Ivan Babrou created KAFKA-4576:
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Summary: Log segments close to max size break on fetch
Key: KAFKA-4576
URL: https://issues.apache.org/jira/browse/KAFKA-4576
Project: Kafka
Issue Type: Bug
Components: log
Affects Versions: 0.10.1.1
Reporter: Ivan Babrou
We are running Kafka 0.10.1.1~rc1 (it's the same as 0.10.1.1).
Max segment size is set to 2147483647 globally, that's 1 byte less than max
signed int32.
Every now and then we see failures like this:
{noformat}
Dec 25 18:20:47 myhost kafka-run-class.sh[2054]: ERROR [Replica Manager on
Broker 1006]: Error processing fetch operation on partition [mytopic,11],
offset 483579108587 (kafka.server.ReplicaManager)
Dec 25 18:20:47 myhost kafka-run-class.sh[2054]:
java.lang.IllegalStateException: Failed to read complete buffer for
targetOffset 483686627237 startPosition 2145701130 in
/disk/data0/kafka-logs/mytopic-11/00000000483571890786.log
Dec 25 18:20:47 myhost kafka-run-class.sh[2054]: at
kafka.log.FileMessageSet.searchForOffsetWithSize(FileMessageSet.scala:145)
Dec 25 18:20:47 myhost kafka-run-class.sh[2054]: at
kafka.log.LogSegment.translateOffset(LogSegment.scala:128)
Dec 25 18:20:47 myhost kafka-run-class.sh[2054]: at
kafka.log.LogSegment.read(LogSegment.scala:180)
Dec 25 18:20:47 myhost kafka-run-class.sh[2054]: at
kafka.log.Log.read(Log.scala:563)
Dec 25 18:20:47 myhost kafka-run-class.sh[2054]: at
kafka.server.ReplicaManager.kafka$server$ReplicaManager$$read$1(ReplicaManager.scala:567)
Dec 25 18:20:47 myhost kafka-run-class.sh[2054]: at
kafka.server.ReplicaManager$$anonfun$readFromLocalLog$1.apply(ReplicaManager.scala:606)
Dec 25 18:20:47 myhost kafka-run-class.sh[2054]: at
kafka.server.ReplicaManager$$anonfun$readFromLocalLog$1.apply(ReplicaManager.scala:605)
Dec 25 18:20:47 myhost kafka-run-class.sh[2054]: at
scala.collection.Iterator$class.foreach(Iterator.scala:893)
Dec 25 18:20:47 myhost kafka-run-class.sh[2054]: at
scala.collection.AbstractIterator.foreach(Iterator.scala:1336)
Dec 25 18:20:47 myhost kafka-run-class.sh[2054]: at
scala.collection.IterableLike$class.foreach(IterableLike.scala:72)
Dec 25 18:20:47 myhost kafka-run-class.sh[2054]: at
scala.collection.AbstractIterable.foreach(Iterable.scala:54)
Dec 25 18:20:47 myhost kafka-run-class.sh[2054]: at
kafka.server.ReplicaManager.readFromLocalLog(ReplicaManager.scala:605)
Dec 25 18:20:47 myhost kafka-run-class.sh[2054]: at
kafka.server.ReplicaManager.fetchMessages(ReplicaManager.scala:469)
Dec 25 18:20:47 myhost kafka-run-class.sh[2054]: at
kafka.server.KafkaApis.handleFetchRequest(KafkaApis.scala:534)
Dec 25 18:20:47 myhost kafka-run-class.sh[2054]: at
kafka.server.KafkaApis.handle(KafkaApis.scala:79)
Dec 25 18:20:47 myhost kafka-run-class.sh[2054]: at
kafka.server.KafkaRequestHandler.run(KafkaRequestHandler.scala:60)
Dec 25 18:20:47 myhost kafka-run-class.sh[2054]: at
java.lang.Thread.run(Thread.java:745)
{noformat}
{noformat}
...
-rw-r--r-- 1 kafka kafka 0 Dec 25 15:15 00000000483557418204.timeindex
-rw-r--r-- 1 kafka kafka 9496 Dec 25 15:26 00000000483564654488.index
-rw-r--r-- 1 kafka kafka 2145763964 Dec 25 15:26 00000000483564654488.log
-rw-r--r-- 1 kafka kafka 0 Dec 25 15:26 00000000483564654488.timeindex
-rw-r--r-- 1 kafka kafka 9576 Dec 25 15:37 00000000483571890786.index
-rw-r--r-- 1 kafka kafka 2147483644 Dec 25 15:37 00000000483571890786.log
-rw-r--r-- 1 kafka kafka 0 Dec 25 15:37 00000000483571890786.timeindex
-rw-r--r-- 1 kafka kafka 9568 Dec 25 15:48 00000000483579135712.index
-rw-r--r-- 1 kafka kafka 2146791360 Dec 25 15:48 00000000483579135712.log
-rw-r--r-- 1 kafka kafka 0 Dec 25 15:48 00000000483579135712.timeindex
-rw-r--r-- 1 kafka kafka 9408 Dec 25 15:59 00000000483586374164.index
...
{noformat}
Here 00000000483571890786.log is just 3 bytes below the max size.
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