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php - mysql server has gone away,序列化和锁等待错误

转载 作者:行者123 更新时间:2023-11-28 23:53:28 24 4
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我有 cron3min.php、cron10min.php、cron60min.php。

我正在使用 PDO。

cron3min.php 很忙,他每 3 分钟

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并且每 3 分钟大约有 50.000 - 500.000 行,所以当来自 cron 的其他请求到来时,第一个 cron 请求经常没有完成。

当我从 catch 检查我的错误日志时,我看到:

2015-08-23 10:57:36exception 'PDOException' with message 'SQLSTATE[HY000]: General error: 2006 MySQL server has gone away' in /home/27425-18594.cloudwaysapps.com/jcjdkdtaur/public_html/php/topoddsengine.php:25
Stack trace:
#0 /home/27425-18594.cloudwaysapps.com/jcjdkdtaur/public_html/php/topoddsengine.php(25): PDO->query('SELECT * FROM G...')
#1 /home/27425-18594.cloudwaysapps.com/jcjdkdtaur/public_html/cron5min.php(27): TopOdds->insertTopOdds()
#2 {main}2015-08-23 10:58:11exception 'PDOException' with message 'SQLSTATE[HY000]: General error: 2006 MySQL server has gone away' in /home/27425-18594.cloudwaysapps.com/jcjdkdtaur/public_html/php/topoddsengine.php:25

还有

Stack trace:
#0 /home/27425-18594.cloudwaysapps.com/jcjdkdtaur/public_html/php/class.xmltodb.php(496): PDOStatement->execute()
#1 /home/27425-18594.cloudwaysapps.com/jcjdkdtaur/public_html/php/class.xmltodb.php(468): XMLtoDB->fillMap('')
#2 /home/27425-18594.cloudwaysapps.com/jcjdkdtaur/public_html/php/class.xmltodb.php(600): XMLtoDB->getMap('')
#3 /home/27425-18594.cloudwaysapps.com/jcjdkdtaur/public_html/cron10min.php(22): XMLtoDB->resultsToHistoric()
#4 {main}2015-08-24 09:33:31exception 'PDOException' with message 'SQLSTATE[40001]: Serialization failure: 1213 Deadlock found when trying to get lock; try restarting transaction' in /home/27425-18594.cloudwaysapps.com/jcjdkdtaur/public_html/php/class.xmltodb.php:496

Stack trace:
#0 /home/27425-18594.cloudwaysapps.com/jcjdkdtaur/public_html/php/class.xmltodb.php(742): PDOStatement->execute()
#1 /home/27425-18594.cloudwaysapps.com/jcjdkdtaur/public_html/php/class.xmltodb.php(677): XMLtoDB->execHistoric(Object(PDOStatement), Object(SimpleXMLElement), Object(SimpleXMLElement), '2015-08-21 18:0...', 1, NULL, 'Albania: Superl...', Object(SimpleXMLElement), 'albania:', 'Partizani Tiran...', 2337556, 'Partizani Tiran...', NULL, 1, Object(SimpleXMLElement), NULL, NULL, NULL, '62: X. Sukaj; ', NULL, '', NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'Laci', 2337554, NULL, 1, Object(SimpleXMLElement), NULL, NULL, NULL, 'E. \xC3\x87ela; ', NULL, '', NULL, NULL, NULL, NULL, NULL, NULL, NULL, '', '', NULL, NULL, NULL, NULL, 'tipgin', Object(SimpleXMLElement))
#2 /home/27425-18594.cloudwaysapps.com/jcjdkdtaur/public_html/cron10min.php(22): XMLtoDB->resultsToHistoric()
#3 {main}2015-08-23 18:18:17exception 'PDOException' with message 'SQLSTATE[HY000]: General error: 1205 Lock wait timeout exceeded; try restarting transaction' in /home/27425-18594.cloudwaysapps.com/jcjdkdtaur/public_html/php/class.xmltodb.php:742

在 cron3min.php 中有这个函数:

$provider->getOdds();
$xmldb->sendOddsToDb();
$xmldb->sendFixturesToDb();
$xmldb->fillBaby();
$topOdds->insertTopOdds();

