>
> 好的,谢谢回复,那请问下 taskmanager.memory.task.off-heap.size  这个参数可以通过 下面代码动态设置吗?
>
> streamTableEnv.getConfig().getConfiguration().setString(key, value);
>

不可以的,这个是集群配置。

可以通过 flink-conf.yaml 配置文件进行配置,或者在提交作业时通过 -yD key=value 的方式动态指定。


Thank you~

Xintong Song



On Tue, Nov 17, 2020 at 9:31 AM Andrew <[email protected]> wrote:

> 应该是不可以这样配置的, 通过配置文件;
> taskmanager.memory.task.off-heap.size 参数属于taskmanager启动参数;
>
>
> streamTableEnv.getConfig().getConfiguration().setString(key, value);
> 这种属于任务运行时配置!
>
>
>
> ------------------&nbsp;原始邮件&nbsp;------------------
> 发件人:
>                                                   "user-zh"
>                                                                     <
> [email protected]&gt;;
> 发送时间:&nbsp;2020年11月16日(星期一) 晚上7:14
> 收件人:&nbsp;"[email protected]"<[email protected]&gt;;
>
> 主题:&nbsp;回复: flink-1.11.2 的 内存溢出问题
>
>
>
> 好的,谢谢回复,那请问下 taskmanager.memory.task.off-heap.size&nbsp; 这个参数可以通过
> 下面代码动态设置吗?
>
> streamTableEnv.getConfig().getConfiguration().setString(key, value);
>
> ________________________________
> 发件人: Xintong Song <[email protected]&gt;
> 发送时间: 2020年11月16日 10:59
> 收件人: user-zh <[email protected]&gt;
> 主题: Re: flink-1.11.2 的 内存溢出问题
>
> 那应该不存在内存泄露的问题。应该就是 job 需要的 direct 内存不够用。
> 可以尝试按报错信息中提示的,把 `taskmanager.memory.task.off-heap.size` 调大看看。
> 只调大 TM 的总内存没有用的,不会增加 job 可用的 direct 内存。
>
> Thank you~
>
> Xintong Song
>
>
>
> On Mon, Nov 16, 2020 at 6:38 PM 史 正超 <[email protected]&gt; wrote:
>
> &gt; flink-on-yarn . per-job模式,重启是kafka的group.id
> &gt; 没变,应该是接着offset消费的,但是任务启动不起来。不知道是不是一段时间后,积压导致的。
> &gt; ________________________________
> &gt; 发件人: Xintong Song <[email protected]&gt;
> &gt; 发送时间: 2020年11月16日 10:11
> &gt; 收件人: user-zh <[email protected]&gt;
> &gt; 主题: Re: flink-1.11.2 的 内存溢出问题
> &gt;
> &gt; 是什么部署模式呢?standalone?
> &gt; 之前任务运行一段时间报错之后,重新运行的时候是所有 TM 都重启了吗?还是有复用之前的 TM?
> &gt;
> &gt; Thank you~
> &gt;
> &gt; Xintong Song
> &gt;
> &gt;
> &gt;
> &gt; On Mon, Nov 16, 2020 at 5:53 PM 史 正超 <[email protected]&gt;
> wrote:
> &gt;
> &gt; &gt; 使用的是rocksdb, 并行度是5,1个tm, 5个slot,tm 内存给
> &gt; &gt;
> 10G,启动任务报下面的错误。之前有启动成功过,运行一段时间后,也是报内存溢出,然后接成原来的offset启动任务,直接启动不起来了。
> &gt; &gt;
> &gt; &gt; 2020-11-16 17:44:52
> &gt; &gt; java.lang.OutOfMemoryError: Direct buffer memory. The direct
> &gt; out-of-memory
> &gt; &gt; error has occurred. This can mean two things: either job(s)
> require(s) a
> &gt; &gt; larger size of JVM direct memory or there is a direct memory
> leak. The
> &gt; &gt; direct memory can be allocated by user code or some of its
> dependencies.
> &gt; In
> &gt; &gt; this case 'taskmanager.memory.task.off-heap.size' configuration
> option
> &gt; &gt; should be increased. Flink framework and its dependencies also
> consume
> &gt; the
> &gt; &gt; direct memory, mostly for network communication. The most of
> network
> &gt; memory
> &gt; &gt; is managed by Flink and should not result in out-of-memory
> error. In
> &gt; &gt; certain special cases, in particular for jobs with high
> parallelism, the
> &gt; &gt; framework may require more direct memory which is not managed by
> Flink.
> &gt; In
> &gt; &gt; this case 'taskmanager.memory.framework.off-heap.size'
> configuration
> &gt; option
> &gt; &gt; should be increased. If the error persists then there is
> probably a
> &gt; direct
