vagetablechicken opened a new issue #3243: PTabletWriterOpenRequest should be independently configured URL: https://github.com/apache/incubator-doris/issues/3243 We use `config::tablet_writer_rpc_timeout_sec` to set the rpc timeout in OlapTableSink. But sink node contains two rpc request types, `PTabletWriterOpenRequest` and `PTabletWriterAddBatchRequest`. For example: 1. the default rpc is 10min. And the whole plan_fragment_executor timeout is 10min. 1. When I do sink->open(), if one be can't response to me, I will be blocked in NodeChannel::open_wait() for 10min. 1. I want to execute the plan(the loop of get_next() & sink->send()). But the plan fragment has timed out(10min). It's only one channel open failed, won't break the plan execution. And we can finish the plan before the plan_fragment_executor timeout(10min). But we waste time in waiting`PTabletWriterOpenResult`. So I think it's better to separate TabletWriterOpen timeout from TabletWriterAddBatch timeout.
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