Thanks for the changes and suggestions - for my case just setting the timeout
to 5 or 10 seconds should suffice, but at least I got some insight about
async options and the reason file component does work sequentially.


Claus Ibsen-2 wrote:
> 
> BTW if you want to speed up the file routing you can use the async
> concurrency. A bit on this blog
> http://davsclaus.blogspot.com/2009/05/on-road-to-camel-20-concurrency-with.html
> 
> Note the DSL was renamed from async to threads
> 
> And then use a single file consumer to avoid race conditions for
> grabbing new files.
> 
> 
> On Mon, Oct 12, 2009 at 12:56 PM, Claus Ibsen <claus.ib...@gmail.com>
> wrote:
>> On Mon, Oct 12, 2009 at 12:27 PM, Vladimir Okhotnikov
>> <vokhotni...@gmail.com> wrote:
>>>
>>> Sorry for the poor English - I know about the timeout option now - I saw
>>> it
>>> immediately AFTER I found the reason. I obviously saw the option before,
>>> among others, but did not pay enough attention to realize I should not
>>> use
>>> the default.
>>>
>>
>> You english is good. Just as poor/good as mine :)
>>
>> You have a good point about the default timeout not being good. I have
>> just changed it to 10 seconds and also Camel will now log at WARN
>> level if the lock could not be acquired within that period. Before it
>> was just DEBUG level.
>>
>>> And I did have the camel DEBUG level enabled - was the first thing I
>>> have
>>> done to debug the problem - and it did not help me at all - there were
>>> no
>>> relevant messages at all - and the DEBUG logging did work - I get a log
>>> of
>>> all routes on camel start etc.
>>>
>>
>> You can enable DEBUG for only the file component
>> org.apache.camel.component.file=DEBUG
>>
>>
>>> Claus, I'm not trying to blame or rant or something. I still think the
>>> framework is awesome. I apologize if I somehow made you think I'm
>>> feeling
>>> different. I just truly believe that infinite waits by default should be
>>> ruthlessly  eliminated, and doing this will benefit the Camel and its
>>> users
>>> a great deal.
>>>
>>
>> None taken. I may have well started this, sorry as well. Its just that
>> there is alot of free based support which does take much time.
>> But also gives great feedback on the Camel. All together helps improve
>> the community, which is ultimate the best for us and Apache.
>>
>> In you case you can set the timeout to a low value such as 1, 100,
>> 500, 1000 or 2000 etc to let Camel quickly try the next file so you
>> get it to process files quicker.
>>
>>
>>
>>>
>>> Claus Ibsen-2 wrote:
>>>>
>>>> On Mon, Oct 12, 2009 at 10:15 AM, Vladimir Okhotnikov
>>>> <vokhotni...@gmail.com> wrote:
>>>>>
>>>>> Yes, I known about the readLockTimeout option. The problem with this
>>>>> option
>>>>> is that by a) default it waits forever and b) while it waits for one
>>>>> file
>>>>> it
>>>>> does not process others. That's what made me spend 2 days wondering
>>>>> about
>>>>> the behavior described in the thread almost without clues, and it will
>>>>> made
>>>>> others.
>>>>
>>>> You did not mention that you knew this option and why have you not
>>>> tried using it?
>>>>
>>>> Camel does TRACE / DEBUG logging which you could have enabled.
>>>>
>>>> Which is also written on the file component wiki page
>>>> http://camel.apache.org/file2.html
>>>>
>>>> Debug logging
>>>> This component has log level TRACE that can be helpful if you have
>>>> problems.
>>>>
>>>> So if you have done that you would NOT have been in the dark for 2
>>>> days.
>>>>
>>>>
>>>>
>>>> The file consumer is NOT concurrent. So yes it will wait.
>>>>
>>>> If you want concurrency then define multiple routes with a file
>>>> consumer. Which btw is not fun as file system is not transactional and
>>>> having multiple consumers racing for the same files is not fun.
>>>>
>>>>
>>>> Good idea about the default timeout which I have created a ticket for
>>>> https://issues.apache.org/activemq/browse/CAMEL-2062
>>>>
>>>>
>>>>
>>>>>
>>>>> As is pretty well explained in the "Release It" book, infinite waits
>>>>> are
>>>>> bad. Infinite waits by default are very bad, especially in integration
>>>>> software - it virtually guarantees that at least one will slip into
>>>>> your
>>>>> live system, then it's just a matter of time until it blocks critical
>>>>> function or critical amount of resources - and you're waken in the
>>>>> middle
>>>>> of
>>>>> the night to deal with it.
>>>>>
>>>>> What do you think?
>>>>>
>>>>>
>>>>>
>>>>> Claus Ibsen-2 wrote:
>>>>>>
>>>>>>
>>>>>> You can already do this by the readLockTimeout option. See more
>>>>>> details
>>>>>> here:
>>>>>> http://camel.apache.org/file2.html
>>>>>>
>>>>>> For example you can set it to 10000 as 10 seconds and if Camel cannot
>>>>>> acquire the lock within that period it will skip this file and try
>>>>>> the
>>>>>> next one.
>>>>>>
>>>>>> --
>>>>>> Claus Ibsen
>>>>>> Apache Camel Committer
>>>>>>
>>>>>> Open Source Integration: http://fusesource.com
>>>>>> Blog: http://davsclaus.blogspot.com/
>>>>>> Twitter: http://twitter.com/davsclaus
>>>>>>
>>>>>>
>>>>>
>>>>> --
>>>>> View this message in context:
>>>>> http://www.nabble.com/File-component-blocked-by-existing-files-tp25803233p25851978.html
>>>>> Sent from the Camel - Users mailing list archive at Nabble.com.
>>>>>
>>>>>
>>>>
>>>>
>>>>
>>>> --
>>>> Claus Ibsen
>>>> Apache Camel Committer
>>>>
>>>> Open Source Integration: http://fusesource.com
>>>> Blog: http://davsclaus.blogspot.com/
>>>> Twitter: http://twitter.com/davsclaus
>>>>
>>>>
>>>
>>> --
>>> View this message in context:
>>> http://www.nabble.com/File-component-blocked-by-existing-files-tp25803233p25853488.html
>>> Sent from the Camel - Users mailing list archive at Nabble.com.
>>>
>>>
>>
>>
>>
>> --
>> Claus Ibsen
>> Apache Camel Committer
>>
>> Open Source Integration: http://fusesource.com
>> Blog: http://davsclaus.blogspot.com/
>> Twitter: http://twitter.com/davsclaus
>>
> 
> 
> 
> -- 
> Claus Ibsen
> Apache Camel Committer
> 
> Open Source Integration: http://fusesource.com
> Blog: http://davsclaus.blogspot.com/
> Twitter: http://twitter.com/davsclaus
> 
> 

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