> &gt; &gt; memory leak in user code or some of its dependencies which has
> to be
> &gt; &gt; investigated and fixed. The task executor has to be shutdown...
> &gt; &gt;&nbsp;&nbsp;&nbsp;&nbsp; at
> java.nio.Bits.reserveMemory(Bits.java:658)
> &gt; &gt;&nbsp;&nbsp;&nbsp;&nbsp; at
> java.nio.DirectByteBuffer.<init&gt;(DirectByteBuffer.java:123)
> &gt; &gt;&nbsp;&nbsp;&nbsp;&nbsp; at
> java.nio.ByteBuffer.allocateDirect(ByteBuffer.java:311)
> &gt; &gt;&nbsp;&nbsp;&nbsp;&nbsp; at
> sun.nio.ch.Util.getTemporaryDirectBuffer(Util.java:174)
> &gt; &gt;&nbsp;&nbsp;&nbsp;&nbsp; at
> sun.nio.ch.IOUtil.read(IOUtil.java:195)
> &gt; &gt;&nbsp;&nbsp;&nbsp;&nbsp; at
> sun.nio.ch.SocketChannelImpl.read(SocketChannelImpl.java:380)
> &gt; &gt;&nbsp;&nbsp;&nbsp;&nbsp; at
> &gt; &gt;
> &gt;
> org.apache.flink.kafka011.shaded.org.apache.kafka.common.network.PlaintextTransportLayer.read(PlaintextTransportLayer.java:109)
> &gt; &gt;&nbsp;&nbsp;&nbsp;&nbsp; at
> &gt; &gt;
> &gt;
> org.apache.flink.kafka011.shaded.org.apache.kafka.common.network.NetworkReceive.readFromReadableChannel(NetworkReceive.java:101)
> &gt; &gt;&nbsp;&nbsp;&nbsp;&nbsp; at
> &gt; &gt;
> &gt;
> org.apache.flink.kafka011.shaded.org.apache.kafka.common.network.NetworkReceive.readFrom(NetworkReceive.java:75)
> &gt; &gt;&nbsp;&nbsp;&nbsp;&nbsp; at
> &gt; &gt;
> &gt;
> org.apache.flink.kafka011.shaded.org.apache.kafka.common.network.KafkaChannel.receive(KafkaChannel.java:203)
> &gt; &gt;&nbsp;&nbsp;&nbsp;&nbsp; at
> &gt; &gt;
> &gt;
> org.apache.flink.kafka011.shaded.org.apache.kafka.common.network.KafkaChannel.read(KafkaChannel.java:167)
> &gt; &gt;&nbsp;&nbsp;&nbsp;&nbsp; at
> &gt; &gt;
> &gt;
> org.apache.flink.kafka011.shaded.org.apache.kafka.common.network.Selector.pollSelectionKeys(Selector.java:381)
> &gt; &gt;&nbsp;&nbsp;&nbsp;&nbsp; at
> &gt; &gt;
> &gt;
> org.apache.flink.kafka011.shaded.org.apache.kafka.common.network.Selector.poll(Selector.java:326)
> &gt; &gt;&nbsp;&nbsp;&nbsp;&nbsp; at
> &gt; &gt;
> &gt;
> org.apache.flink.kafka011.shaded.org.apache.kafka.clients.NetworkClient.poll(NetworkClient.java:433)
> &gt; &gt;&nbsp;&nbsp;&nbsp;&nbsp; at
> &gt; &gt;
> &gt;
> org.apache.flink.kafka011.shaded.org.apache.kafka.clients.consumer.internals.ConsumerNetworkClient.poll(ConsumerNetworkClient.java:232)
> &gt; &gt;&nbsp;&nbsp;&nbsp;&nbsp; at
> &gt; &gt;
> &gt;
> org.apache.flink.kafka011.shaded.org.apache.kafka.clients.consumer.internals.ConsumerNetworkClient.poll(ConsumerNetworkClient.java:208)
> &gt; &gt;&nbsp;&nbsp;&nbsp;&nbsp; at
> &gt; &gt;
> &gt;
> org.apache.flink.kafka011.shaded.org.apache.kafka.clients.consumer.KafkaConsumer.pollOnce(KafkaConsumer.java:1096)
> &gt; &gt;&nbsp;&nbsp;&nbsp;&nbsp; at
> &gt; &gt;
> &gt;
> org.apache.flink.kafka011.shaded.org.apache.kafka.clients.consumer.KafkaConsumer.poll(KafkaConsumer.java:1043)
> &gt; &gt;&nbsp;&nbsp;&nbsp;&nbsp; at
> &gt; &gt;
> &gt;
> org.apache.flink.streaming.connectors.kafka.internal.KafkaConsumerThread.getRecordsFromKafka(KafkaConsumerThread.java:535)
> &gt; &gt;&nbsp;&nbsp;&nbsp;&nbsp; at
> &gt; &gt;
> &gt;
> org.apache.flink.streaming.connectors.kafka.internal.KafkaConsumerThread.run(KafkaConsumerThread.java:264)
> &gt; &gt;
> &gt; &gt;
> &gt; &gt;
> &gt;

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