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Flume >> mail # user >> Is it possible to check if there are events in a channel?

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Re: Is it possible to check if there are events in a channel?

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On 27 August 2013 06:22, Andrei <[EMAIL PROTECTED]> wrote:

> Hi Juhani,
> thanks for your answer. Can you please tell me how can I use JMX to get
> fill percentage? I have very poor knowledge of JMX, but as far as I
> understand it helps to monitor specific resources used by JVM. So what
> resource should I monitor to to get fill percentage?
> On Tue, Aug 27, 2013 at 11:24 AM, Juhani Connolly <
>> You can get the channel capacity and fill percentage using jmx. You'd
>> need to regularly poll the fill percentage.
>> On 08/26/2013 08:41 PM, Andrei wrote:
>>> Are there any tools to monitor state of a Flume channel and,
>>> specifically, determine the moment when there are no more events?
>>> To give you some context: I have a batch of events that I want to pass
>>> through Flume and eventually get to HDFS via corresponding sink. When all
>>> events of the batch are dumped, I want to perform post-processing routine
>>> on the entire batch. My assumption is that if channel is empty for a while,
>>> all events of the batch are dumped and I can start the routing. But how can
>>> I determine if channel is empty?