enhance: Use mvcc timestamp as guarantee ts if set (#38980)

When MvccTimestamp is set, it could be used as guarantee timestamp
directly instead of new ts allocated by scheduler reducing the waiting
time when delegator has tsafe lag

Signed-off-by: Congqi Xia <congqi.xia@zilliz.com>
pull/38299/merge
congqixia 2025-01-05 19:02:54 +08:00 committed by GitHub
parent 7f05d7a40f
commit 7128e36eb0
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@ -570,6 +570,7 @@ func (t *queryTask) queryShard(ctx context.Context, nodeID int64, qn types.Query
retrieveReq.GetBase().TargetID = nodeID
if needOverrideMvcc && mvccTs > 0 {
retrieveReq.MvccTimestamp = mvccTs
retrieveReq.GuaranteeTimestamp = mvccTs
}
req := &querypb.QueryRequest{