Key Default Description
taskmanager.network.netty.client.connectTimeoutSec
120 The Netty client connection timeout.
taskmanager.network.netty.client.numThreads
-1 The number of Netty client threads.
taskmanager.network.netty.num-arenas
-1 The number of Netty arenas.
taskmanager.network.netty.sendReceiveBufferSize
0 The Netty send and receive buffer size. This defaults to the system buffer size (cat /proc/sys/net/ipv4/tcp_[rw]mem) and is 4 MiB in modern Linux.
taskmanager.network.netty.server.backlog
0 The netty server connection backlog.
taskmanager.network.netty.server.numThreads
-1 The number of Netty server threads.
taskmanager.network.netty.transport
"nio" The Netty transport type, either "nio" or "epoll"