鐃緒申鐃緒申戰鐃緒申鐃緒申箸離椒肇鐃粛ッワ申鐃薯見つわ申鐃緒申砲鐃�
鐃熟わ申鐃緒申鐃�
鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申函鐃緒申鐃緒申鐃緒申鐃緒申屬鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申襯居申鐃緒申箸呂鐃緒申鐃殉わ申鐃藷か￥申
鐃緒申鐃淑わ申200鐃淳ワ申鐃獣逸申鐃緒申念鐃緒申蠅件申謄鐃緒申鐃緒申鐃緒申鐃緒申鬚気个鐃緒申討鐃緒申鐃塾に￥申鐃緒申鐃駿ワ申箸鐃初キ鐃緒申鐃准￥申鐃緒申鐃緒申魍�始わ申鐃緒申鐃瞬間わ申鐃初、鐃緒申鐃淑のｏ申鐃旬や３鐃旬のワ申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃塾件申漫鐃緒申譽刻申櫂鵐好鐃緒申鐃緒申爐�3鐃獣とわ申9鐃獣とわ申鐃緒申鐃緒申鐃緒申茲�鐃祝なってわ申鐃殉わ申鐃緒申鐃夙ってわ申鐃緒申泙鐃緒申鐃粛￥申
鐃緒申鐃暑サ鐃緒申鐃夙の実常申
鐃縦わ申鐃緒申鐃緒申鐃殉で￥申鐃緒申鐃緒申淵鐃緒申鐃緒申箸鐃緒申鐃緒申鐃旬わ申鐃緒申鐃祝もあ鐃緒申泙鐃緒申鐃緒申鐃緒申鐃緒申劼捻鐃緒申弔鐃緒申討鐃緒申鐃祝随申鐃緒申鐃緒申鐃緒申鐃緒申呂離鐃緒申鐃緒申箸覆鐃叔わ申鐃緒申鐃緒申鐃緒申鐃駿ワ申罰鐃緒申六鐃緒申鐃緒申同鐃緒申鐃祝ワ申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申里任鐃緒申鐃緒申箸呂鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申覆鐃�2鐃旬とわ申3鐃緒申鐃緒申鐃駿の随申鐃淑のわ申鐃緒申鐃初、鐃緒申鐃淑わ申鐃夙わ申1鐃獣逸申鐃緒申縫譽刻申櫂鵐垢鐃緒申屬鐃緒申襪�鐃初い鐃緒申鐃緒申能鐃熟維誌申鐃緒申鐃緒申鐃緒申鐃緒申里任鐃緒申鐃�
鐃緒申鐃緒申鐃緒申鐃渋際は削申鐃獣わ申鐃緒申鐃夙に￥申鐃緒申鐃緒申鐃緒申3鐃獣以常申發�鐃緒申鐃獣てわ申鐃殉わ申鐃緒申鐃緒申鐃緒申鐃緒申鐃縮わ申発鐃緒申鐃緒申鐃銃わ申鐃殉わ申鐃緒申鐃緒申鐃祝陥ってわ申鐃殉ってわ申鐃殉わ申鐃緒申鐃緒申鐃緒申鐃緒申呂鐃緒申辰函鐃緒申匹鐃緒申鐃緒申縫椒肇鐃粛ッワ申鐃緒申鐃緒申鐃緒申飽磴わ申鐃緒申鐃殉わ申鐃緒申
鐃緒申鐃緒申鐃塾�鐃銃てみわ申
鐃緒申鐃緒申蓮鐃�DB鐃叔どっわ申鐃緒申鐃獣ワ申鐃峻わ申鐃緒申鐃銃わ申鵑犬鐃粛￥申鐃竣と￥申鐃緒申鐃竣リケ鐃緒申鐃緒申鐃緒申鐃曙イ鐃緒申妨鐃緒申鐃緒申鐃緒申鐃緒申鐃夙思ってわ申鐃殉わ申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃宿わ申鐃宿わ申鐃瞬わ申鐃銃も、show status鐃緒申叩鐃緒申鐃銃も、information_schema鐃緒申鐃緒申鐃緒申鐃銃も、鐃緒申鐃獣ワ申鐃緒申鐃峻ってわ申鐃緒申鐃緒申廚呂澆弔鐃緒申鐃殉わ申鐃緒申任鐃緒申鐃緒申鐃�
