| celeborn.<module>.fetch.timeoutCheck.interval |
5s |
Interval for checking fetch data timeout. It only support setting to data since it works for shuffle client fetch data. |
0.3.0 |
| celeborn.<module>.fetch.timeoutCheck.threads |
4 |
Threads num for checking fetch data timeout. It only support setting to data since it works for shuffle client fetch data. |
0.3.0 |
| celeborn.<module>.heartbeat.interval |
60s |
The heartbeat interval between worker and client. If setting to rpc, it works for shuffle client. If setting to data, it works for shuffle client push and fetch data. If setting to replicate, it works for replicate client of worker replicating data to peer worker. |
0.3.0 |
| celeborn.<module>.io.backLog |
0 |
Requested maximum length of the queue of incoming connections. Default 0 for no backlog. If setting to rpc, it works for master or worker. If setting to push, it works for worker receiving push data. If setting to replicate, it works for replicate server of worker replicating data to peer worker. If setting to fetch, it works for worker fetch server. |
|
| celeborn.<module>.io.clientThreads |
0 |
Number of threads used in the client thread pool. Default to 0, which is 2x#cores. If setting to rpc, it works for shuffle client. If setting to data, it works for shuffle client push and fetch data. If setting to replicate, it works for replicate client of worker replicating data to peer worker. |
|
| celeborn.<module>.io.connectTimeout |
<value of celeborn.network.connect.timeout> |
Socket connect timeout. If setting to rpc, it works for shuffle client. If setting to data, it works for shuffle client push and fetch data. If setting to replicate, it works for the replicate client of worker replicating data to peer worker. |
|
| celeborn.<module>.io.connectionTimeout |
<value of celeborn.network.timeout> |
Connection active timeout. If setting to rpc, it works for shuffle client, master or worker. If setting to data, it works for shuffle client push and fetch data. If setting to push, it works for worker receiving push data. If setting to replicate, it works for replicate server or client of worker replicating data to peer worker. If setting to fetch, it works for worker fetch server. |
|
| celeborn.<module>.io.enableVerboseMetrics |
false |
Whether to track Netty memory detailed metrics. If true, the detailed metrics of Netty PoolByteBufAllocator will be gotten, otherwise only general memory usage will be tracked. |
|
| celeborn.<module>.io.lazyFD |
true |
Whether to initialize FileDescriptor lazily or not. If true, file descriptors are created only when data is going to be transferred. This can reduce the number of open files. If setting to fetch, it works for worker fetch server. |
|
| celeborn.<module>.io.maxRetries |
3 |
Max number of times we will try IO exceptions (such as connection timeouts) per request. If set to 0, we will not do any retries. If setting to push, it works for Flink shuffle client push data. |
|
| celeborn.<module>.io.mode |
NIO |
Netty EventLoopGroup backend, available options: NIO, EPOLL. |
|
| celeborn.<module>.io.numConnectionsPerPeer |
1 |
Number of concurrent connections between two nodes. If setting to rpc, it works for shuffle client. If setting to data, it works for shuffle client push and fetch data. If setting to replicate, it works for replicate client of worker replicating data to peer worker. |
|
| celeborn.<module>.io.preferDirectBufs |
true |
If true, we will prefer allocating off-heap byte buffers within Netty. If setting to rpc, it works for shuffle client, master or worker. If setting to data, it works for shuffle client push and fetch data. If setting to push, it works for worker receiving push data. If setting to replicate, it works for replicate server or client of worker replicating data to peer worker. If setting to fetch, it works for worker fetch server. |
|
| celeborn.<module>.io.receiveBuffer |
0b |
Receive buffer size (SO_RCVBUF). Note: the optimal size for receive buffer and send buffer should be latency * network_bandwidth. Assuming latency = 1ms, network_bandwidth = 10Gbps buffer size should be ~ 1.25MB. If setting to rpc, it works for shuffle client, master or worker. If setting to data, it works for shuffle client push and fetch data. If setting to push, it works for worker receiving push data. If setting to replicate, it works for replicate server or client of worker replicating data to peer worker. If setting to fetch, it works for worker fetch server. |
