Key Default Type Description
taskmanager.network.netty.client.connectTimeoutSec
120 Integer The Netty client connection timeout.
taskmanager.network.netty.client.numThreads
-1 Integer The number of Netty client threads.
taskmanager.network.netty.num-arenas
-1 Integer The number of Netty arenas.
taskmanager.network.netty.sendReceiveBufferSize
0 Integer 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 Integer The netty server connection backlog.
taskmanager.network.netty.server.numThreads
-1 Integer The number of Netty server threads.
taskmanager.network.netty.transport
"auto" String The Netty transport type, either "nio" or "epoll". The "auto" means selecting the property mode automatically based on the platform. Note that the "epoll" mode can get better performance, less GC and have more advanced features which are only available on modern Linux.