鐃緒申鐃粛居申鐃緒申鐃緒申
SH2鐃緒申鐃緒申鐃緒申鐃緒申MySQL InnoDB鐃祝わ申鐃緒申鐃緒申鐃緒申奪鐃緒申鐃緒申鐃塾駕申鐃熟種申鐃�
鐃緒申鐃術駕申鐃巡す鐃緒申鐃緒申鐃粛になる記鐃緒申鐃緒申多鐃緒申鐃銃￥申鐃夙てわ申鐃緒申鐃緒申辰討鐃緒申泙鐃緒申鐃�
鐃緒申鐃塾常申鐃准わ申討鐃緒申蘓緒申鐃緒申紊駕申泙鐃緒申鐃�
鐃淑わ申任鐃緒申覆鐃緒申鐃緒申覆鐃叔わ申鐃淑わ申鐃緒申鐃緒申Apache鐃塾ワ申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申眺鐃緒申覆鐃緒申鐃銃�鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申続鐃緒申鐃銃わ申鐃殉わ申鐃緒申鐃緒申鐃緒申鐃春とわ申鐃暑こ鐃夙に居申鐃重わ申鐃殉わ申鐃緒申鐃緒申
鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申函鐃緒申匹鐃緒申鐃緒申鐃緒申錣縁申鐃�3鐃緒申鐃緒申離譽刻申櫂鵐垢鐃�9鐃緒申鐃緒申離譽刻申櫂鵐垢粒鐃順が鐃緒申鐃緒申鐃緒申鐃銃わ申鐃緒申里任鐃緒申鐃�3鐃緒申9鐃獣て￥申鐃淑んかわ申鐃処く聞鐃緒申鐃緒申鐃緒申鐃緒申鐃淑わ申鐃緒申鐃緒申鐃重に考わ申鐃銃みわ申函鐃緒申鐃緒申鐃獣わ申TCP鐃緒申SYN鐃塾削申鐃緒申鐃瞬隔ではわ申鐃緒申泙鐃緒申鵑�￥申
鐃夙わ申鐃緒申鐃緒申鐃夙は￥申Web鐃緒申鐃緒申鐃出わ申DB鐃塾ワ申鐃獣ワ申鐃緒申鐃峻ってわ申鐃緒申錣縁申鐃緒申鐃淑わ申鐃銃￥申鐃宿っわ申鐃塾ワ申鐃緒申鐃出とわ申鐃緒申続鐃祝誌申鐃瞬わ申鐃緒申鐃緒申鐃獣てわ申鐃緒申鐃叔緒申鐃緒申鐃緒申鐃緒申鐃緒申發緒申鐃緒申任鐃緒申鐃�
鐃緒申鐃瞬わ申調鐃緒申鐃緒申鐃緒申
鐃夙わ申鐃緒申鐃緒け鐃叔￥申鐃緒申速tcpdump鐃緒申調鐃緒申鐃緒申鐃緒申鐃緒申鐃薯しわ申鐃緒申鐃淑わ申里鐃緒申余鐃淑￥申鐃祝でわ申鐃緒申鐃緒申Web鐃緒申鐃緒申鐃出わ申流鐃緒申討鐃緒申鐃術ワ申鐃獣トわ申鐃緒申鐃緒申鐃緒申未任鐃緒申鐃緒申鐃緒申鐃緒申罎�鐃緒申鐃緒申鐃緒申僖鐃緒申奪箸鮓�つわ申鐃出わ申鐃塾は￥申鐃緒申鐃緒申覆鐃祝種申屬隼鐃緒申屬筏鐃緒申呂鐃宿�鐃竣でわ申鐃緒申鐃緒申鐃緒申鐃盾、鐃緒申鐃所が発鐃緒申鐃緒申鐃緒申里魯鐃緒申戰鐃夙誌申鐃淑どワ申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃醇す鐃緒申鐃緒申覆里如鐃緒申任鐃緒申鐃緒申Web鐃緒申鐃緒申鐃出にわ申余鐃竣わ申鐃緒申戮鬚�わ申鐃緒申鐃祝どわ申鐃祝わ申鐃緒申鐃緒申鐃緒申鐃夙わ申鐃緒申鐃叔わ申鐃緒申
