Alexander Petrovsky created KAFKA-5814: ------------------------------------------
Summary: java.lang.OutOfMemoryError: Direct buffer memory Key: KAFKA-5814 URL: https://issues.apache.org/jira/browse/KAFKA-5814 Project: Kafka Issue Type: Bug Components: core Reporter: Alexander Petrovsky Hello! We have in our production - kafka_2.12-0.10.2.1 - # java -version openjdk version "1.8.0_131" OpenJDK Runtime Environment (build 1.8.0_131-b12) OpenJDK 64-Bit Server VM (build 25.131-b12, mixed mode) And we had strange behavior with kafka with result to big outage: {code:java} авг 30 21:17:19 2kafka01.rtty.in kafka-server-start.sh[97716]: [2017-08-30 21:17:19,266] ERROR Processor got uncaught exception. (kafka.network.Processor) авг 30 21:17:19 2kafka01.rtty.in kafka-server-start.sh[97716]: java.lang.OutOfMemoryError: Direct buffer memory авг 30 21:17:19 2kafka01.rtty.in kafka-server-start.sh[97716]: at java.nio.Bits.reserveMemory(Bits.java:694) авг 30 21:17:19 2kafka01.rtty.in kafka-server-start.sh[97716]: at java.nio.DirectByteBuffer.<init>(DirectByteBuffer.java:123) авг 30 21:17:19 2kafka01.rtty.in kafka-server-start.sh[97716]: at java.nio.ByteBuffer.allocateDirect(ByteBuffer.java:311) авг 30 21:17:19 2kafka01.rtty.in kafka-server-start.sh[97716]: at sun.nio.ch.Util.getTemporaryDirectBuffer(Util.java:241) авг 30 21:17:19 2kafka01.rtty.in kafka-server-start.sh[97716]: at sun.nio.ch.IOUtil.read(IOUtil.java:195) авг 30 21:17:19 2kafka01.rtty.in kafka-server-start.sh[97716]: at sun.nio.ch.SocketChannelImpl.read(SocketChannelImpl.java:380) авг 30 21:17:19 2kafka01.rtty.in kafka-server-start.sh[97716]: at org.apache.kafka.common.network.PlaintextTransportLayer.read(PlaintextTransportLayer.java:110) авг 30 21:17:19 2kafka01.rtty.in kafka-server-start.sh[97716]: at org.apache.kafka.common.network.NetworkReceive.readFromReadableChannel(NetworkReceive.java:97) авг 30 21:17:19 2kafka01.rtty.in kafka-server-start.sh[97716]: at org.apache.kafka.common.network.NetworkReceive.readFrom(NetworkReceive.java:71) авг 30 21:17:19 2kafka01.rtty.in kafka-server-start.sh[97716]: at org.apache.kafka.common.network.KafkaChannel.receive(KafkaChannel.java:169) авг 30 21:17:19 2kafka01.rtty.in kafka-server-start.sh[97716]: at org.apache.kafka.common.network.KafkaChannel.read(KafkaChannel.java:150) авг 30 21:17:19 2kafka01.rtty.in kafka-server-start.sh[97716]: at org.apache.kafka.common.network.Selector.pollSelectionKeys(Selector.java:355) авг 30 21:17:19 2kafka01.rtty.in kafka-server-start.sh[97716]: at org.apache.kafka.common.network.Selector.poll(Selector.java:303) авг 30 21:17:19 2kafka01.rtty.in kafka-server-start.sh[97716]: at kafka.network.Processor.poll(SocketServer.scala:494) авг 30 21:17:19 2kafka01.rtty.in kafka-server-start.sh[97716]: at kafka.network.Processor.run(SocketServer.scala:432) авг 30 21:17:19 2kafka01.rtty.in kafka-server-start.sh[97716]: at java.lang.Thread.run(Thread.java:748) {code} Only kafka cluster restart helps to fix this problem. I wonder, why this problem have take a place, cause we running kafka with follow options Environment="KAFKA_HEAP_OPTS=-Xmx5G -Xms5G -XX:MaxDirectMemorySize=2G" -- This message was sent by Atlassian JIRA (v6.4.14#64029)