max_connections, max_connect_errors, max_delayed_threads
Ãëàâíàÿ Ñòðàíèöà » Êíèãè ïî PHP » MySQL óðîêè äëÿ íà÷èíàþùèõ ñ íóëÿ » max_connections, max_connect_errors, max_delayed_threads â MySQL
max_connections
×èñëî îäíîâðåìåííî äîïóùåííûõ êëèåíòîâ. Óâåëè÷åíèå ýòîãî çíà÷åíèÿ óâåëè÷èâàåò ÷èñëî îïèñàòåëåé ôàéëà, êîòîðûõ òðåáóåò mysqld. Ïîäðîáíîñòè â ðàçäåëå 11.2.5. «Îøèáêà Too many connections».
max_connect_errors
Åñëè ïðåðâàííûõ ïîäêëþ÷åíèé õîñòà áîëüøå, õîñò áóäåò áëîêèðîâàí, è ïîäêëþ÷åíèÿ ñ íåãî ñòàíóò âîîáùå íåâîçìîæíû. Âû ìîæåòå ñíîâà îòêðûòü õîñò êîìàíäîé FLUSH HOSTS.
max_delayed_threads
Íå çàïóñêàòü áîëüøå, ÷åì ýòî ÷èñëî ïîòîêîâ, ÷òîáû îáðàáîòàòü èíñòðóêöèè INSERT DELAYED. Åñëè âû ïîïðîáóåòå âñòàâëÿòü äàííûå â íîâóþ òàáëèöó ïîñëå òîãî, êàê âñå ïîòîêè INSERT DELAYED áóäóò çàíÿòû, ñòðîêà áóäåò âñòàâëåíà, êàê áóäòî àòðèáóò DELAYED íå áûë îïðåäåëåí âîâñå, òî åñòü íåìåäëåííî.



