Hi Beam community,

I am wondering if there is a risk of losing late data from a Beam stream app 
due to watermarking?

I just went through this design doc and noticed the “droppable” definition 
there: 
https://docs.google.com/document/d/12r7frmxNickxB5tbpuEh_n35_IJeVZn1peOrBrhhP6Y/edit#

Can you please confirm if it’s possible for us to lose some data in a stream 
app in practice? If that’s possible, what would be the best practice to avoid 
data loss? Thanks!

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