$xmldb->copyHAtoHandicap();

$con->close();

最忙的函数是 $xmldb->sendOddsToDb();$xmldb->copyHAtoHandicap();

我将在此处仅复制 $xmldb->sendOddsToDb();,在每个函数中我启动事务并在函数结束时提交它并关闭。

这里是 sendOddsToDb(),请检查它,只看一个 mysql 逻辑,有问题,我如何开始交易好吗? Xml 解析大约需要 1:30-2 分钟(大部分时间需要代码的 3 路部分,我需要在数组中存储障碍),所以可能是打开了长连接或其他什么...

function sendOddsToDb(){    
try{
$this->conn->connect();
$this->PDO->beginTransaction();

$countries = $this->OddCountries;
$stmt = $this->PDO->prepare($this->insOdds);
//$dbempty = $this->countRows('odds');
//$this->clrLeagues();

foreach($countries as $country){
$path = "{$this->base}/feeds/odds/{$country}odds.xml";
$odds_feed = $this->parser->parseFile($path);

foreach($odds_feed->league as $league){ //za svaku ligu u fidu

$fcountries = $this->filterCountries($league->attributes()->country);
$subid = $league->attributes()->sub_id;

$sportname = '';
$sportid = 0;
if($odds_feed->attributes()->sport == 'soccer' || $odds_feed->attributes()->sport == 'football'){
$sportname = 'football';
$sportid = 1;
}
else{
$sportname = NULL;
}
$lg2 = '';
$lg = $league->attributes()->name;
$ctr = $league->attributes()->country.':';
if(!contains(strtolower($lg),strtolower($ctr))){
$lg2 = ucfirst($ctr) . ' ' . ucfirst($lg);
}
else{
$lg2 = $league->attributes()->name;
}

$flg = $this->getMap2($lg2);
$this->sendLeaguesToDb($league->attributes()->id, $flg ,$fcountries,$sportid,$subid,'tipgin');
foreach($league->match as $match){

$dbdate = date('Y-m-d',strtotime($match->attributes()->date));
$updateddate = date('Y-m-d H:i:s',strtotime($odds_feed->attributes()->updated));
$dbtime = date('H:i:s', strtotime($match->attributes()->time));

$datetime = date('Y-m-d H:i:s',strtotime($dbdate . $dbtime));

$hteam = $this->getMap(toShort($match->home->attributes()->name));
$ateam = $this->getMap(toShort($match->away->attributes()->name));

$fixid = 0;
if($match->attributes()->id == 0 || $match->attributes()->id == ''){
if($match->attributes()->alternate_id == 0 || $match->attributes()->id == ''){
$fixid = $match->attributes()->alternate_id_2;
}
else{
$fixid = $match->attributes()->alternate_id;
}
}
else{
$fixid = $match->attributes()->id;
}
//$m = $hteam . ' ' . $ateam;
//var_dump('MATCH: ' . $m . ' HTEAM: ' . mb_detect_encoding($hteam). ' ATEAM: ' . mb_detect_encoding($ateam));
foreach ($match->odds as $odds) {
//var_dump($odd);
foreach ($odds->type as $type) {

foreach ($type->bookmaker as $bookmaker) {
//$oldbook = ;
if($bookmaker->attributes()->name != 'BetClick'){
if($bookmaker->attributes()->name != 'Bodog'){
if($bookmaker->attributes()->name != 'YouWin'){
$homeodds = NULL;
$drawodds = NULL;
$awayodds = NULL;
$numodds = NULL;
$dbhandicap = NULL;
$id2 = '0';
$typename = $this->getMap2($type->attributes()->name);

$fbooks = $this->filterBooks($bookmaker->attributes()->name);

if($typename == 'Over/Under' || $typename == 'Over/Under 1st Half' || $typename == 'Over/Under 2nd Half'){

foreach ($bookmaker->total as $total) { //daj kvote za svaki mec

$numodds = $total->attributes()->name;
foreach($total->odd as $odd){
switch ($odd->attributes()->name) {
case 'Over':
$homeodds = $odd->attributes()->value;
break;
case 'Under':
$awayodds = $odd->attributes()->value;
break;
}

