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[v23.1.x] r/group_manager: protect against race with set_ready() #16085

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Jan 12, 2024
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[v23.1.x] r/group_manager: protect against race with set_ready() #16085

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7 changes: 7 additions & 0 deletions src/v/raft/group_manager.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -112,6 +112,13 @@ ss::future<ss::lw_shared_ptr<raft::consensus>> group_manager::create_group(

return ss::with_gate(_gate, [this, raft] {
return _heartbeats.register_group(raft).then([this, raft] {
if (_is_ready) {
// Check _is_ready flag again to guard against the case when
// set_ready() was called after we created this consensus
// instance but before we insert it into the _groups
// collection.
raft->reset_node_priority();
}
_groups.push_back(raft);
return raft;
});
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