Can you please check what the input watermark of your operations is? There is a 
metric called "currentLowWatermark" for this.

Best,
Aljoscha

> On 3. Jan 2018, at 15:54, shashank agarwal <shashank...@gmail.com> wrote:
> 
> Actually, In Kafka there are other topics also (around 5-6 topics) I am 
> consuming particular topic 'x' which only contains events.  Other topics have 
> different data. 
> 
> I am using two consumers in my program for 2 different topics. in first topic 
> x i am extracting the timestamp from origintimestamp variable in other one i 
> am using system current millis.
> 
> 
> 
> 
> ‌
> 
> On Wed, Jan 3, 2018 at 8:06 PM, Aljoscha Krettek <aljos...@apache.org 
> <mailto:aljos...@apache.org>> wrote:
> Ok, but will there be events in all Kafka partitions/topics?
> 
> 
>> On 3. Jan 2018, at 15:33, shashank agarwal <shashank...@gmail.com 
>> <mailto:shashank...@gmail.com>> wrote:
>> 
>> Hi,
>> 
>> Yes, Events will always carry a variable OriginTimestamp which I am using in 
>> the extractor. I have used fallback also in case of data missing will put 
>> System current millis. 
>> 
>> Still, it's not printing results.
>> 
>> Best,
>> Shashank
>> 
>> 
>> 
>> 
>> 
>> ‌
>> 
>> On Wed, Jan 3, 2018 at 7:40 PM, Aljoscha Krettek <aljos...@apache.org 
>> <mailto:aljos...@apache.org>> wrote:
>> Hi,
>> 
>> Are all the partitions always carrying data that has advancing timestamps? 
>> When using Event-time the Kafka source (and Flink in general) needs to have 
>> steady progress in all partitions, otherwise the watermark does not advance, 
>> which in turn means that processing will be stalled downstream.
>> 
>> Best,
>> Aljoscha
>> 
>> 
>>> On 3. Jan 2018, at 14:29, shashank agarwal <shashank...@gmail.com 
>>> <mailto:shashank...@gmail.com>> wrote:
>>> 
>>> Hello,
>>> 
>>> I have some patterns in my program. For an example,
>>> 
>>>  A followedBy B.
>>> 
>>> As I am using kafka source and my event API's using load balancers so 
>>> sometimes B comes before A. So my CEP doesn't generate any result for those 
>>> events. 
>>> 
>>> I have then tried event time and applied 
>>> "BoundedOutOfOrdernessTimestampExtractor" on kafkasource with extract time 
>>> from an origin time variable which I have in the event. I am using 
>>> watermark lateness of 10 seconds in that.
>>> 
>>> Now CEP stopped generating results. It's not even generating results where 
>>> Event B comes after A. I have tried within (10 seconds) in CEP also still 
>>> not generating results. 
>>> 
>>> Am I doing anything wrong?
>>> 
>>> I have to cover the case where B can come after A from Kafka.
>>> 
>>> -- 
>>> Thanks Regards
>>> 
>>> SHASHANK AGARWAL
>>>  ---  Trying to mobilize the things....
>>> 
>>> 
>>> 
>>> 
>>> ‌
>> 
>> 
>> 
>> 
>> -- 
>> Thanks Regards
>> 
>> SHASHANK AGARWAL
>>  ---  Trying to mobilize the things....
> 
> 
> 
> 
> -- 
> Thanks Regards
> 
> SHASHANK AGARWAL
>  ---  Trying to mobilize the things....
> 

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