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Formula according to documentation

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Michael 2020-05-05 16:01:20 +00:00
parent 7de6e60328
commit d67b9cb693
1 changed files with 1 additions and 1 deletions
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src/Module/Admin/Summary.php
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@ -59,7 +59,7 @@ class Summary extends BaseAdmin
$table_definition_cache = DBA::getVariable('table_definition_cache');
$table_open_cache = DBA::getVariable('table_open_cache');
if (!empty($table_definition_cache) && !empty($table_open_cache)) {
$suggested_definition_cache = max(400, round($table_open_cache / 2, 1));
$suggested_definition_cache = min(400 + round($table_open_cache / 2, 1), 2000);
if ($suggested_definition_cache > $table_definition_cache) {
$warningtext[] = DI::l10n()->t('Your table_definition_cache is too low (%d). This can lead to the database error "Prepared statement needs to be re-prepared". Please set it at least to %d (or -1 for autosizing). See <a href="%s">here</a> for more information.<br />', $table_definition_cache, $suggested_definition_cache, 'https://dev.mysql.com/doc/refman/5.7/en/server-system-variables.html#sysvar_table_definition_cache');
}