flink-conf.yaml

Flink 配置文件 对于管理员来说，差不多经常调整的就只有 conf 下的flink-conf.yaml ： 经过初步的调整，大约有以下模块的参数（未优化）

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==============================================================================

Jobmanager && TaskManager 的基本参数

==============================================================================

jobmanager.rpc.address: flink-master

jobmanager.rpc.port: 6123
jobmanager.heap.size: 32768m
jobstore.cache-size: 52428800
taskmanager.heap.size: 92160m
taskmanager.numberOfTaskSlots: 30
parallelism.default: 3
io.tmp.dirs: /data1/data/flink/local
taskmanager.network.numberOfBuffers: 4096
taskmanager.memory.fraction: 0.7
taskmanager.memory.preallocate: false
taskmanager.debug.memory.startLogThread: 8
taskmanager.debug.memory.logIntervalMs: 3600000
blob.fetch.retries: 50
blob.fetch.num-concurrent: 200
blob.fetch.backlog: 500
task.cancellation-interval: 30000
taskmanager.exit-on-fatal-akka-error: false
taskkmanager.log.path:

==============================================================================

High Availability && and checkpointing

=============================================================================

high-availability: ZOOKEEPER
high-availability.cluster-id: /default_flink_dc
high-availability.zookeeper.quorum: VECS01455:2181,VECS01456:2181,VECS01457:2181,VECS01458:2181,VECS01459:2181
high-availability.storageDir: hdfs://flashHadoop/flink/recovery
high-availability.zookeeper.path.root: /flink
high-availability.zookeeper.path.checkpoint-counter: /checkpoint-counter
high-availability.zookeeper.path.checkpoints: /checkpoints
high-availability.zookeeper.path.jobgraphs: /jobgraphs
high-availability.zookeeper.path.latch: /leaderlatch
high-availability.zookeeper.path.leader: /leader
high-availability.zookeeper.path.mesos-workers: /mesos-workers
high-availability.zookeeper.path.running-registry: /running_job_registry/
high-availability.zookeeper.client.connection-timeout: 18000
high-availability.zookeeper.client.max-retry-attempts: 10
high-availability.zookeeper.client.retry-wait: 5000
high-availability.zookeeper.client.session-timeout: 60000

==============================================================================

HDFS and Fault tolerance and checkpointing

==============================================================================

fs.default-scheme: hdfs://flashHadoop/flink/data
fs.output.always-create-directory: false
fs.overwrite-files: false

state.backend: filesystem
state.backend.async: true
state.backend.fs.memory-threshold: 4096
state.backend.incremental: false
state.backend.local-recovery: false
state.checkpoints.dir: hdfs://flashHadoop/flink/checkpoints_data
state.checkpoints.num-retained: 1
state.savepoints.dir: hdfs://flashHadoop/flink/savepoints_data

==============================================================================

Web Frontend

==============================================================================

web.address: 0.0.0.0
web.access-control-allow-origin: "*"
web.backpressure.cleanup-interval: 600000
web.backpressure.delay-between-samples: 50
web.backpressure.num-samples: 100
web.backpressure.refresh-interval: 60000
web.checkpoints.history: 20
web.history: 20
web.log.path: /data1/data/flink/web/log
web.refresh-interval: 3000
web.submit.enable: true
web.timeout: 10000
web.tmpdir: /data1/data/flink/web/tmp

==============================================================================

Flink Cluster Security Configuration

==============================================================================

test is not set Security

==============================================================================

HistoryServer Config

==============================================================================

historyserver.web.address: 0.0.0.0
historyserver.web.port: 8082
historyserver.archive.fs.dir: hdfs://flashHadoop/flink/completed_jobs/
historyserver.archive.fs.refresh-interval: 2000
historyserver.web.tmpdir: /data1/data/flink/tmp

==============================================================================

==============================================================================

Environment 角色环境 申明

==============================================================================

env.java.opts: -XX:+UseG1GC -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+G1SummarizeConcMark -XX:MaxGCPauseMillis=100 -XX:-ResizePLAB -XX:+ParallelRefProcEnabled -XX:ParallelGCThreads=24 -XX:ConcGCThreads=16 -XX:G1HeapWastePercent=3 -XX:InitiatingHeapOccupancyPercent=35 -XX:G1MixedGCLiveThresholdPercent=85

env.java.opts.historyserver: -Xmx16g -Xms16g -Xmn4g -XX:+UseG1GC -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+G1SummarizeConcMark -XX:MaxGCPauseMillis=100 -XX:-ResizePLAB -XX:+ParallelRefProcEnabled -XX:+AlwaysPreTouch -XX:ParallelGCThreads=24 -XX:ConcGCThreads=16 -XX:G1HeapWastePercent=3 -XX:InitiatingHeapOccupancyPercent=35 -XX:G1MixedGCLiveThresholdPercent=85 -verbose:gc -XX:+PrintGCDetails -XX:+PrintGCTimeStamps -XX:+PrintGCDateStamps -Xloggc:/data1/data/flink/gc/gc-historyserver-hostname.log

env.java.opts.jobmanager: -XX:+UseG1GC -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+G1SummarizeConcMark -XX:MaxGCPauseMillis=100 -XX:-ResizePLAB -XX:+ParallelRefProcEnabled -XX:ParallelGCThreads=24 -XX:ConcGCThreads=16 -XX:G1HeapWastePercent=3 -XX:InitiatingHeapOccupancyPercent=35 -XX:G1MixedGCLiveThresholdPercent=85 -verbose:gc -XX:+PrintGCDetails -XX:+PrintGCTimeStamps -XX:+PrintGCDateStamps -Xloggc:/data1/data/flink/gc/gc-jobmanager-hostname.log

env.java.opts.taskmanager: -XX:+UseG1GC -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+G1SummarizeConcMark -XX:MaxGCPauseMillis=100 -XX:-ResizePLAB -XX:+ParallelRefProcEnabled -XX:ParallelGCThreads=24 -XX:ConcGCThreads=16 -XX:G1HeapWastePercent=3 -XX:InitiatingHeapOccupancyPercent=35 -XX:G1MixedGCLiveThresholdPercent=85 -verbose:gc -XX:+PrintGCDetails -XX:+PrintGCTimeStamps -XX:+PrintGCDateStamps -Xloggc:/data1/data/flink/gc/gc-taskmanager-hostname.log

env.log.dir: /data1/data/flink/log

env.log.max: 1