_SLAVE );
+
+ $endId = $dbr->selectField( 'text', 'MAX(old_id)', false, __METHOD__ );
+ if ( !$endId ) {
+ echo "No text rows!\n";
+ exit( 1 );
+ }
+
+ $rangeStart = 0;
+ $binSize = intval( pow( 10, floor( log10( $endId ) ) - 3 ) );
+ if ( $binSize < 100 ) {
+ $binSize = 100;
+ }
+ echo "Using bin size of $binSize\n";
+
+ $stats = array();
+
+ $classSql = <<<SQL
+ IF(old_flags LIKE '%external%',
+ IF(old_text REGEXP '^DB://[[:alnum:]]+/[0-9]+/[0-9a-f]{32}$',
+ 'CGZ pointer',
+ IF(old_text REGEXP '^DB://[[:alnum:]]+/[0-9]+/[0-9]{1,6}$',
+ 'DHB pointer',
+ IF(old_text REGEXP '^DB://[[:alnum:]]+/[0-9]+$',
+ 'simple pointer',
+ 'UNKNOWN pointer'
+ )
+ )
+ ),
+ IF(old_flags LIKE '%object%',
+ TRIM('"' FROM SUBSTRING_INDEX(SUBSTRING_INDEX(old_text, ':', 3), ':', -1)),
+ '[none]'
+ )
+ )
+SQL;
+
+ for ( $rangeStart = 0; $rangeStart < $endId; $rangeStart += $binSize ) {
+ if ( $rangeStart / $binSize % 10 == 0 ) {
+ echo "$rangeStart\r";
+ }
+ $res = $dbr->select(
+ 'text',
+ array(
+ 'old_flags',
+ "$classSql AS class",
+ 'COUNT(*) as count',
+ ),
+ array(
+ 'old_id >= ' . intval( $rangeStart ),
+ 'old_id < ' . intval( $rangeStart + $binSize )
+ ),
+ __METHOD__,
+ array( 'GROUP BY' => 'old_flags, class' )
+ );
+
+ foreach ( $res as $row ) {
+ $flags = $row->old_flags;
+ if ( $flags === '' ) {
+ $flags = '[none]';
+ }
+ $class = $row->class;
+ $count = $row->count;
+ if ( !isset( $stats[$flags][$class] ) ) {
+ $stats[$flags][$class] = array(
+ 'count' => 0,
+ 'first' => $rangeStart,
+ 'last' => 0
+ );
+ }
+ $entry =& $stats[$flags][$class];
+ $entry['count'] += $count;
+ $entry['last'] = max( $entry['last'], $rangeStart + $binSize );
+ unset( $entry );
+ }
+ }
+ echo "\n\n";
+
+ $format = "%-29s %-39s %-19s %-29s\n";
+ printf( $format, "Flags", "Class", "Count", "old_id range" );
+ echo str_repeat( '-', 120 ) . "\n";
+ foreach ( $stats as $flags => $flagStats ) {
+ foreach ( $flagStats as $class => $entry ) {
+ printf( $format, $flags, $class, $entry['count'],
+ sprintf( "%-13d - %-13d", $entry['first'], $entry['last'] ) );
+ }
+ }
+ }
+}
+
+$maintClass = 'StorageTypeStats';
+require_once( DO_MAINTENANCE );
+