lidavidm commented on a change in pull request #12636:
URL: https://github.com/apache/arrow/pull/12636#discussion_r827945469
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File path: format/Flight.proto
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@@ -280,9 +281,16 @@ message FlightEndpoint {
Ticket ticket = 1;
/*
- * A list of URIs where this ticket can be redeemed. If the list is
- * empty, the expectation is that the ticket can only be redeemed on the
- * current service where the ticket was generated.
+ * A list of URIs where this ticket can be redeemed.
+ *
+ * If the list is empty, the expectation is that the ticket can only
+ * be redeemed on the current service where the ticket was
+ * generated.
+ *
+ * If the list is not empty, the expectation is that the ticket can
+ * be redeemed at any of the locations, and that the data returned
+ * will be equivalent. In other words, multiple locations provide
+ * redundancy/load balancing.
Review comment:
Ah, this is ambiguous still, but I think the former was intended. For
instance from the [original Flight blog
post](https://arrow.apache.org/blog/2019/10/13/introducing-arrow-flight/):
> Nodes in a distributed cluster can take on different roles. For example, a
subset of nodes might be responsible for planning queries while other nodes
exclusively fulfill data stream (DoGet or DoPut) requests.
@jacques-n what do you think?
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