You are viewing a plain text version of this content. The canonical link for it is here.
Posted to issues@flume.apache.org by "Xinyuan Liu (Jira)" <ji...@apache.org> on 2021/06/08 07:09:00 UTC

[jira] [Created] (FLUME-3392) kafka channel flume hdfs file close failed cause retry and data losse

Xinyuan Liu created FLUME-3392:
----------------------------------

             Summary: kafka channel flume hdfs file close failed cause retry and data losse
                 Key: FLUME-3392
                 URL: https://issues.apache.org/jira/browse/FLUME-3392
             Project: Flume
          Issue Type: Bug
    Affects Versions: 1.9.0
         Environment: flume 1.9.0

kafka channel

hdfs sink
            Reporter: Xinyuan Liu


 

Due to the failure of hdfs BucketWriter close file and unlimited retries, the pressure of nenode is too high, and data may be lost due to subsequent successful consumption and offset submission.
{code:java}
2021-05-30 02:33:45,045 (hdfs-s1-roll-timer-0) [WARN - org.apache.flume.sink.hdfs.BucketWriter$CloseHandler.close(BucketWriter.java:348)] Closing file: hdfs://10.1.53.19:9020/warehouse/ods_flume_json_yunc_transcation/ods_flume_json_thirdparty_db__t_note_phone/datelabel=20210530/__t_note_phonet_note_phone.1622312610822.json.tmp failed. Will retry again in 180 seconds.2021-05-30 02:33:45,045 (hdfs-s1-roll-timer-0) [WARN - org.apache.flume.sink.hdfs.BucketWriter$CloseHandler.close(BucketWriter.java:348)] Closing file: hdfs://10.1.53.19:9020/warehouse/ods_flume_json_yunc_transcation/ods_flume_json_thirdparty_db__t_note_phone/datelabel=20210530/__t_note_phonet_note_phone.1622312610822.json.tmp failed. Will retry again in 180 seconds.java.io.IOException: Unable to close file because the last block BP-1006090754-10.1.53.214-1490513887497:blk_6365012859_5293069088 does not have enough number of replicas. at org.apache.hadoop.hdfs.DFSOutputStream.completeFile(DFSOutputStream.java:2865) at org.apache.hadoop.hdfs.DFSOutputStream.completeFile(DFSOutputStream.java:2810) at org.apache.hadoop.hdfs.DFSOutputStream.closeImpl(DFSOutputStream.java:2794) at org.apache.hadoop.hdfs.DFSOutputStream.close(DFSOutputStream.java:2737) at org.apache.hadoop.fs.FSDataOutputStream$PositionCache.close(FSDataOutputStream.java:72) at org.apache.hadoop.fs.FSDataOutputStream.close(FSDataOutputStream.java:106) at org.apache.flume.sink.hdfs.HDFSDataStream.close(HDFSDataStream.java:135) at org.apache.flume.sink.hdfs.BucketWriter$3.call(BucketWriter.java:319) at org.apache.flume.sink.hdfs.BucketWriter$3.call(BucketWriter.java:316) at org.apache.flume.sink.hdfs.BucketWriter$8$1.run(BucketWriter.java:727) at org.apache.flume.auth.SimpleAuthenticator.execute(SimpleAuthenticator.java:50) at org.apache.flume.sink.hdfs.BucketWriter$8.call(BucketWriter.java:724) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748)2021-05-30 02:33:45,062 (hdfs-s1-call-runner-12) [INFO - org.apache.flume.sink.hdfs.BucketWriter$7.call(BucketWriter.java:681)] Renaming hdfs://10.1.53.19:9020/warehouse/ods_flume_json_yunc_transcation/ods_flume_json_thirdparty_db__t_note_phone/datelabel=20210530/__t_note_phonet_note_phone.1622312610822.json.tmp to hdfs://10.1.53.19:9020/warehouse/ods_flume_json_yunc_transcation/ods_flume_json_thirdparty_db__t_note_phone/datelabel=20210530/t_note_phone.1622312610822.json2021-05-30 02:34:04,157 (SinkRunner-PollingRunner-DefaultSinkProcessor) [INFO - org.apache.flume.sink.hdfs.HDFSDataStream.configure(HDFSDataStream.java:57)] Serializer = TEXT, UseRawLocalFileSystem = false2021-05-30 02:34:04,181 (SinkRunner-PollingRunner-DefaultSinkProcessor) [INFO - org.apache.flume.sink.hdfs.BucketWriter.open(BucketWriter.java:246)] Creating hdfs://10.1.53.19:9020/warehouse/ods_flume_json_yunc_transcation/ods_flume_json_thirdparty_db__t_note_phone/datelabel=20210530/__t_note_phonet_note_phone.1622313244158.json.tmp2021-05-30 02:36:45,047 (hdfs-s1-call-runner-2) [ERROR - org.apache.flume.sink.hdfs.AbstractHDFSWriter.hflushOrSync(AbstractHDFSWriter.java:269)] Error while trying to hflushOrSync!2021-05-30 02:36:45,048 (hdfs-s1-roll-timer-0) [WARN - org.apache.flume.sink.hdfs.BucketWriter$CloseHandler.close(BucketWriter.java:348)] Closing file: hdfs://10.1.53.19:9020/warehouse/ods_flume_json_yunc_transcation/ods_flume_json_thirdparty_db__t_note_phone/datelabel=20210530/__t_note_phonet_note_phone.1622312610822.json.tmp failed. Will retry again in 180 seconds.java.nio.channels.ClosedChannelException at org.apache.hadoop.hdfs.DFSOutputStream.checkClosed(DFSOutputStream.java:2039) at org.apache.hadoop.hdfs.DFSOutputStream.flushOrSync(DFSOutputStream.java:2461) at org.apache.hadoop.hdfs.DFSOutputStream.hflush(DFSOutputStream.java:2395) at org.apache.hadoop.fs.FSDataOutputStream.hflush(FSDataOutputStream.java:138) at sun.reflect.GeneratedMethodAccessor21.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.apache.flume.sink.hdfs.AbstractHDFSWriter.hflushOrSync(AbstractHDFSWriter.java:266) at org.apache.flume.sink.hdfs.HDFSDataStream.close(HDFSDataStream.java:134) at org.apache.flume.sink.hdfs.BucketWriter$3.call(BucketWriter.java:319) at org.apache.flume.sink.hdfs.BucketWriter$3.call(BucketWriter.java:316) at org.apache.flume.sink.hdfs.BucketWriter$8$1.run(BucketWriter.java:727) at org.apache.flume.auth.SimpleAuthenticator.execute(SimpleAuthenticator.java:50) at org.apache.flume.sink.hdfs.BucketWriter$8.call(BucketWriter.java:724) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
{code}



--
This message was sent by Atlassian Jira
(v8.3.4#803005)

---------------------------------------------------------------------
To unsubscribe, e-mail: issues-unsubscribe@flume.apache.org
For additional commands, e-mail: issues-help@flume.apache.org