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From Yonghui Zhao <zhaoyong...@gmail.com>
Subject Re: kafka deleted old logs but not released
Date Wed, 07 Jan 2015 09:38:05 GMT
Yes  and I found the reason rename in deletion is failed.
In rename progress the files is deleted? and then exception blocks file
closed in kafka.
But I don't know how can rename failure happen,

[2015-01-07 00:10:48,685] ERROR Uncaught exception in scheduled task
'kafka-log-retention' (kafka.utils.KafkaScheduler)
kafka.common.KafkaStorageException: Failed to change the log file suffix
from  to .deleted for log segment 70781650
        at kafka.log.LogSegment.changeFileSuffixes(LogSegment.scala:249)
        at kafka.log.Log.kafka$log$Log$$asyncDeleteSegment(Log.scala:636)
        at kafka.log.Log.kafka$log$Log$$deleteSegment(Log.scala:627)
        at kafka.log.Log$$anonfun$deleteOldSegments$1.apply(Log.scala:415)
        at kafka.log.Log$$anonfun$deleteOldSegments$1.apply(Log.scala:415)
        at scala.collection.immutable.List.foreach(List.scala:318)
        at kafka.log.Log.deleteOldSegments(Log.scala:415)
        at
kafka.log.LogManager.kafka$log$LogManager$$cleanupExpiredSegments(LogManager.scala:325)
        at
kafka.log.LogManager$$anonfun$cleanupLogs$3.apply(LogManager.scala:356)
        at
kafka.log.LogManager$$anonfun$cleanupLogs$3.apply(LogManager.scala:354)
        at
scala.collection.TraversableLike$WithFilter$$anonfun$foreach$1.apply(TraversableLike.scala:772)
        at scala.collection.Iterator$class.foreach(Iterator.scala:727)
        at scala.collection.AbstractIterator.foreach(Iterator.scala:1157)
        at
scala.collection.IterableLike$class.foreach(IterableLike.scala:72)
        at scala.collection.AbstractIterable.foreach(Iterable.scala:54)
        at
scala.collection.TraversableLike$WithFilter.foreach(TraversableLike.scala:771)
        at kafka.log.LogManager.cleanupLogs(LogManager.scala:354)
        at
kafka.log.LogManager$$anonfun$startup$1.apply$mcV$sp(LogManager.scala:141)
        at kafka.utils.KafkaScheduler$$anon$1.run(KafkaScheduler.scala:100)
        at
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:439)
        at
java.util.concurrent.FutureTask$Sync.innerRunAndReset(FutureTask.java:317)
        at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:150)
        at
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$101(ScheduledThreadPoolExecutor.java:98)
        at
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.runPeriodic(ScheduledThreadPoolExecutor.java:180)
        at
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:204)
        at
java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
        at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
        at java.lang.Thread.run(Thread.java:662)


2015-01-07 13:56 GMT+08:00 Jun Rao <jun@confluent.io>:

> Do you mean that the Kafka broker still holds a file handler on a deleted
> file? Do you see those files being deleted in the Kafka log4j log?
>
> Thanks,
>
> Jun
>
> On Tue, Jan 6, 2015 at 4:46 AM, Yonghui Zhao <zhaoyonghui@gmail.com>
> wrote:
>
> > Hi,
> >
> > We use kafka_2.10-0.8.1.1 in our server. Today we found disk space alert.
> >
> > We find many kafka data files are deleted, but still opened by kafka.
> >
> > such as:
> >
> > _yellowpageV2-0/00000000000068170670.log (deleted)
> > java       8446         root  724u      REG              253,2 536937911
> > 26087362
> >
> >
> /home/work/data/soft/kafka-0.8/data/_oakbay_v2_search_topic_ypgsearch_yellowpageV2-0/00000000000068818668.log
> > (deleted)
> > java       8446         root  725u      REG              253,2 536910838
> > 26087364
> >
> >
> /home/work/data/soft/kafka-0.8/data/_oakbay_v2_search_topic_ypgsearch_yellowpageV2-0/00000000000069457098.log
> > (deleted)
> > java       8446         root  726u      REG              253,2 536917902
> > 26087368
> >
> >
> /home/work/data/soft/kafka-0.8/data/_oakbay_v2_search_topic_ypgsearch_yellowpageV2-0/00000000000070104914.log
> > (deleted)
> >
> >
> > Is there anything wrong or wrong configed?
> >
>

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