Hi Expert,

  I have this error in the Cassandra logs,the nodes are ok and behave as normal,

INFO  [epollEventLoopGroup-2-8] 2018-05-05 16:57:45,537 Message.java:623 - Unexpected exception during request; channel = [id: 0xa4879fdd, L:/10.175.20.112:9042 - R:/10.175.20.73:2508]

io.netty.channel.unix.Errors$NativeIoException: syscall:read(...)() failed: Connection reset by peer

        at io.netty.channel.unix.FileDescriptor.readAddress(...)(Unknown Source) ~[netty-all-4.0.44.Final.jar:4.0.44.Final]

INFO  [epollEventLoopGroup-2-9] 2018-05-05 16:57:45,537 Message.java:623 - Unexpected exception during request; channel = [id: 0x86e1a3d9, L:/10.175.20.112:9042 - R:/10.175.20.37:44006]

io.netty.channel.unix.Errors$NativeIoException: syscall:read(...)() failed: Connection reset by peer

        at io.netty.channel.unix.FileDescriptor.readAddress(...)(Unknown Source) ~[netty-all-4.0.44.Final.jar:4.0.44.Final]

INFO  [HintsDispatcher:43] 2018-05-05 16:57:49,991 HintsStore.java:126 - Deleted hint file 5696cbef-edd1-42a6-b4f1-3c2f0881b8cb-1525510648347-1.hints

INFO  [HintsDispatcher:43] 2018-05-05 16:57:49,991 HintsDispatchExecutor.java:282 - Finished hinted handoff of file 5696cbef-edd1-42a6-b4f1-3c2f0881b8cb-1525510648347-1.hints to endpoint /10.175.20.114: 5696cbef-edd1-42a6-b4f1-3c2f0881b8cb

INFO  [Service Thread] 2018-05-05 16:58:01,159 GCInspector.java:284 - ParNew GC in 309ms.  CMS Old Gen: 1258291920 -> 1258482424; Par Eden Space: 503316480 -> 0; Par Survivor Space: 700080 -> 782256

WARN  [GossipTasks:1] 2018-05-05 16:58:23,273 Gossiper.java:791 - Gossip stage has 2 pending tasks; skipping status check (no nodes will be marked down)

INFO  [HintsDispatcher:44] 2018-05-05 16:58:33,913 HintsStore.java:126 - Deleted hint file 21033fe2-dca9-42a5-8e68-496dd3517f53-1525510690633-1.hints

INFO  [HintsDispatcher:44] 2018-05-05 16:58:33,913 HintsDispatchExecutor.java:282 - Finished hinted handoff of file 21033fe2-dca9-42a5-8e68-496dd3517f53-1525510690633-1.hints to endpoint /10.175.20.113: 21033fe2-dca9-42a5-8e68-496dd3517f53

INFO  [epollEventLoopGroup-2-10] 2018-05-05 16:58:41,750 Message.java:623 - Unexpected exception during request; channel = [id: 0xc640c7a2, L:/10.175.20.112:9042 - R:/10.175.20.37:56784]

io.netty.channel.unix.Errors$NativeIoException: syscall:read(...)() failed: Connection reset by peer

        at io.netty.channel.unix.FileDescriptor.readAddress(...)(Unknown Source) ~[netty-all-4.0.44.Final.jar:4.0.44.Final]

the limit setting in CentOS 6.8 is setting as below :

* hard memlock unlimited

* hard nofile 100000

* soft nofile 100000

* soft memlock unlimited

* hard nproc 32768

* hard as unlimited

* soft nproc 32768

* soft as unlimited

root soft nofile 32768

root hard nofile 32768

 

  can I ignore this error or do you have any suggestions about this error?

 

Best Regards,

 

/ David Ni

ƵµƼ޹˾

Virtue Intelligent Network Ltd, co.

Add: 2003,20F No.35 Luojia creative city,Luoyu Road,Wuhan,HuBei

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