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Beam JIRA Bot commented on BEAM-1197: ------------------------------------- This issue is P2 but has been unassigned without any comment for 60 days so it has been labeled "stale-P2". If this issue is still affecting you, we care! Please comment and remove the label. Otherwise, in 14 days the issue will be moved to P3. Please see https://beam.apache.org/contribute/jira-priorities/ for a detailed explanation of what these priorities mean. > Slowly-changing external data as a side input > --------------------------------------------- > > Key: BEAM-1197 > URL: https://issues.apache.org/jira/browse/BEAM-1197 > Project: Beam > Issue Type: Wish > Components: beam-model > Reporter: Eugene Kirpichov > Priority: P2 > Labels: stale-P2 > > I've seen repeatedly the following pattern: a user wants to join a > PCollection against a slowly-changing external dataset: e.g. a file on GCS, > or a Bigtable, etc. > Side inputs come to mind, but current side input mechanisms don't allow for > something like periodically reloading the side input. > The best hacky solution I came up with for one use case is documented here: > http://stackoverflow.com/questions/41254028/can-dataflow-sideinput-be-updated-per-window-by-reading-a-gcs-bucket/41271159#41271159 > , we need to do better than this. -- This message was sent by Atlassian Jira (v8.3.4#803005)