您好!您提到的问题“Buffer pool is destroyed”通常意味着在尝试使用已经关闭或销毁的资源时出现了错误。这在使用Flink的RichFlatMapFunction并管理第三方KV存储连接(如数据库连接池)时可能会遇到。针对您的问题,这里有一些建议: 确保资源生命周期管理正确:在Flink中,open()方法用于初始化操作,比如建立数据库连接,而cl...
任务运行时异常:Buffer pool is destroyed. 任务运行时异常:Buffer pool is destroyed. 问题描述/异常栈 java.lang.RuntimeException: Buffer pool is destroyed. at org.apache.flink.streaming.runtime.io.RecordWriterOutput.pushToRecordWriter(RecordWriterOutput.java:110) ~[flink-streaming-java_2.11-1.8.1....
当某一个 SQL 语句扫描了大量的数据时,在 Buffer Pool 空间比较有限的情况下,可能会将 Buffer Pool 里的所有页都替换出去,导致大量热数据被淘汰了,等这些热数据又被再次访问的时候,由于缓存未命中,就会产生大量的磁盘 IO,MySQL 性能就会急剧下降,这个过程被称为 Buffer Pool 污染。 注意, Buffer Pool 污染并不...
近期Flink 作业偶发报错:java.lang.IllegalStateException: Buffer pool is destroyed. 通过GOOGLE和百度查询结果有: 1、jdk问题:发送数据源方jdk版本高于Flink使用方,需要提高jdk版本解决 2、数据源问题(某个数据源为空),由于这个报错往往与"Could not forward element to next ... ...
求助flink Buffer pool is destroyed异常hi, 大家好！ 今天运行flink时抛出了Buffer pool is destroyed...
[1]https://github.com/apache/flink/blob/master/flink-runtime/src/main/java/org/apache/flink/runtime/io/network/buffer/LocalBufferPool.java#L265Thanks for your suggestions and here is my stack trace: java.lang.RuntimeException: Buffer pool is destroyed. ...
Summary: IllegalStateException: Buffer pool is destroyed Key: FLINK-9054 URL:https://issues.apache.org/jira/browse/FLINK-9054Project: Flink Issue Type: Bug Components: Cluster Management, Configuration, Core Affects Versions: 1.4.2 Reporter: dhiraj prajapati ...
flink-release-1.7.2/flink-runtime/src/main/java/org/apache/flink/runtime/io/network/buffer/BufferPoolFactory.java public interface BufferPoolFactory { /** * Tries to create a buffer pool, which is guaranteed to provide at least the number of required ...
BufferPool createBufferPool(int numRequiredBuffers, int maxUsedBuffers) throws IOException; /** * Tries to create a buffer pool with an optional owner, which is guaranteed to provide at least the * number of required buffers. * * The buffer pool is of dynamic size with at least numRequired...
Flink collector.collect 是报Buffer pool is destroyed.at org.apache.flink.streaming.runtime.io....