See this Flink mailing list thread. For more background on watermarks, triggers, and windows in relation to unbounded stream processing, see this excellent series: part 1 and part 2. This is a simple ...

Watermarking is typically used to perform data synchronization, for example, when polling a legacy resource to retrieve new data and to sync it with another destination endpoint. The watermarking ...

Watermark is an important component if you want to customise a document on Microsoft Word; it can be used to mark documents with a text or logo, which will appear in the background of the text, images ...