following
76 lines
2.1 KiB
PHP
76 lines
2.1 KiB
PHP
<?php
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/***************************************************************************
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* For license information see doc/license.txt
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*
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* Unicode Reminder メモ
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***************************************************************************/
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checkJob(new slave_cleanup());
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class slave_cleanup
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{
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var $name = 'slave_cleanup';
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var $interval = 300;
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function run()
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{
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global $opt;
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$rs = sql("SELECT `id` FROM `sys_repl_slaves` WHERE `active`=1 AND `online`=1 AND (TIMESTAMP(NOW())-TIMESTAMP(`last_check`)+`time_diff`<'&1')", $opt['db']['slave']['max_behind']);
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while ($r = sql_fetch_assoc($rs))
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{
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$this->cleanup_slave($r['id']);
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}
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sql_free_result($rs);
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$this->cleanup_slave(-1);
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}
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function cleanup_slave($slaveId)
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{
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// ensure old slave is disconnected
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sql_disconnect_slave();
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// connect the slave
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if ($slaveId == -1)
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sql_connect_master_as_slave();
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else
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sql_connect_slave($slaveId);
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$this->cleanup_mapresult2($slaveId);
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// disconnect slave
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sql_disconnect_slave();
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}
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function cleanup_mapresult2($slaveId)
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{
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global $opt;
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// cleanup old entries
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$rs = sql("SELECT SQL_BUFFER_RESULT `result_id` FROM `map2_result` WHERE DATE_ADD(`date_created`, INTERVAL '&1' SECOND)<NOW()", $opt['map']['maxcacheage']);
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while ($r = sql_fetch_assoc($rs))
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{
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sql("DELETE FROM `map2_result` WHERE `result_id`='&1'", $r['result_id']);
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}
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sql_free_result($rs);
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// now reduce table size? (29 bytes is the average row size)
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if (sql_value_slave("SELECT COUNT(*) FROM `map2_data`", 0) > $opt['map']['maxcachesize'] / 29)
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{
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while (sql_value_slave("SELECT COUNT(*) FROM `map2_data`", 0) > $opt['map']['maxcachereducedsize'] / 29)
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{
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$resultId = sql_value("SELECT `result_id` FROM `map2_result` WHERE `slave_id`='&1' ORDER BY `date_lastqueried` DESC LIMIT 1", 0, $slaveId);
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if ($resultId == 0)
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return;
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sql("DELETE FROM `map2_result` WHERE `result_id`='&1'", $resultId);
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}
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}
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$nMinId = sql_value("SELECT MIN(`result_id`) FROM `map2_result`", 0);
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if ($nMinId == 0)
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sql("DELETE FROM `map2_data`");
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else
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sql("DELETE FROM `map2_data` WHERE `result_id`<'&1'", $nMinId);
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}
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}
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?>
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