Under low workload it is INFO but under heavy workload, it causes system crushes.
On Wed, Aug 2, 2023 at 7:18 AM liu ron <ron9....@gmail.com> wrote: > Hi, Kenan > > I think you maybe can get help from Kafka community. IMO, it is just an > info level log, whether it has a real impact? > > > Best, > Ron > > Kenan Kılıçtepe <kkilict...@gmail.com> 于2023年8月2日周三 06:04写道： > >> I got a lot of these disconnection error logs. Why? My flink and kafka >> clusters are running in Google Cloud and I dont think there is a network >> issue. Also I got this error even my workload is very low. >> >> 2023-08-01 21:54:00,003 INFO org.apache.kafka.clients.NetworkClient >> [] - [Producer clientId=producer-7] Node -1 disconnected. >> 2023-08-01 21:54:00,003 INFO org.apache.kafka.clients.NetworkClient >> [] - [Producer clientId=producer-15] Node -1 disconnected. >> 2023-08-01 21:54:00,004 INFO org.apache.kafka.clients.NetworkClient >> [] - [Producer clientId=producer-3] Node -1 disconnected. >> 2023-08-01 21:54:00,108 INFO org.apache.kafka.clients.NetworkClient >> [] - [Producer clientId=producer-39] Node -1 disconnected. >> 2023-08-01 21:54:00,109 INFO org.apache.kafka.clients.NetworkClient >> [] - [Producer clientId=producer-11] Node -1 disconnected. >> 2023-08-01 21:54:03,000 INFO org.apache.kafka.clients.NetworkClient >> [] - [Producer clientId=producer-18] Node -1 disconnected. >> 2023-08-01 21:54:05,128 INFO org.apache.kafka.clients.NetworkClient >> [] - [Consumer clientId=cpu_46330-9, >> groupId=cpualgosgroup1] Disconnecting from node 2 due to request timeout. >> 2023-08-01 21:54:05,128 INFO org.apache.kafka.clients.NetworkClient >> [] - [Consumer clientId=cpu_46330-9, >> groupId=cpualgosgroup1] Cancelled in-flight FETCH request with correlation >> id 3774321 due to node 2 being disconnected (elapsed time since creation: >> 38505ms, elapsed time since send: 38505ms, request timeout: 30000ms) >> 2023-08-01 21:54:05,128 INFO >> org.apache.kafka.clients.FetchSessionHandler [] - >> [Consumer clientId=cpu_46330-9, groupId=cpualgosgroup1] Error sending fetch >> request (sessionId=661615761, epoch=1) to node 2: >> org.apache.kafka.common.errors.DisconnectException: null >> 2023-08-01 21:54:09,198 INFO org.apache.kafka.clients.NetworkClient >> [] - [Consumer clientId=cpu_46330-7, >> groupId=cpualgosgroup1] Disconnecting from node 1 due to request timeout. >> 2023-08-01 21:54:09,198 INFO org.apache.kafka.clients.NetworkClient >> [] - [Consumer clientId=cpu_46330-7, >> groupId=cpualgosgroup1] Cancelled in-flight FETCH request with correlation >> id 6902407 due to node 1 being disconnected (elapsed time since creation: >> 38677ms, elapsed time since send: 38677ms, request timeout: 30000ms) >> 2023-08-01 21:54:09,198 INFO >> org.apache.kafka.clients.FetchSessionHandler [] - >> [Consumer clientId=cpu_46330-7, groupId=cpualgosgroup1] Error sending fetch >> request (sessionId=1602736870, epoch=1) to node 1: >> org.apache.kafka.common.errors.DisconnectException: null >> 2023-08-01 21:54:10,425 INFO org.apache.kafka.clients.NetworkClient >> [] - [Producer clientId=producer-12] Node -1 disconnected. >> 2023-08-01 21:54:10,427 INFO org.apache.kafka.clients.NetworkClient >> [] - [Producer clientId=producer-45] Node -1 disconnected. >> 2023-08-01 21:54:19,148 INFO org.apache.kafka.clients.NetworkClient >> [] - [Consumer clientId=cpu_46330-2, >> groupId=cpualgosgroup1] Disconnecting from node 2 due to request timeout. >> 2023-08-01 21:54:19,148 INFO org.apache.kafka.clients.NetworkClient >> [] - [Consumer clientId=cpu_46330-2, >> groupId=cpualgosgroup1] Cancelled in-flight FETCH request with correlation >> id 7250900 due to node 2 being disconnected (elapsed time since creation: >> 41074ms, elapsed time since send: 41073ms, request timeout: 30000ms) >> 2023-08-01 21:54:19,148 INFO >> org.apache.kafka.clients.FetchSessionHandler [] - >> [Consumer clientId=cpu_46330-2, groupId=cpualgosgroup1] Error sending fetch >> request (sessionId=151959173, epoch=INITIAL) to node 2: >> org.apache.kafka.common.errors.DisconnectException: null >> 2023-08-01 21:59:00,002 INFO org.apache.kafka.clients.NetworkClient >> [] - [Producer clientId=producer-27] Node 2 disconnected. >> 2023-08-01 21:59:00,003 INFO org.apache.kafka.clients.NetworkClient >> [] - [Producer clientId=producer-13] Node 2 disconnected. >> >>
