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Flume >> mail # user >> .SpoolingFileLineReader warning....


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Re: .SpoolingFileLineReader warning....
Yeah I think that makes sense, I have created a JIRA for this

https://issues.apache.org/jira/browse/FLUME-1733

Brock

On Tue, Nov 20, 2012 at 9:02 AM, Dan Young <[EMAIL PROTECTED]> wrote:
> Hey Brock,
>
> I can do some more testing on my side with smaller files as well as doing a
> mv vs a cp . I do believe that a slight delay would be helpful since people
> will be moving/copying large files around.
>
> Regards ,
>
> Dano
>
> On Nov 20, 2012 5:26 AM, "Brock Noland" <[EMAIL PROTECTED]> wrote:
>>
>> Thinking about this more, I think it's probably going to be quite
>> common for people to cp large files into the spooling directory.
>> Patrick, what do you think about waiting until the mtime is say 1
>> second old?
>>
>> Brock
>>
>> On Mon, Nov 19, 2012 at 5:29 PM, Brock Noland <[EMAIL PROTECTED]> wrote:
>> > My guess is that the file does not have the correct permissions while
>> > being copied.
>> >
>> > [noland@localhost cp-test]$ cp -p test-0 test-1 & sleep 0.1; ls -al
>> > test*
>> > [1] 18780
>> > -rw-rw-r-- 1 noland noland 1048576000 Nov 19 17:25 test-0
>> > -rw------- 1 noland noland   52334592 Nov 19 17:27 test-1
>> >
>> >
>> > For large files, it probably makes sense to copy the file in as .file
>> > and then rename it to file.
>> >
>> > Brock
>> >
>> > On Mon, Nov 19, 2012 at 5:04 PM, Patrick Wendell <[EMAIL PROTECTED]>
>> > wrote:
>> >> The spooling source gets a directory listing, then reads each file,
>> >> then
>> >> renames it to X.COMPLETED. Is it possible some other process deleted
>> >> that
>> >> file between when Flume listed the directory and when it tried to open
>> >> the
>> >> file? Otherwise, I'm confused why the file would not be present in the
>> >> listing you give here.
>> >>
>> >>
>> >> On Mon, Nov 19, 2012 at 6:03 PM, Patrick Wendell <[EMAIL PROTECTED]>
>> >> wrote:
>> >>>
>> >>> Hey Dan,
>> >>>
>> >>> You say that it seems like Flume has already processed the log... why
>> >>> do
>> >>> you think that?
>> >>>
>> >>> When you listed the directory contents I don't see the original or the
>> >>> COMPLETED version of the file that Flume is complaining about:
>> >>>
>> >>> /clickstream.log-2012-11-17-1353163623
>> >>>
>> >>> doesn't appear in the
>> >>>
>> >>> /mnt/flume/clickstream/
>> >>>
>> >>> directory listing anywhere.
>> >>>
>> >>>
>> >>> On Mon, Nov 19, 2012 at 2:33 PM, Dan Young <[EMAIL PROTECTED]>
>> >>> wrote:
>> >>>>
>> >>>> Hello Brock,
>> >>>>
>> >>>> It seems like we get this message each time that logrotate runs and
>> >>>> is in
>> >>>> the process of copying the file to the SpoolingDirectory. It seems
>> >>>> that
>> >>>> Flume starts reading the file as soon as it shows up in the
>> >>>> SpoolingDirectory.....  Maybe it's trying to read the file while it's
>> >>>> still
>> >>>> being written to????
>> >>>>
>> >>>> 2012-11-19 19:27:27,924 (pool-12-thread-1) [WARN -
>> >>>>
>> >>>> org.apache.flume.client.avro.SpoolingFileLineReader.getNextFile(SpoolingFileLineReader.java:328)]
>> >>>> Could not find file:
>> >>>> /mnt/flume/clickstream2/clickstream2.log-2012-11-19-1353353239
>> >>>> java.io.FileNotFoundException:
>> >>>> /mnt/flume/clickstream2/clickstream2.log-2012-11-19-1353353239
>> >>>> (Permission
>> >>>> denied)
>> >>>> at java.io.FileInputStream.open(Native Method)
>> >>>> at java.io.FileInputStream.<init>(FileInputStream.java:138)
>> >>>> at java.io.FileReader.<init>(FileReader.java:72)
>> >>>> at
>> >>>>
>> >>>> org.apache.flume.client.avro.SpoolingFileLineReader.getNextFile(SpoolingFileLineReader.java:322)
>> >>>> at
>> >>>>
>> >>>> org.apache.flume.client.avro.SpoolingFileLineReader.readLines(SpoolingFileLineReader.java:172)
>> >>>> at
>> >>>>
>> >>>> org.apache.flume.source.SpoolDirectorySource$SpoolDirectoryRunnable.run(SpoolDirectorySource.java:135)
>> >>>> at
>> >>>>
>> >>>> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
>> >>>> at
>> >>>>
>> >>>> java.util.concurrent.FutureTask$Sync.innerRunAndReset(FutureTask.java:351)
>> >>>> at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:178)

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