回复:回复:Transfer information from one window to the next

2017-02-20 Thread ()
Hi Sonex All windows under the same key (e.g., TimeWindow(0, 3600) and TimeWindow(3600, 7200)) will be processed by the flatmap function. You can put the variable drawn from TimeWindow(0, 3600) into a State. When you receive TimeWindow(3600, 7200), you can access the state and apply the

回复:Transfer information from one window to the next

2017-02-20 Thread ()
Hi sonex I think you can accomplish it by using a PassThroughFunction as the apply function and processing the elements in a rich flatMap function followed.  You can keep the information in the flatmap function (via states) so that they can be shared among different windows. The program may

回复:Checkpointing with RocksDB as statebackend

2017-02-19 Thread ()
Hi Vinay Can you provide the LOG file in RocksDB? It helps a lot to figure out the problems becuse it records the options and the events happened during the execution. Otherwise configured, it should locate at the path set in System.getProperty("java.io.tmpdir").  Typically, a large amount of