鐃夙わ申鐃緒申鐃緒け鐃叔￥申鐃緒申鐃緒申淵帖鐃緒申鐃緒申鐃獣てみまわ申鐃緒申
鐃瞬みるお鐃竣わ申発鐃緒申鐃緒申鐃銃わ申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃縦わ申覆鐃緒申鐃緒申僂鐃縮常申鐃緒申任鐃緒申鐃緒申覆鐃緒申鐃�(><)
miruo鐃塾詳細は￥申鐃殉わ申鐃緒申鐃緒申鐃述介さわ申鐃銃わ申鐃緒申鐃緒申鐃緒申鐃縦わ申鐃叔わ申鐃緒申鐃緒申鐃緒申鐃獣わ申鐃緒申鐃緒申鐃緒申函岼枉鐃夙思わ申鐃緒申僖鐃緒申奪箸鐃緒申鐃緒申鐃宿緒申鐃緒申鐃緒申討鐃緒申鐃緒申 tcpdump鐃淳わ申鐃緒申鐃淑ツ￥申鐃緒申廚箸鐃緒申辰鐃緒申箸鐃緒申鐃緒申任鐃緒申腓�鐃緒申鐃緒申
鐃緒申鐃緒申鐃緒申擇鐃淑�鐃緒申鐃緒申
Web鐃緒申鐃緒申鐃出常申鐃�miruo鐃緒申孫圓鐃緒申討澆鐃夙￥申鐃淑駕申鐃塾よう鐃淑件申未鐃宿緒申鐃緒申鐃緒申鐃殉わ申鐃緒申鐃緒申
鐃緒申鐃緒申蓮鐃�Web鐃緒申鐃緒申鐃出わ申memcached鐃緒申鐃緒申続鐃緒申鐃祝わ申鐃獣てわ申鐃緒申鐃粛子でわ申鐃緒申鐃緒申鐃宿わ申鐃緒申蕁�SYN鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申討鐃緒申鐃緒申鐃緒申佑任鐃緒申鐃緒申弔泙蝓�memcached鐃緒申鐃緒申鐃淑わ申蕕�鐃緒申鐃緒申由鐃叔随申鐃緒申鐃緒申鐃緒申続鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃淑わ申鐃淑ってわ申鐃緒申里鐃緒申發件申鐃殉わ申鐃緒申
鐃緒申鐃緒申鐃緒申鐃宿求す鐃緒申
鐃緒申鐃駿は￥申memcached鐃緒申鐃緒申鐃出わ申鐃緒申鐃獣わ申netstat鐃叔常申鐃緒申鐃緒申鐃叔э申鐃緒申討澆泙鐃緒申鐃緒申鐃�
$ netstat -s
(------ 略 -----)
TcpExt:
96 resets received for embryonic SYN_RECV sockets
19626994 TCP sockets finished time wait in fast timer
621 delayed acks sent
Quick ack mode was activated 4268 times
107708 times the listen queue of a socket overflowed
107708 SYNs to LISTEN sockets dropped
97529 packets directly queued to recvmsg prequeue.
