Hello sy.pan

Thank you for the link. I will try the suggestions.

Cheers,
Nick

2015-06-24 22:35 GMT-04:00 sy.pan <[email protected]>:

> FYI:
>
>
> https://mail-archives.apache.org/mod_mbox/storm-user/201504.mbox/%3ccafbccrcadux8sl8d99tomrbg9hkmo3gkg-qdv-qkmc-6zxs...@mail.gmail.com%3E
>
>
> 在 2015年6月25日,02:14,Nick R. Katsipoulakis <[email protected]> 写道:
>
> Hello all,
>
> I am working on an EC2 Storm cluster, and I want the workers in the
> supervisor machines to use 4GBs of memory, so I add the following line in
> the machine that hosts the nimbus:
>
> worker.childopts-Xmx4096m -XX:+UseConcMarkSweepGC -XX:+UseParNewGC
> -XX:+UseConcMarkSweepGC -XX:NewSize=128m
> -XX:CMSInitiatingOccupancyFraction=70 -XX: -CMSConcurrentMTEnabled
> Djava.net.preferIPv4Stack=true
> However, when I take a look into the workers' logs (on each other machine
> who is running a supervisor), I do not find the above line on the part that
> launches the worker with the given arguments. In fact, I find the following
> line:
>
> 2015-06-24T17:52:45.349+0000 b.s.d.worker [INFO] Launching worker for
> tpch-q5-top-2-1435168361 on 5568726d-ad65-4a7c-ba52-32eed83276ad:6703 with
> id 829f36fc-eeb9-4eef-ae89-9fb6565e9108 and conf {"dev.zookeeper.path"
> "/tmp/dev-storm-zookeeper", "topology.tick.tuple.freq.secs" nil,
> "topology.builtin.metrics.bucket.size.secs" 60,
> "topology.fall.back.on.java.serialization" true,
> "topology.max.error.report.per.interval" 5, "zmq.linger.millis" 5000,
> "topology.skip.missing.kryo.registrations" false,
> "storm.messaging.netty.client_worker_threads" 4, "ui.childopts" "-Xmx768m",
> "storm.zookeeper.session.timeout" 20000, "nimbus.reassign" true,
> "topology.trident.batch.emit.interval.millis" 500, "
> storm.messaging.netty.flush.check.interval.ms" 10,
> "nimbus.monitor.freq.secs" 10, "logviewer.childopts" "-Xmx128m",
> "java.library.path" "/usr/local/lib:/opt/local/lib:/usr/lib", "storm.home"
> "/opt/apache-storm-0.9.4", "topology.executor.send.buffer.size" 1024,
> "storm.local.dir" "/mnt/storm", "storm.messaging.netty.buffer_size"
> 10485760, "supervisor.worker.start.timeout.secs" 120,
> "topology.enable.message.timeouts" true, "nimbus.cleanup.inbox.freq.secs"
> 600, "nimbus.inbox.jar.expiration.secs" 3600, "drpc.worker.threads" 64,
> "storm.meta.serialization.delegate"
> "backtype.storm.serialization.DefaultSerializationDelegate",
> "topology.worker.shared.thread.pool.size" 4, "nimbus.host" "52.25.74.163",
> "storm.messaging.netty.min_wait_ms" 100, "storm.zookeeper.port" 2181,
> "transactional.zookeeper.port" nil, "topology.executor.receive.buffer.size"
> 1024, "transactional.zookeeper.servers" nil, "storm.zookeeper.root"
> "/storm", "storm.zookeeper.retry.intervalceiling.millis" 30000,
> "supervisor.enable" true, "storm.messaging.netty.server_worker_threads" 4,
> "storm.zookeeper.servers" ["172.31.28.73" "172.31.38.251" "172.31.38.252"],
> "transactional.zookeeper.root" "/transactional", "topology.acker.executors"
> nil, "topology.transfer.buffer.size" 1024, "topology.worker.childopts" nil,
> "drpc.queue.size" 128, "worker.childopts" "-Xmx768m",
> "supervisor.heartbeat.frequency.secs" 5,
> "topology.error.throttle.interval.secs" 10, "zmq.hwm" 0, "drpc.port" 3772,
> "supervisor.monitor.frequency.secs" 3, "drpc.childopts" "-Xmx768m",
> "topology.receiver.buffer.size" 8, "task.heartbeat.frequency.secs" 3,
> "topology.tasks" nil, "storm.messaging.netty.max_retries" 100,
> "topology.spout.wait.strategy"
> "backtype.storm.spout.SleepSpoutWaitStrategy",
> "nimbus.thrift.max_buffer_size" 1048576, "topology.max.spout.pending" nil,
> "storm.zookeeper.retry.interval" 1000, "
> topology.sleep.spout.wait.strategy.time.ms" 1,
> "nimbus.topology.validator"
> "backtype.storm.nimbus.DefaultTopologyValidator", "supervisor.slots.ports"
> [6700 6701 6702 6703], "topology.environment" nil, "topology.debug" false,
> "nimbus.task.launch.secs" 120, "nimbus.supervisor.timeout.secs" 60,
> "topology.message.timeout.secs" 30, "task.refresh.poll.secs" 10,
> "topology.workers" 1, "supervisor.childopts" "-Xmx256m",
> "nimbus.thrift.port" 6627, "topology.stats.sample.rate" 0.05,
> "worker.heartbeat.frequency.secs" 1, "topology.tuple.serializer"
> "backtype.storm.serialization.types.ListDelegateSerializer",
> "topology.disruptor.wait.strategy"
> "com.lmax.disruptor.BlockingWaitStrategy", "topology.multilang.serializer"
> "backtype.storm.multilang.JsonSerializer", "nimbus.task.timeout.secs" 30,
> "storm.zookeeper.connection.timeout" 15000, "topology.kryo.factory"
> "backtype.storm.serialization.DefaultKryoFactory", "drpc.invocations.port"
> 3773, "logviewer.port" 8000, "zmq.threads" 1, "storm.zookeeper.retry.times"
> 5, "topology.worker.receiver.thread.count" 1, "storm.thrift.transport"
> "backtype.storm.security.auth.SimpleTransportPlugin",
> "topology.state.synchronization.timeout.secs" 60,
> "supervisor.worker.timeout.secs" 30, "nimbus.file.copy.expiration.secs"
> 600, "storm.messaging.transport" "backtype.storm.messaging.netty.Context", "
> logviewer.appender.name" "A1", "storm.messaging.netty.max_wait_ms" 1000,
> "drpc.request.timeout.secs" 600, "storm.local.mode.zmq" false, "ui.port"
> 8080, "nimbus.childopts" "-Xmx1024m", "storm.cluster.mode" "distributed",
> "topology.max.task.parallelism" nil,
> "storm.messaging.netty.transfer.batch.size" 262144, "topology.classpath"
> nil}
>
> which as you can see uses topology.worker.childopts: nil and
> worker.childops: -Xmx768m. My question is the following: Do I need to add
> the above line in the storm.yaml files of my supervisor nodes in order to
> allow the JVM to use up to 4GBs of memory? Also, am I setting the right
> value for what I am trying to achieve?
>
> Thanks,
> Nick
>
>
>


-- 
Nikolaos Romanos Katsipoulakis,
University of Pittsburgh, PhD candidate

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