$id2 = $numodds;
//echo 'ID: ' . $match->attributes()->alternate_id_2 . $league->attributes()->country . " ODDS: {$homeodds} {$drawodds} {$awayodds} TYPE: {$typename} BOOK: {$fbooks} ID2: {$id2}" . "<br>";

}

//echo "HOME TEAM: {$hteam} <BR>";
//echo "AWAY TEAM: {$ateam} <BR>";


$this->execOdds($stmt, $fixid, $updateddate,
$typename, $fcountries,$league->attributes()->name,
$league->attributes()->id, $subid, $league->attributes()->cup,$sportname,
$hteam,$match->home->attributes()->id,
$ateam,$match->away->attributes()->id, $datetime, $dbdate,
$dbtime, $match->attributes()->status, $numodds,$homeodds,$drawodds,
$awayodds, $fbooks, $bookmaker->attributes()->id, $dbhandicap, $id2);
}
}

else if($typename == 'Handicap' || $typename == '3Way Handicap'){
$homeodds = array();
$drawodds = array();
$awayodds = array();
$arrhandicap = array();
$fhandicap = '';

foreach ($bookmaker->handicap as $handicap) { //daj kvote za svaki mec
if (strpos($handicap->attributes()->name,'+') !== false) {
$fhandicap = str_replace('+','',$handicap->attributes()->name);
}else{
$fhandicap = $handicap->attributes()->name;
}
$newhandi = '';
foreach($handicap->odd as $odd){
//$odd = $handicap->odd;
switch ($odd->attributes()->name) {
case '1':
$newhandi = $fhandicap;
$homeodds[(string)$newhandi] =
$odd->attributes()->value;
break;
case 'X':
$newhandi = $fhandicap;
$drawodds[(string)$newhandi] =
$odd->attributes()->value;
break;
case '2':
if (strpos($fhandicap,'-') !== false) { //if negative
$newhandi = str_replace('-','',$fhandicap); //to positive
//echo 'NEGATIVE - OLD: ' . $fhandicap . ' NEW: '.$newhandi . '<br>';
}
elseif($fhandicap=='0'){
$newhandi = '0';
}
else{ //if positive
$newhandi = '-' . $fhandicap; //to negative
//echo 'POSITIVE - OLD: ' . $fhandicap . ' NEW: '.$newhandi . '<br>';
}
$awayodds[(string)$newhandi] = $odd->attributes()->value;
break;
}
$arrhandicap[] = $newhandi;
}
}
//$arrhandicap[] = sort($dbhandicap);
foreach($arrhandicap as $hand){
if(!is_null($hand)){
//echo $typename. ': ' . $hand . '<br>';
if($homeodds[(string)$hand] != NULL && $awayodds[(string)$hand] != NULL){
$this->execOdds($stmt, $fixid, $updateddate,
$typename, $fcountries,$league->attributes()->name,
$league->attributes()->id, $subid, $league->attributes()->cup,$sportname,
$hteam,$match->home->attributes()->id,
$ateam,$match->away->attributes()->id, $datetime, $dbdate,
$dbtime, $match->attributes()->status, $numodds,$homeodds[(string)$hand],
$drawodds[(string)$hand],$awayodds[(string)$hand], $fbooks,
$bookmaker->attributes()->id, $hand, $hand);
echo 'ID: ' . $match->attributes()->id . $league->attributes()->country . " HOMEODDS: {$homeodds[(string)$hand]} DRAWODDS: {$drawodds[(string)$hand]} AWAYODDS: {$awayodds[(string)$hand]} TYPE: {$typename} BOOK: {$fbooks} ID2: {$hand}" . "<br>";
}
}
}
}
else{
foreach ($bookmaker->odd as $odd) { //daj kvote za svaki mec
if($typename == 'Home/Away'){
$typename = 'Draw No Bet';
}
switch ($odd->attributes()->name) {
case '1':
case '1X':
case 'Yes':
$homeodds = $odd->attributes()->value;
break;
case 'X':
case 'X2':
$drawodds = $odd->attributes()->value;
break;
case '2':
case '12':
case 'No':
$awayodds = $odd->attributes()->value;
break;
}