0.2.0 |
| celeborn.<module>.io.retryWait |
5s |
Time that we will wait in order to perform a retry after an IOException. Only relevant if maxIORetries > 0. If setting to data, it works for shuffle client push and fetch data. If setting to push, it works for Flink shuffle client push data. |
0.2.0 |
| celeborn.<module>.io.saslTimeout |
30s |
Timeout for a single round trip of auth message exchange, in milliseconds. |
0.5.0 |
| celeborn.<module>.io.sendBuffer |
0b |
Send buffer size (SO_SNDBUF). If setting to rpc, it works for shuffle client, master or worker. If setting to data, it works for shuffle client push and fetch data. If setting to push, it works for worker receiving push data. If setting to replicate, it works for replicate server or client of worker replicating data to peer worker. If setting to fetch, it works for worker fetch server. |
0.2.0 |
| celeborn.<module>.io.serverThreads |
0 |
Number of threads used in the server thread pool. Default to 0, which is 2x#cores. If setting to rpc, it works for master or worker. If setting to push, it works for worker receiving push data. If setting to replicate, it works for replicate server of worker replicating data to peer worker. If setting to fetch, it works for worker fetch server. |
|
| celeborn.<module>.push.timeoutCheck.interval |
5s |
Interval for checking push data timeout. If setting to data, it works for shuffle client push data. If setting to push, it works for Flink shuffle client push data. If setting to replicate, it works for replicate client of worker replicating data to peer worker. |
0.3.0 |
| celeborn.<module>.push.timeoutCheck.threads |
4 |
Threads num for checking push data timeout. If setting to data, it works for shuffle client push data. If setting to push, it works for Flink shuffle client push data. If setting to replicate, it works for replicate client of worker replicating data to peer worker. |
0.3.0 |
| celeborn.<role>.rpc.dispatcher.threads |
<value of celeborn.rpc.dispatcher.threads> |
Threads number of message dispatcher event loop for roles |
|
| celeborn.io.maxDefaultNettyThreads |
64 |
Max default netty threads |
0.3.2 |
| celeborn.network.bind.preferIpAddress |
true |
When ture, prefer to use IP address, otherwise FQDN. This configuration only takes effects when the bind hostname is not set explicitly, in such case, Celeborn will find the first non-loopback address to bind. |
0.3.0 |
| celeborn.network.connect.timeout |
10s |
Default socket connect timeout. |
0.2.0 |
| celeborn.network.memory.allocator.numArenas |
<undefined> |
Number of arenas for pooled memory allocator. Default value is Runtime.getRuntime.availableProcessors, min value is 2. |
0.3.0 |
| celeborn.network.memory.allocator.verbose.metric |
false |
Whether to enable verbose metric for pooled allocator. |
0.3.0 |
| celeborn.network.timeout |
240s |
Default timeout for network operations. |
0.2.0 |
| celeborn.port.maxRetries |
1 |
When port is occupied, we will retry for max retry times. |
0.2.0 |
| celeborn.rpc.askTimeout |
60s |
Timeout for RPC ask operations. It's recommended to set at least 240s when HDFS is enabled in celeborn.storage.activeTypes |
0.2.0 |
| celeborn.rpc.connect.threads |
64 |
|
0.2.0 |
| celeborn.rpc.dispatcher.threads |
0 |
Threads number of message dispatcher event loop. Default to 0, which is availableCore. |
0.3.0 |
| celeborn.rpc.io.threads |
<undefined> |
Netty IO thread number of NettyRpcEnv to handle RPC request. The default threads number is the number of runtime available processors. |
0.2.0 |
| celeborn.rpc.lookupTimeout |
30s |
Timeout for RPC lookup operations. |
0.2.0 |
| celeborn.shuffle.io.maxChunksBeingTransferred |
<undefined> |
The max number of chunks allowed to be transferred at the same time on shuffle service. Note that new incoming connections will be closed when the max number is hit. The client will retry according to the shuffle retry configs (see celeborn.<module>.io.maxRetries and celeborn.<module>.io.retryWait), if those limits are reached the task will fail with fetch failure. |
0.2.0 |
9107779174