release/v20.03: fix(ServeTask): Return error if server is not ready (#6019) #6021
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The grpcWorker.ServeTask function is called when a request is received over the network (sent by a peer). This function doesn't consider the health of the node before starting the processing of the request. If we process a request before the node is ready, we might end up seeing crashes similar to https://dgraph.atlassian.net/browse/DGRAPH-1934 Fixes DGRAPH-1934 This bug was seen when running jepsen bank test with kill-alpha and kill-zero nemesis. (cherry picked from commit 9293c97)
parasssh
approved these changes
Jul 16, 2020
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The grpcWorker.ServeTask function is called when a request is received
over the network (sent by a peer). This function doesn't consider the
health of the node before starting the processing of the request. If we
process a request before the node is ready, we might end up seeing
crashes similar to https://dgraph.atlassian.net/browse/DGRAPH-1934
Fixes DGRAPH-1934
This bug was seen when running jepsen bank test with
kill-alpha and kill-zero nemesis.
(cherry picked from commit 9293c97)
This change is
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