22246 bytes directly in process context from backlog
76082834 bytes directly received in process context from prequeue
1761768710 packet headers predicted
(------ 略 -----)
鐃淑わ申函鐃緒申鐃緒申離鐃緒申鐃緒申个鐃緒申鐃渋鰹申鐃緒申鐃緒申鐃緒申鐃曙き鐃曙ず鐃祝￥申SYN鐃緒申鐃所こ鐃旬わ申鐃銃わ申鐃殉ってわ申鐃緒申澆鐃緒申鐃緒申任鐃緒申鐃�memcached鐃緒申backlog鐃熟デフワ申鐃緒申鐃緒申佑鐃緒申鐃術わ申鐃銃わ申鐃緒申里鐃�1024鐃祝なってわ申鐃緒申呂鐃緒申任鐃緒申鐃�
$ memcached -h | grep backlog -b Set the backlog queue limit (default 1024)
鐃緒申鐃緒申辰董鐃緒申鐃緒申鐃緒申鐃�1024鐃緒申足鐃緒申覆鐃緒申覆辰討鐃緒申鐃塾でわ申鐃順う鐃緒申鐃緒申単鐃緒申縫丱奪鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申笋誌申于鐃処す鐃緒申鐃緒申鐃所か鐃淑と器申鐃峻わ申鐃縦つも、鐃宿わ申鐃緒申鐃緒申鐃緒申箸鐃緒申覆鐃緒申辰鐃緒申里鐃� 鐃緒申man listen 鐃薯じっわ申鐃緒申鐃緒申匹鐃緒申屬鐃緒申討鐃緒申鐃緒申箸鐃緒申鐃緒申鐃�
backlog 鐃緒申鐃緒申鐃緒申鐃緒申 /proc/sys/net/core/somaxconn 鐃緒申鐃粛わ申鐃緒申鐃順き鐃緒申鐃緒申弌鐃�backlog 鐃緒申鐃粛は逸申鐃循のわ申鐃緒申鐃祝わ申鐃緒申鐃粛わ申鐃准わ申佑鐃緒申鐃暑。鐃緒申鐃塾フワ申鐃緒申鐃緒申離妊侫鐃緒申鐃緒申 鐃緒申 鐃緒申128 鐃叔わ申鐃暑。鐃出￥申鐃緒申鐃緒申鐃� 2.4.5 鐃緒申鐃緒申鐃塾ワ申鐃緒申鐃粛ワ申任蓮鐃緒申鐃緒申両鐃緒申鐃粛はワ申鐃緒申鐃緒申鐃緒申鐃緒申鐃淳の醐申鐃緒申鐃緒申 SOMAXCONN 鐃叔わ申鐃所、鐃緒申鐃緒申鐃粛わ申 128 鐃叔わ申鐃獣わ申鐃緒申
鐃緒申鐃巡ー鐃緒申予鐃緒申鐃緒申鐃緒申鐃緒申鐃塾で￥申鐃緒申鐃緒申鐃緒申鐃祝ワ申鐃殉ワ申匹鐃獣￥申鐃緒申討澆鐃夙￥申鐃緒申鐃緒申鐃緒申鐃緒申
# sysctl net.core.somaxconn net.core.somaxconn = 128
鐃緒申鐃緒申鐃純あ鐃緒申
鐃渋際はわ申鐃曙、128鐃祝なってわ申鐃緒申鐃緒け鐃叔わ申鐃粛￥申
# sysctl -w net.core.somaxconn=1024
鐃夙わ申鐃緒申memcached鐃緒申撞鐃銃逸申鐃緒申鐃緒申箸鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃叔緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃殉わ申鐃緒申鐃緒申
鐃殉とわ申
MySQL鐃淑どわ申鐃緒申紂種申縫鵐阿鐃緒申鐃緒申鐃淑ども、鐃緒申能鐃緒申紊駕申襪随申鐃緒申backlog鐃緒申鐃粛わ申鐃緒申鐃巡す鐃緒申鐃夙わ申多鐃緒申鐃夙思わ申鐃殉わ申鐃緒申鐃緒申net.core.somaxconn鐃緒申存鐃淳わ申忘鐃緒申鐃獣てわ申鐃緒申函鐃緒申鐃緒申辰鐃緒申鐃緒申鐃緒申蠅件申討鐃緒申鐃緒申抻鐃緒申離鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申覆鐃緒申覆辰討鐃緒申泙鐃緒申鐃叔緒申鐃緒申鐃緒申鐃緒申鐃殉わ申鐃緒申鐃獣に削申鐃緒申離鐃緒申鐃緒申鐃緒申鐃緒申函鐃淑随申鐃緒申鐃熟駕申鐃緒申鐃緒申鐃緒申鐃叔てわ申鐃淑わ申鐃獣わ申鐃塾でわ申鐃緒申鐃緒申鐃緒申任鐃緒申鐃�
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