$id2 = 0;
//echo 'ID: ' . $match->attributes()->alternate_id_2 . $league->attributes()->country . " ODDS: {$homeodds} {$drawodds} {$awayodds} TYPE: {$typename} BOOK: {$fbooks} ID2: {$id2}" . "<br>";
}

//echo "HOME TEAM: {$hteam} <BR>";
//echo "AWAY TEAM: {$ateam} <BR>";

$this->execOdds($stmt, $fixid, $updateddate,
$typename, $fcountries,$league->attributes()->name,
$league->attributes()->id, $subid, $league->attributes()->cup,$sportname,
$hteam,$match->home->attributes()->id,
$ateam,$match->away->attributes()->id, $datetime, $dbdate,
$dbtime, $match->attributes()->status, $numodds,$homeodds,$drawodds,
$awayodds, $fbooks, $bookmaker->attributes()->id, $dbhandicap, $id2);

}
}
}
}
}}
}
}
}
}
$this->PDO->commit(); //SAVE
$this->conn->close();
$this->error = false;
}
catch(Exception $e){

}
}
private function execOdds($stmt, $matchid, $upddate, $type, $country, $league, $leagueid, $subid, $cup, $sport, $hteam, $hteamid, $ateam, $ateamid, $datetime, $date, $time, $status, $numodds, $homeodds, $drawodds, $awayodds, $book, $bookid, $handicap, $id2){

$event = $hteam . ' - ' . $ateam;

$fcountry = $country;
$fleague = $this->getMap2($league);

$stmt->bindParam(':fixturematchid', $matchid);$stmt->bindParam(':updateddate',$upddate);$stmt->bindParam(':type',$type);
$stmt->bindParam(':country',$fcountry);$stmt->bindParam(':league',$fleague);$stmt->bindParam(':leagueid',$leagueid);
$stmt->bindParam(':subid',$subid);
$stmt->bindParam(':cup',$cup);$stmt->bindParam(':eventname',$event);$stmt->bindParam(':sportname',$sport);
$stmt->bindParam(':hometeam', $hteam);$stmt->bindParam(':hometeamid', $hteamid);$stmt->bindParam(':awayteam', $ateam);
$stmt->bindParam(':awayteamid', $ateamid);$stmt->bindParam(':datetime',$datetime);$stmt->bindParam(':date',$date);
$stmt->bindParam(':time',$time);$stmt->bindParam(':status',$status);$stmt->bindParam(':numodds', $numodds);
$stmt->bindParam(':homeodds', $homeodds);$stmt->bindParam(':drawodds',$drawodds);$stmt->bindParam(':awayodds',$awayodds);
$stmt->bindParam(':bookmaker',$book);$stmt->bindParam(':bookmakerid',$bookid);$stmt->bindParam(':handicap', $handicap);
$stmt->bindParam(':id2', $id2);
$stmt->execute(); //EXEC*/
}

最佳答案

正如您在错误日志中看到的那样,一些查询试图锁定记录,而其他查询已经通过锁定使用它。可能有多种原因,因此请尝试与他们联系并解决问题。

第一步:

当您在帖子中更新 cron 花费超过 3 分钟并且下一轮开始时,因此 cron 可能是第一次使用某些记录,而第二次 cron 也尝试锁定它。

但只有当您的查询没有正确使用索引并试图锁定比预期更多的记录时,它才会出现。因此,请检查您的查询是否可以优化。

第二步:

可能其他一些进程也在尝试锁定该 cron 正在执行的行,因此请检查引擎 innodb 状态中的详细信息,了解哪个进程正在创建死锁。

您还可以通过任何 gui 工具(如 mysqladmin)监视在此 cron 时哪些查询试图获取锁,并优化发生这种情况的查询/代码。

关于php - mysql server has gone away,序列化和锁等待错误,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/32179665/

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