如何防止连接泄漏到cassandra(如果这里发生了这种情况)?

liwlm1x9  于 2021-06-10  发布在  Cassandra
关注(0)|答案(0)|浏览(231)

从cassandra获取数据的web应用程序报告了一个警告:
network.socket.socket:资源耗尽(打开的文件太多)
事实上,web应用程序不再为请求提供服务。尝试 lsof ,我看到大约7000个( FarmDataS 申请是否有问题):

FarmDataS 28642                            nixos  628u     IPv4            7629405       0t0        TCP localhost:50566->localhost:9042 (ESTABLISHED)
FarmDataS 28642                            nixos  629u     IPv4            7620920       0t0        TCP localhost:45194->localhost:9042 (ESTABLISHED)
FarmDataS 28642                            nixos  630u     IPv4            7623877       0t0        TCP localhost:46636->localhost:9042 (ESTABLISHED)
FarmDataS 28642                            nixos  631u     IPv4            7630014       0t0        TCP localhost:50576->localhost:9042 (ESTABLISHED)
FarmDataS 28642                            nixos  632u     IPv4            7620925       0t0        TCP localhost:45208->localhost:9042 (ESTABLISHED)
FarmDataS 28642                            nixos  633u     IPv4            7627004       0t0        TCP localhost:48962->localhost:9042 (ESTABLISHED)
FarmDataS 28642                            nixos  634u     IPv4            7623892       0t0        TCP localhost:46650->localhost:9042 (ESTABLISHED)
FarmDataS 28642                            nixos  635u     IPv4            7620930       0t0        TCP localhost:45222->localhost:9042 (ESTABLISHED)
FarmDataS 28642                            nixos  636u     IPv4            7629433       0t0        TCP localhost:50584->localhost:9042 (ESTABLISHED)
FarmDataS 28642                            nixos  637u     IPv4            7632021       0t0        TCP localhost:51616->localhost:9042 (ESTABLISHED)
FarmDataS 28642                            nixos  638u     IPv4            7620935       0t0        TCP localhost:45236->localhost:9042 (ESTABLISHED)
FarmDataS 28642                            nixos  639u     IPv4            7623911       0t0        TCP localhost:46664->localhost:9042 (ESTABLISHED)
FarmDataS 28642                            nixos  640u     IPv4            7625707       0t0        TCP localhost:48976->localhost:9042 (ESTABLISHED)
FarmDataS 28642                            nixos  641u     IPv4            7621926       0t0        TCP localhost:45250->localhost:9042 (ESTABLISHED)
FarmDataS 28642                            nixos  642u     IPv4            7632589       0t0        TCP localhost:52138->localhost:9042 (ESTABLISHED)
FarmDataS 28642                            nixos  643u     IPv4            7623930       0t0        TCP localhost:46678->localhost:9042 (ESTABLISHED)
FarmDataS 28642                            nixos  644u     IPv4            7621945       0t0        TCP localhost:45264->localhost:9042 (ESTABLISHED)
FarmDataS 28642                            nixos  645u     IPv4            7630028       0t0        TCP localhost:50600->localhost:9042 (ESTABLISHED)
FarmDataS 28642                            nixos  646u     IPv4            7625726       0t0        TCP localhost:48990->localhost:9042 (ESTABLISHED)
FarmDataS 28642                            nixos  647u     IPv4            7621964       0t0        TCP localhost:45278->localhost:9042 (ESTABLISHED)
FarmDataS 28642                            nixos  648u     IPv4            7623948       0t0        TCP localhost:46692->localhost:9042 (ESTABLISHED)
FarmDataS 28642                            nixos  649u     IPv4            7627011       0t0        TCP localhost:48998->localhost:9042 (ESTABLISHED)
FarmDataS 28642                            nixos  650u     IPv4            7621983       0t0        TCP localhost:45292->localhost:9042 (ESTABLISHED)
FarmDataS 28642                            nixos  651u     IPv4            7629447       0t0        TCP localhost:50616->localhost:9042 (ESTABLISHED)
FarmDataS 28642                            nixos  652u     IPv4            7623967       0t0        TCP localhost:46706->localhost:9042 (ESTABLISHED)
FarmDataS 28642                            nixos  653u     IPv4            7622000       0t0        TCP localhost:45306->localhost:9042 (ESTABLISHED)
FarmDataS 28642                            nixos  654u     IPv4            7632024       0t0        TCP localhost:51622->localhost:9042 (ESTABLISHED)
FarmDataS 28642                            nixos  655u     IPv4            7630061       0t0        TCP localhost:50626->localhost:9042 (ESTABLISHED)
FarmDataS 28642                            nixos  656u     IPv4            7622019       0t0        TCP localhost:45320->localhost:9042 (ESTABLISHED)
FarmDataS 28642                            nixos  657u     IPv4            7623986       0t0        TCP localhost:46720->localhost:9042 (ESTABLISHED)
FarmDataS 28642                            nixos  658u     IPv4            7632058       0t0        TCP localhost:51642->localhost:9042 (ESTABLISHED)
FarmDataS 28642                            nixos  659u     IPv4            7620953       0t0        TCP localhost:45334->localhost:9042 (ESTABLISHED)

我想这是某个连接被泄露的征兆,还是有其他的罪魁祸首?我很惊讶空闲连接没有被清理,但也许这是一个配置设置,我可以改变Cassandra?

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